Air insufflation and / or extraction insert for drying an insulation-waterproofing system after damage

Abstract

An air supply and / or air extraction insert (10) for drying an insulation-waterproofing system consists of a plate (15) and a tubular sleeve (11) with an air passage duct (13) extending from one of the upper faces of the plate. The plate is positioned flat on the waterproofing membrane (102) of the system to be dried, with the duct (13) aligned with a core hole that exposes the insulation material of the system. A minimum distance is provided between the sleeve (11) and the edges of the plate (15) to accommodate a waterproofing membrane (30) that overlaps and straddles both the plate and the waterproofing membrane (102) of the system. An air connection fitting (12a) of sleeve (11) to connect an air duct during the drying process, and the airtight closure of the duct (30) by an associated cap, in order to allow the air insert to be left in place at the end of the process.

Description

Domaine technique

[0001] The invention relates to the field of drying (or dehumidification) of an insulation-sealing complex after a disaster such as water damage or a flood.

[0002] It relates more particularly to an air supply and / or extraction insert, as well as a drying system for an insulation-sealing complex and also a drying process for an insulation-sealing complex using said insert.

[0003] The invention finds applications, particularly in the building industry, and more specifically in the field of thermal and / or acoustic insulation and waterproofing of building structures. These can include individual or multi-family residential buildings, industrial, agricultural, or commercial buildings, and more generally, all other constructed buildings. Flat roofs with an insulation and waterproofing system that could be damaged by water penetration into the system at the level of a roof slab are particularly relevant. However, the invention is more generally applicable to other horizontal structures such as floor slabs between different levels (staircases) within a building, or to vertical structures such as double walls or insulated partitions. État de la technique antérieure

[0004] In buildings with a flat roof, for example, the roof slab ( i . e ., the upper slab of the highest level) can be covered with one or more layers of thermal insulation material (called "insulation" for short) covered with one (or more) layer(s) of waterproofing material intended to protect the insulation and prevent water infiltration, particularly from rain, into the underlying slab and ultimately into the entire building.

[0005] A water penetration incident is, for example, water damage resulting from damage to or wear of a waterproofing membrane, causing the membrane to lose all or part of its effectiveness against rainwater, or from total or partial flooding of the structure due to natural weather events or the rupture of a water pipe (whether a domestic water supply pipe or a wastewater or rainwater drainage pipe), or any other similar cause. The presence of a high concentration of moisture within the insulation can lead to mold growth, corrosion of structural elements, rot, and a degradation of the insulation's thermal performance.

[0006] In the type of applications considered, drying by blowing in dry air and extracting humid air is carried out to reduce and, if possible, eliminate moisture from a confined space such as a plenum filled with thermal and / or acoustic insulation material, or the volume of an insulation-sealing system. A drying procedure can be implemented, in particular, to restore the performance of thermal and / or acoustic insulation in order to avoid the need for its replacement. The procedure consists of introducing dry, warm air into the space to be dried in certain areas via air supply, while simultaneously extracting the saturated air from other areas of the space via air extraction, until a residual humidity level in the extracted air meets a predetermined target.

[0007] Currently, the methodology used involves installing a dry air unit (dehumidifier or desiccant) coupled with a blower. Cores are then drilled into the waterproofing membrane, and "blowing inserts" (available, for example, from the German company DÖLCO) are installed for the duration of the drying process. The units are then connected to the blower inserts via flexible ducts. Dry, warm air is then forced under pressure into the insulation and waterproofing system. This air absorbs moisture in the confined space through which it circulates. The humid air, that is, the moisture-laden air removed from the insulation, is then expelled through natural openings or previously installed ventilation vents. The duration of the drying procedure is determined by the operator's judgment and is generally around three weeks.Once the procedure is complete, the blow nozzles are removed and the core holes must be plugged.

[0008] It is desirable that the supply and extraction of air be controlled on the basis of information provided, in particular, by temperature sensors, humidity sensors and / or pressure sensors of the air being supplied and / or the air being extracted, and if possible also according to the temperature and humidity of the ambient air.

[0009] Indeed, measuring and comparing various parameters of the supply air, the exhaust air, and potentially the ambient air allows for objective validation of the completion of the drying process. For example, the process can be considered validly completed once the humidity levels within the insulation and waterproofing system return to expected levels, as specified by applicable standards or regulations. The ability to provide such objectively verified validation of the drying process's completion makes it easier to demonstrate the value of the drying service to building owners, technical building experts, and insurers. This can prevent the need to replace the entire insulation and waterproofing system.

[0010] Despite its high cost and significant environmental impact, a complete overhaul of the insulation-waterproofing system is generally the rule, in order to ensure a perfect restoration of the original performance for the insulation of the structure (whether thermal and / or acoustic), and in order to protect the insurer from the risk of a new warranty claim from the owner for the consequences of the same incident.

[0011] Recently, the complete replacement of the insulation and waterproofing system has become even more complicated and expensive due to the trend towards the widespread installation of equipment on flat roofs, such as photovoltaic panels and / or green roofs. Indeed, the project to replace the insulation and waterproofing system must begin with the dismantling of the installed equipment and fixtures, which must be stored during the drying process and then reinstalled after the process is complete.

[0012] Document US20160244962 A1 discloses various technical considerations for drying parts of a building (room, floor, wall, and / or roof) by supplying / extracting air into an insulation plenum. Specifically, the document discloses the use of hot and / or dry air injection inserts and humid air extraction inserts installed through a vapor barrier to dehumidify the plenum. It also discloses a control system for supplying / extracting air based on information provided by sensors (temperature, humidity, and / or pressure) of the supply air, the extracted air, and / or the ambient air. It is further taught that the integrity of the isolation plenum can be preserved by favoring the extraction of humid air by creating a vacuum in an extraction tube, rather than an overpressure in the plenum into which hot and / or dry air is injected.The disclosed air-purifying inserts each include a threaded end that is screwed either in with a nut and washer that clamps from below a plenum covering layer, or directly into the sealing assembly. The document further explains that, after the drying process, the injection and extraction inserts can be used to seal the holes made in the sealing liner into which the inserts were placed. It is indicated that the seal can be restored using a liquid filler material that begins to solidify as it passes through the insert, instead of flowing directly and spreading inefficiently throughout the plenum before solidifying.

[0013] One drawback of the air supply or exhaust inserts described in this document is their inherent poor sealing at the interface with the insulation and waterproofing system. This can lead to further water ingress into the plenum throughout the drying process, particularly during inclement weather. Furthermore, the aforementioned procedure, which involves using a liquid-based sealant to solidify the inserts and / or plug holes in the insulation and waterproofing system's cladding after the drying process, is difficult to implement and unreliable.

[0014] Other similar air-handling inserts are disclosed in documents DE4344851 A1 and EP3953535 A1, and also present the same drawbacks regarding the watertightness of the system being treated, at their point of installation. Document US2969027 A1 discloses a drying technique using air injection or suction to cause movement of water droplets within the waterproofing system, but not simultaneously; the drying is achieved by draining / flowing the mobilized water into a downpipe. Finally, document DE202013009777 U1 discloses the possibility of using a pre-installed penetration device through a waterproofing membrane originally intended for cable passage, in order to blow hot air into insulation located beneath a roof waterproofing membrane, with the aim of drying it. Exposé de l'invention

[0015] The invention aims to remedy at least partially the aforementioned drawbacks of the prior art.

[0016] To this end, the object of the invention is an air supply and / or extraction insert for supplying or extracting air into an insulation-waterproofing system of a building comprising at least one layer of insulation material covered by an external waterproofing membrane, as part of a drying procedure for said system, the insert being made up solely of: a substantially flat plate comprising at least one through air passage orifice formed through the plate, for example substantially at the center of said plate; and a tubular sleeve with an air passage duct extending from a first determined face (for example the upper face) of the plate, around and in line with the air passage orifice substantially perpendicular to the plane of the plate and away from said first face of said plate, in which: The plate has a minimum distance between an outer wall of the tubular sleeve at the first face of the plate, on the one hand, and the peripheral edges of the plate, on the other hand (i.e., between the outer wall of the sleeve at the intersection with the upper face of the plate and the points closest to the perimeter / periphery of the plate), so that the first face of the plate is adapted to receive a sealing coating bonded partly to the plate and partly to the sealing coating of the assembly, straddling and overlapping the boundary between said plate and said sealing coating at said peripheral edges of the plate, when the plate is positioned by its second face, flat on the sealing coating of the assembly to be dried,with the air passage opening aligned with a core hole drilled in said cladding to expose the insulating material layer of said assembly, said minimum distance being, for example, defined by applicable technical specifications; the tubular sleeve is terminated, at its free end opposite the air passage opening formed in the plate, by an air connection fitting adapted for connecting an air circulation duct to the air insert during the drying process; and, the tubular sleeve includes an associated removable closure cap, which is adapted to hermetically seal the sleeve to allow the air insert to be left in place at the end of the drying process.

[0017] Thus, the embodiments of the invention rely on improved sealing of the air inserts, which can be used for supplying dry air and extracting humid air. Indeed, their design allows the plate to be partially covered, at its peripheral edges, by a conventional sealing coating which is applied after the operational installation of the insert but before starting the drying procedure, under the responsibility and with the guarantee of a professional in the field of sealing ( i.e., (a roofer), in compliance with applicable technical specifications. Such specifications are determined, for example, in France, by the applicable Unified Technical Document (DTU), namely DTU 43.1 in its version in force on the date of filing of this patent application. This document is established by the General Commission for Building Standardization / DTU, and is available from the Scientific and Technical Center for Building (CSTB), which provides the secretariat for the Commission. The professional will understand that the application of such a DTU, regardless of its status and nature, results from an agreement between the project owner and the contractor in charge of a works contract relating to the building in question.In the context of implementing the invention, the aforementioned DTU (Unified Technical Document), or any other DTU, is therefore binding only on the signatories of the relevant drying contract who have incorporated it, where applicable, as part of the contract, thus giving it the character of a contractual obligation. Nothing in this document implies a legal or regulatory obligation to use tools, equipment, or accessories meeting specific technical requirements of this nature.

[0018] One advantage is that, after the drying process is complete, the air duct inserts can be sealed off and left in place (or "abandoned") for possible future reuse. This sealing does not require a further visit from a sealant technician, as it simply involves installing a removable, airtight sealing plug on the connection fitting at the free end of the air duct's tubular sleeve. This airtight sealing plug is integrated with the tubular sleeve's connection fitting. In other words, it is functionally part of the air duct insert, even though it is removable and is, of course, detached from the connection fitting during the drying process to allow for the connection of an air line to said fitting.

[0019] In embodiments: The air connection fitting can be a cam connection connector, for example of the Cam-Lock™ type, namely: either a male connector such as a Cam-Lock™ plug of type A, E or F, or a female connector such as a Cam-Lock™ socket of type B, C or D, and the associated removable cap is then: a cap, for example a Cam-lock™ cap of type DC, or a plug, for example a Cam-lock™ plug of type DP, respectively.

[0020] Cam-Lock™ (or Cam-Lock™) type fittings (or couplers) are advantageously often made of stainless steel and are widely used in all types of industries, making them inexpensive. They are simple to connect and disconnect without the need for tools. They utilize quick-connect male and female connectors of the grooved and cam type. A male connector includes a Cam-Lock™ type E (for push-fit pipe connection), F (screw-on, with male thread), A (screw-on, with female thread), or F-AS (weld-on) connection with an annular groove. A female connector includes a Cam-Lock™ type cam-on or locking lever connection, of type C (for push-fit pipe connection), B or B-AS (weld-on), or D (screw-on). The use of a gasket between the two male and female connectors ensures a watertight connection.The seal can be made of Polytetrafluoroethylene (PTFE, known as Teflon™), for example. The airtight sealing cap placed on the connecting end of the air passage tube sleeve at the end of the drying process, and which is adapted to seal the connecting end to the free end of the sleeve, can then be, for example, a Cam-Lock™ DC (female) type cap or, for example, a Cam-Lock™ DP (male) type cap, depending on whether said connecting end is a Cam-Lock™ plug (male connector) or a Cam-Lock™ socket (female connector), respectively.

[0021] In some embodiments, the tubular sleeve includes a removable, associated filling core made of insulating material, which is shaped and sized to fill the air passage within the tubular sleeve. Preferably, the filling core is made of a dense material, such as extruded polystyrene (or XPS), which is easy to handle. The core can be inserted into the sleeve from the top after the drying process has been completed and the air duct that was connected to the sleeve via its fitting has been disconnected, and before the sleeve is closed with the airtight sealing cap. This also eliminates the risk of thermal bridging at the surface of the insulation-sealing assembly.Like the aforementioned closing cap, the carrot is functionally an integral part of the air insert, even though it is removable and is of course removed from the sleeve during the drying procedure in order to allow the circulation of the air blown or extracted through said insert.

[0022] In some embodiments, the air connection fitting and the associated airtight sealing cap of the tubular sleeve may include means for receiving together a single-use tamper-evident seal affixed to indicate any unauthorized removal of said cap after the drying process. Such a seal may be a retractable cable, made of plastic resin for example, of variable length, fixed length, or of the padlock type. A metallic seal may be made of stainless steel wire or galvanized wire. These wires may be passed through the locking mechanism of the Cam-Lock™ fitting, for example, through loops provided at the ends of the levers, in such a way that the levers cannot be lifted to unlock the fitting without breaking the seal.Alternatively, it could be a bolt seal, more expensive but offering a higher level of protection, which consists of two metal parts designed to interlock via a locking mechanism. An even more expensive option is an electronic seal, generally reusable, which generates a time, date, and unique number each time the seal is closed and opened, allowing for the recording and logging of all events.

[0023] Certain preferred but not exhaustive aspects of this process are subject to dependent claims.

[0024] According to a second aspect of the invention, a drying system for an insulation-sealing complex of a building structure is also proposed, comprising one or more aerodynamic inserts according to the first aspect above to ensure the blowing of air into the complex and / or the extraction of air from said complex.

[0025] In some embodiments, the drying system may further include one or more connection accessories, said connection accessories being suitable for connection between themselves, and / or to the air inserts, and / or to a dry air supply subsystem and / or to a humid air extraction subsystem of the system, where appropriate via one or more manifolds of the system, of dry air supply ducts and / or of humid air extraction ducts of the system;each connection accessory comprising a portion of straight tube forming a straight fitting or several non-collinear portions of straight tube forming an angled, T-shaped or U-shaped fitting, for example, at least some portions of which are equipped with one or more sockets for the installation of at least one hygrometric sensor of the system, such as a temperature and / or humidity sensor, for example, or for the installation of at least one pressure gauge or vacuum gauge of the system for measuring parameters of the air circulating in the fitting, including temperature, humidity, pressure and / or vacuum; at least one connection accessory being terminated at at least one of the free ends of one of the portions of straight tube, by a connection element complementary to the connection element of the tubular sleeve of the air insert.

[0026] Sensors within the system are used for monitoring and controlling the system, which can be done automatically or under the supervision of an operator remotely or on-site. Recording the measurements taken during the drying procedure, and presenting them, for example, in an intervention report generated at the end of the process, allows for demonstration to any interested third party that the drying operation was effective and that the expected result was achieved.

[0027] According to yet a third aspect, a method of implementing the aerodynamic insert according to the first aspect of the invention is proposed, for example within a drying system of an insulation-sealing complex according to the second aspect above.

[0028] The process is primarily applicable to roof insulation and waterproofing systems, particularly flat roofs, but it can also be used for insulated concrete slabs inside buildings, such as floor slabs. In all these applications, the insulation and waterproofing system to be treated is essentially horizontal. However, the process can also be used to dry out systems extending significantly vertically, such as certain wall linings or drywall partitions. More generally, the process is applicable for drying parts of a building structure (room, floor, wall, and / or roof) and all other types of confined spaces that have suffered water infiltration or flooding. Brève description des dessins

[0029] Other aspects, objectives, advantages, and features of the invention will become clearer upon reading the following detailed description of preferred embodiments thereof, given by way of non-limiting example, and made with reference to the accompanying drawings in which: there FIG.1 is a simplified diagram of a drying or dehumidification system for an insulation-waterproofing assembly on a flat roof, in which embodiments of the air vent can be implemented; the FIG.2 is an isometric perspective view of an air duct insert conforming to embodiments; the FIG.3 is a view of the air duct insert of the FIG.2 after operational installation on an insulation-sealing system like the one shown in the FIG.1 ; the figures of the FIG.4A à FIG.4C are a bottom view, a partial cross-sectional front view, and a top view, respectively, of the air duct insert of the FIG.2 . there FIG.5 is a schematic representation, in front view, of a first accessory of the system of the FIG.1 which can be used in combination with the air-handling insert of the FIG.2 ; there FIG.6 is a schematic, front-view representation of another accessory of the system of the FIG.1 which can be used in combination with the air-handling insert of the FIG.2 ; there FIG.7 is a schematic, front-view representation of a cam-locking coupler (Cam-Lock™ coupler) that can be used for connecting the air insert of the FIG.2 and accessories of the FIG.5 and of the FIG.6 , in a system as shown in the FIG.1 ; there FIG.8 is a schematic representation, (a) front view, (b) top view and (c) bottom view, of an air guide element that can be used in combination with the air insert according to the embodiments of the invention; the FIG.9 is a front view of an extension of the air guide element of the FIG.8 ; there FIG.10 is a partial cross-sectional front view of the air guide of the FIG.8 installed in the air intake of the FIG.2 a flexible air duct being connected to the sleeve of said insert; the FIG.11 is a step diagram schematically illustrating a sequence of steps in the implementation of the air duct insert of the FIG.10 , during the installation and operational commissioning of said air-handling insert in accordance with implementations of the invention, for the implementation of a drying procedure using it; and, the FIG.12 is a step diagram schematically illustrating further implementation steps of the air duct insert, said steps being executed following the drying procedure implemented with the system of the FIG.1 for example; the figures of the FIG.13 to the FIG.15 These are graphs illustrating the evolution over time of the value of hydrometric parameters in the insulation-sealing complex during the execution of the drying process with the system of the FIG.1 for example, by using the aerodynamic insert according to embodiments of the invention. Description détaillée

[0030] In the figures and throughout the description, the same reference numerals represent identical or similar elements. Furthermore, the various elements are not drawn to scale to ensure clarity. Moreover, the different embodiments and variants are not mutually exclusive and can be combined.

[0031] In what follows, the terms "approximately," "around," or "in the order of" mean within 10%, and preferably within 5%. Furthermore, the terms "between ... and ...," or equivalent terms, mean that the limits are inclusive, unless explicitly stated otherwise.

[0032] Air is a gaseous mixture composed of nitrogen (approximately 78% by volume), oxygen (approximately 21% by volume), and trace amounts of other gases (argon, carbon dioxide, hydrogen, helium, krypton, xenon). In addition, air contains suspended water molecules in the form of water vapor or humidity. In physics, air containing no trace of humidity is called dry air, while air containing 100% humidity is called saturated air.

[0033] The absolute humidity (AH) of an air mass represents the amount in grams (g) of water vapor present in a given volume of dry air (i.e., 1 m 3< ) . Its value, expressed in g of vapor / m 3< Dry air remains constant even if the air temperature varies, while remaining above the dew point, that is, the temperature at which the water vapor in the air begins to condense. Water vapor in a mass of air is invisible. But if dry air becomes saturated with moisture beyond a certain limit, fog and condensation appear, as the water forms droplets suspended in the air that become visible to the human eye: the air is then said to be saturated.

[0034] Furthermore, relative humidity (RH) is the ratio (expressed as a percentage, %) between the amount of water vapor in the air (absolute humidity) and the maximum amount it can hold at a given temperature before condensation. Temperature variations directly influence relative humidity. More specifically, relative humidity decreases when the temperature rises and increases when the temperature falls.

[0035] Dry air, as defined scientifically above, exists only under laboratory conditions and is generally not encountered in real life. Indeed, except in the very specific case of an extremely desert climate, ambient air always contains some moisture. Therefore, in what follows, the expression "dry air," used in reference to air supplied to an insulation and sealing system, means air with a relatively low humidity content, for example, air with a relative humidity (RH) of less than 40%.

[0036] Finally, we define here and for the remainder of this description a three-dimensional orthogonal (X,Y,Z) direct coordinate system, where the X and Y axes form a plane parallel to the principal plane of the surface of a given constructed structure, for example, the horizontal plane for a flat roof or an inter-story slab of a building, and where the Z axis is oriented substantially orthogonally to this principal plane, this Z axis being oriented along the direction of the axis of gravity. In the remainder of this description, the terms "vertical" and "vertically" are understood to refer to an orientation substantially parallel to the Z axis, and the terms "horizontally" and "horizontally" to refer to an orientation substantially parallel to the (X,Y) plane.Furthermore, the terms "above" and "below" and derived terms or expressions (such as "above" and "below", or "over" and "underneath"), as well as the terms "lower" and "upper", which are used to qualify an element of the constructed structure under consideration, are understood to be relative to an increasing positioning as one moves away from the structure upwards. i.e., along the vertical direction +Z.

[0037] The terms "roof terrace" or "rooftop terrace" refer to a roof with a flat slope (less than 1%) or a shallow slope (between 1% and 5%). Rooftop terraces may or may not be designed for pedestrian traffic, possibly combined with a living area. Pedestrian traffic is generally due to the presence of equipment or installations on the roof requiring frequent human intervention (for maintenance, etc.). Such equipment includes, for example, air-cooled condensing units (for air conditioning in rooms located below the roof), facade cleaning equipment (particularly for glass facades), photovoltaic panels, elevator or freight elevator machinery rooms accessible only from the rooftop terrace, etc. "Living area" refers to the presence of static loads other than those related to the aforementioned pedestrian traffic.Some roof terraces (called "garden roof terraces") include one or more planted areas that receive vegetation (grass, plantings of shrubs and / or flowers, etc.).

[0038] A waterproofing and insulation system is defined as a structure that simultaneously performs both waterproofing and insulation functions within a multilayer assembly. Such an assembly comprises at least one layer of thermally and / or acoustically insulating material (or insulation layer) and at least one layer of a waterproofing membrane (or waterproofing layer). The insulation layer(s) may, for example, consist of insulating panels, such as polyurethane or polystyrene panels (which are the most commonly used), or cork panels, or other plant fibers such as hemp fibers. They may also include loose-fill insulation of such a material of plant origin (particularly hemp) or animal origin (e.g., sheep's wool), applied in a loose form and possibly bound and / or compacted to varying degrees.Examples of waterproofing coatings include, but are not limited to, asphalt and two-layer systems based on elastomeric modified bitumen membranes commonly referred to as "SBS two-layer bitumen" (where the acronym SBS stands for "styrene butadiene styrene", and designates a type of synthetic plastic that gives these bituminous membranes high elasticity).

[0039] In the following description of embodiments of the insert and the system, as well as of methods for implementing the process, reference is made to the simplified diagram of the FIG.1 The non-limiting example of a drying system 1 used for post-disaster drying of an insulation-waterproofing system 101-102 installed on a roof terrace slab 100, for example, a concrete slab. The insulation-waterproofing system 101-102 comprises one (or more) layer(s) of insulating material 101 (simply referred to as "the insulation" for short), faced on top with a waterproofing membrane 102. The waterproofing membrane 102 can be single-layer or multi-layer, and therefore, for the sake of brevity, those skilled in the art generally refer to it as "single-layer" or "multi-layer." The waterproofing membrane can be bonded to the insulation and / or to the concrete slab (generally with waterproofing upstands not shown), for example, by hot bonding if the waterproofing membrane is bituminous.Alternatively, it can be decoupled (also called "non-adherent") when a heavy protection is above the waterproofing coating (for example, paving slabs on pedestals, gravel, vegetation, etc.).

[0040] The first step in the process involves installing air vents 10a-10b, distributed across the entire surface of the roof terrace 100. A first vent or group of vents 10a is used to supply dry and / or warm air to the insulation and waterproofing system 101-102, which is to be dried. A second vent or group of vents 10b is used to extract the moisture-laden air from the system, thus achieving the desired drying effect. In one embodiment of the system, vents 10a and 10b are structurally identical and differ only functionally in their use, as described above.

[0041] The 10a and 10b inserts are positioned by an operator to cover the area of ​​the roof terrace to be treated. This spatial distribution relies on their expertise and experience, based on a prior analysis of the characteristics of the drying procedure to be carried out. The number and distribution of the supply air inlets 10a and the number and distribution of the extraction air inlets 10b depend on the size and shape of the area to be dried, the composition of the insulation and waterproofing system, and in particular the type and thickness of the insulation layer, as well as the extent of moisture affecting the system as assessed beforehand, and any requirements regarding the speed of the process, etc. All this knowledge makes it possible in particular to calibrate the number and distribution of the insufflation inserts 10a and the extraction inserts 10b according to the needs of the drying procedure to be carried out.Of course, at least visual identification of the two types of inserts, such as a coloured marker or any other form of physical or electronic labelling, can make it possible to distinguish the supply inserts 10a from the extraction inserts 10b, in order to avoid errors when connecting them.

[0042] The second step in the process is the installation of machines for supplying dry and / or hot air via the supply inserts 10a, and machines for extracting humid air via the extraction inserts 10b. In one embodiment, the former are grouped in a first supply unit or subsystem 20a, while the latter are grouped in a second extraction unit or subsystem 20b: the supply subsystem 20a includes a dehydrator 21a coupled to a turbine 22a connected in supply, which is associated with a thermo-hygrometric probe (not shown) allowing the measurement of the different parameters of the supplied air; and the extraction subsystem 20b includes a turbine 22b connected in suction, coupled to a water separator 21b which is associated with a thermo-hygrometric probe allowing the measurement of the different parameters of the extracted air.

[0043] An air dryer can, for example, be a dehumidifier, that is, an air-to-air heat pump which, like an air conditioner, lowers the air temperature to condense water particles using a radiator (or condenser) in order to separate them from the air. Alternatively, the air dryer can be a desiccant dryer, which includes an endless wheel made of silica gel. (i.e., A silica gel with moisture-absorbing properties is used to dehumidify the impeller, through which humid air passes. Approximately one-quarter of the impeller is bordered by a hot air duct that extracts moisture from the impeller. The high dehumidification capacity can reach several liters of water per day (e.g., around ten liters / day), even at temperatures as low as +0°C. The airflow can be several hundred cubic meters per hour (e.g., approximately 200 m³ / hour). The 22a and 22b turbines can have several ventilation modes or speeds (e.g., low, medium, or high), one of which is selected to optimize air circulation in the space to be dehumidified.

[0044] Those skilled in the art will appreciate that when water (in liquid form) is trapped within the insulation-sealing system, pumping can be carried out prior to the actual drying procedure by supplying dry air and extracting humid air, via the suction turbine 22b coupled to a water separator, and that this pumping can be performed via all or some of the supply inserts 10a and / or the extraction inserts 10b. Advantageously, this water pumping can also be carried out automatically and simultaneously from the start of the drying procedure with the system as proposed herein.

[0045] The third step of the process consists of connecting the supply air subsystem 20a to the supply air inserts 10a, and connecting the exhaust air subsystem 20b to the exhaust air inserts 10b. These connections are made via a supply air duct network 30a and an exhaust air duct network 30b, respectively: The supply duct network 30a may include supply ducts 30a which connect each of the supply inserts 10a to the supply subsystem 20a, either directly or via one or more supply manifolds 32a; and, The exhaust duct network 30b may include exhaust ducts or pipes 30b which connect each of the exhaust inserts 10b to the exhaust subsystem 20b, either directly or via one or more exhaust manifolds 32b.

[0046] The 30a dry air supply ducts and the 30b humid air extraction ducts can be flexible ducts, for example corrugated ducts, possibly joined by connecting accessories, namely straight fittings allowing the assembly of duct elements of a determined length to reach inserts that are relatively further apart, and / or elbows at a determined angle (for example, 90°, 135°, etc.) allowing the configuration of a rational duct route while avoiding the risk of pinching a flexible duct at a change in the direction of extension of a duct induced by the topology of the roof terrace.

[0047] According to some embodiments, the proposed system 1 may include connecting elements for connecting dry air supply ducts 30a and 10b to each other and / or to the air inlets 10a and 10b, and / or to the manifolds 32a and 32b, and / or to the subsystems 20a and 20b, and to the humid air supply ducts 30a and 30b, respectively. At least some of these connections may be equipped with one or more sockets for installing a hygrometric sensor (temperature and / or humidity sensor) or for installing a vacuum gauge. Examples of such system accessories will be described below with reference to the FIG.5 and to the FIG.6 .

[0048] The fourth step consists of carrying out the actual drying process. In this step, the insufflation sub-assembly 20a and the extraction sub-assembly 20b are put into operation in order to trigger the circulation of drying air in the insulation-sealing assembly 101-102.

[0049] To the FIG.1 The path of the air supplied to the insulation-sealing assembly 101-102 to be dried is shown by broad arrows, according to the legend displayed in a frame at the bottom center of the figure. The dry and / or warm air 40a delivered by the supply air inlets 10a into the assembly is represented by 90° curved white arrows with no internal pattern, on the left side of the figure. The humid air 40b extracted from the assembly by the supply air inlets 10b is represented by 90° curved white arrows with a fill pattern having maximum dot density, on the right side of the figure.Intermediate straight arrows, oriented horizontally from left to right and ordered along this direction, in white color and with a filling pattern having a respective increasing point density, represent the increasingly moisture-laden air circulating in the complex 101-102 between a supply insert 10a and an extraction insert 10b.

[0050] The drying process can be carried out continuously, meaning that the insufflation and extraction machines operate virtually continuously, seven days a week, twenty-four hours a day. If necessary, the machines can operate in supervised mode. i.e., under the control of an operator present on site more or less permanently or operating remotely, and / or under automated control based on information provided by sensors and centralized at the level of a control unit. This control is accompanied by updates, if necessary, of all the operating setpoint values ​​by which the dry air supply subsystem 20a and the humid air extraction subsystem 20b are controlled.

[0051] In some implementation modes, the control unit is remote, and regular monitoring can be performed remotely through the supervision ("monitoring") of the drying process. Preferably, adjustments to the machine operating parameters can be made locally or remotely based on various data points. This adjustment can be controlled by a remote operator and / or result, at least in part, from the execution of an automatic control program running on a remote computer.

[0052] In all operating procedures, reading and comparing various hygrometric parameters of the supply air, exhaust air, and ambient air during the drying process allows for validation of the drying operation's completion based on one or more parameters reflecting the residual humidity level within the insulation-sealing system. When this residual humidity level falls below a predetermined threshold and a certain stability is observed, the process is considered successfully completed, and the machine operation is stopped.

[0053] The control is, essentially, based to the first order on the humidity level in the wet air 40b which is extracted from complex 101-102.

[0054] The use of vacuum gauges, preferably positioned at the air inlets to provide the most representative possible information on the spatial distribution of air pressure within the insulation-waterproofing system 101-102, also allows for the creation and maintenance of negative pressure within the system, thus preserving its integrity. This negative pressure does not need to be significant, but its primary purpose is to prevent positive air pressure anywhere within the system 101-102. Indeed, it is preferable to avoid creating positive pressure within the system, as pressurized air could infiltrate between the insulation layer 101 and the waterproofing membrane 102 of the insulation material and / or the anchoring points to the underlying concrete slab 100, particularly at the waterproofing upstands typically installed around the perimeter, on the parapet walls of the structure.This could indeed cause irreparable detachment of the insulation layer 101 and / or the waterproofing coating 102 which, in the long term, would lead to a risk of waterproofing failure by tearing of the waterproofing layer 102, tearing of the rainwater drainage pipes, detachment of the insulation 101 from the concrete slab 100, etc.

[0055] In some implementation methods, a drying report containing measurement curves for the various parameters during the operation can be produced at the end of the drying process. Publishing this report allows for validation of the success of the drying process for all interested parties, including insurers and project owners.

[0056] Installing each air vent insert requires core drilling through the insulation and sealing system, and therefore piercing the sealing layer 102 directly above an air vent opening in the insert. A sealing treatment must be carried out, preferably by a roofer, i.e., a building sealing professional whose work is covered by insurance, such as a ten-year warranty.

[0057] The ventilation inserts offered here have been specifically designed to address waterproofing issues and allow for permanent installation on the roof terrace, enabling potential future reuse. This allows them to be reused later, either to carry out a new drying process in the event of a new incident, or to renew or supplement a drying process already completed if necessary, or to perform waterproofing checks of the system by measuring hygrometric parameters within it, or even to conduct smoke or tracer gas tests to detect leaks. Furthermore, to withstand the test of time and the elements (rain, snow, frost, etc.), the inserts are, for example, made of stainless steel.

[0058] With reference to the FIG.2 An air intake insert 10 consists solely of a plate 15 from which extends, for example orthogonally, a tubular sleeve 11 (i.e., a hollow tube or cylinder) comprising an air passage 13, and which terminates at its free end 12 by a connecting fitting 12a. The plate 15, once laid flat on the sealing coating 102 of the assembly to be dried as shown in the FIG.3 , allows the sealing of insert 10 to the said coating 102, in accordance, for example, with the rules of DTU 43.1. For example, the end cap 12a is a male Cam-Lock™ connector, i.e., A Cam-Lock™ connector of type E, F (or F-AS), or A. Such a 12a connector includes an annular groove and allows for the quick connection of a dry or humid air duct, for example, a flexible duct, which may be corrugated, for implementing the drying process. This duct connection is then made via a corresponding female connector. i . eA Cam-Lock™ type C, B (or B-AS), or D type connection socket with locking levers. Of course, in some embodiments, the gender of the two connectors of the fitting may be reversed. The connection end 12a of the insert also allows, after the drying process, the installation of a female (e.g., a Cam-Lock™ type DC cap) or male (e.g., a Cam-Lock™ type DP cap) sealing cap, respectively, depending on whether said end 12a is a male Cam-Lock™ plug (as shown) or a female Cam-Lock™ socket, respectively. These connection accessories are commercially available.

[0059] In embodiments as shown in the FIG.2 It can be envisaged that the plate 15 will be manufactured as a single unit (i.e., in one piece) by casting, machining from a block of raw material, molding, or additive manufacturing (3D printing). Alternatively, the sleeve 11 can be manufactured separately from the plate 15 and permanently assembled to said plate 15, which has been previously drilled to form the air passage orifice 13a, for example, by welding at said orifice 13a. This embodiment avoids any risk of leakage at the plate 15 at the base of the sleeve 11, regardless of the assembly method used. This solution is a priori the least expensive for achieving this result.

[0060] In other embodiments, however, the sleeve 11 can initially be separated from the plate 15 and can be coupled to said plate, for example, by screwing, via a mutually provided thread and tapping on both parts to be assembled, or by a quarter-turn push-fit mechanism, or by any other suitable means. The fact that the insert is thus made available in two parts to be assembled by the end user can reduce the volume of a batch of inserts, thereby facilitating transport and storage. When the sleeve 11 and the plate 15 of the insert 10 are to be assembled by the end user, the sealing of their connection can be ensured, for example, with a sealing washer made of rubber, paper or leather which is compressed during assembly, and / or by placing a Teflon ™< sealing strip on the thread, and / or by peripheral sealing by applying a sealing paste, etc.

[0061] As illustrated by the FIG.2 and the FIG.3 , the upper face of the plate 15 (the one from which the sleeve 11 extends and which is opposite the one, or lower face, by which the insert 10 rests on the sealing coating 101 as illustrated by the FIG.3 The surface may at least partially have a rough surface. A rough surface is one that is intentionally not perfectly smooth, for example, a textured surface (with the deliberate formation of unidirectional or bidirectional ridges), a striated surface, or an embossed surface. Such a surface has regular or irregular patterns such as undulations, striations, or motifs, for example, in the shape of "grains of rice." It can be intentionally obtained by molding, punching, or embossing. This non-smooth surface condition gives the upper face of the plate 15 a better adhesion capacity, which is favorable for the durable bonding of a sealing coating for the insert 10, as will become clearer from the following description of a method for obtaining this seal.

[0062] With reference first and foremost to the FIG.4A , to the FIG.4B and to the FIG.4C The mounting plate can be polygonal, preferably square as shown, with rounded corners. A polygonal shape allows the plate to be manufactured by cutting a large sheet to create multiple plates without waste, thus avoiding material loss. The square or rectangular shape has the advantage that the cuts are straight, making them easier and faster to make. The square shape with rounded corners is preferred because, among all quadrilaterals of the same area, the square has the smallest perimeter (the square is the only solution to the iso-perimeter problem for quadrilaterals), which means that the square mounting plate has the shortest cumulative length of peripheral edges, which must be sealed to prevent any water ingress at the level of the air intake 10.In other words, for a given surface area of ​​the base plate 15, chosen in particular to provide sufficient stability before its watertight sealing and to reduce the risk of accidental detachment afterward, either during the drying process or afterwards (especially if the roof terrace includes pedestrian traffic), a square shape for the base plate minimizes the length of the perimeter to be sealed. Consequently, the square shape reduces the risk of water ingress in the event of an imperfection or deterioration in the watertight seal of the insert. Rounded corners reduce the risk of damage to the waterproofing membrane 102 of the insulation-waterproofing assembly 101-102 to be dried during the installation of the insert. Sharp corners could indeed accidentally cause holes or cuts in this membrane.

[0063] A triangular shape of the plate 15 minimizes the number of sealing material strips that need to be placed over the edges of the plate: this number is reduced to three for a triangle, instead of four for a quadrilateral (again, see the description of the insert sealing later with reference to the FIG.3 Alternatively, the plate can also be hexagonal, octagonal, etc., although these embodiments seem less advantageous.

[0064] To the FIG.2 Let L and l be the length and width, respectively, of the plate 15 if it is rectangular. In this case, the length L is greater than the width l (L > l). If it is square, as in the example shown, these two dimensions are equal (L = l). Let R1 be the minimum distance between the outer surface of the sleeve 11 and a long side of the plate 15 if it is rectangular, and R2 the minimum distance between the outer surface of the sleeve 11 and a short side. If the plate 15 is square, R1 is, of course, equal to R2 (R1 = R2). Preferably, the lesser of the two distances R1 and R2, that is, the smaller of the two, between the outer edge of the tubular sleeve 11 and the outer edge of the plate 15 is, at every point on the periphery of the plate, greater than 12 cm. It is preferably between 12 and 20 cm, for example, approximately 15 cm. In a preferred embodiment, the plate is square and its side dimension is approximately 28 cm (or 280 mm).Put another way, we have L=l=280 mm.

[0065] The thickness of the plate and / or the wall thickness of the sleeve are greater than 1 mm, preferably between 1 mm and 5 mm, more preferably between 2 and 5 mm, for example equal to 3 mm. This value is a good compromise between the rigidity and strength of the insert 10, on the one hand, and material economy and weight of the insert, on the other.

[0066] With particular reference to the FIG.4B , on which the left part is seen in longitudinal section along the section plane AA' shown in the FIG.4C The extension height H of the sleeve 11 (including the connecting fitting 12a) above the plate 15 can be between 8 and 15 cm, preferably around 10 cm, for example 10.5 cm. To meet the specific requirements of certain applications, the height H can be reduced, for example, in cases where there are constraints on a thin plenum because the system to be dried is located under a wooden floor or under slabs on pedestals.

[0067] The insert is ideally made of a non-corrosive material, such as stainless steel or galvanized steel, or any other metal intentionally treated against corrosion, for example by galvanizing or chromating. This is particularly important when good resistance to salt spray testing is required. It can also be a metal that is naturally non-corrosive under the intended operating conditions, such as zinc (Zn) or lead (Pb), or one that is only slightly oxidizable, such as aluminum (Al). Alternatively, it can be a synthetic material, such as a selected high-performance polymer, for example, polyphthalamides (PPA).The insert can also be made of metal chosen for its rigidity, and be protected by a coating with good anti-corrosion properties such as a thermoplastic polymer coating from the polyamide family, for example polyamide 11 (marketed by Arkema™ under the brand Rilsan PA11™).

[0068] In some embodiments, the insert can be manufactured by additive manufacturing or three-dimensional (3D) printing of plastic or metal materials. For example, printing with plastic materials can be carried out by fused deposition modeling (or FDM®, from the English " Fused Deposition Modelling ") or FDM 3D printing, using a filament such as Acrylonitrile Styrene Acrylate (ASA), which is highly resistant to weathering, light (ultraviolet, or UV, radiation), and temperature variations, making it a good candidate for applications where the air intake is exposed to the elements. Powder bed fusion (PBF) printing "Powder Bed Fusion ") is particularly well-suited for metallic materials such as titanium, stainless steels, and nickel-based alloys. 3D printing now goes beyond rapid prototyping and enables the production of functional parts for end-use applications (known as "usable parts"). The insert is therefore a single-piece product, i.e., fully realized. The skilled person will appreciate that the manufacture of insert 10 by 3D printing accommodates very well the particularities of this recent technology, in particular because microstructure control is not a critical requirement for this manufacture.

[0069] With reference to the diagram of the FIG.3 , once the core drilling of the waterproofing membrane 101 of the insulation-waterproofing assembly 101-102 to be dried has been carried out to make a hole whose diameter corresponds to the inner diameter D int of the tubular sleeve 11 (see FIG.4C ), the aerodynamic insert 10 is put in place by placing it on its flat face (lower face), and this without any other intervention to be carried out on the waterproofing coating layer 102 other than the single coring mentioned above, with the air passage orifice 13a of the plate 15 well positioned at the right of the hole (which will preferably be of the same diameter, approximately) formed through the waterproofing coating 102. The airtight sealing of the aerodynamic insert 10 is then carried out, by depositing strips of "sb bitumen bilayer" material (see below).

[0070] This watertight seal provides improved sealing at the insert level compared to existing air vent inserts, thanks to the fact that the base plate is designed to rest flat directly on the waterproofing membrane 101 of the 101-102 assembly, positioned as described above directly over the core hole, and covered with a conventional waterproofing membrane that is easy to install and reliable over time. This operation is carried out by, and / or under the responsibility of, a professional waterproofing contractor, in accordance with applicable technical specifications. In France, such specifications are contained, for example, in the Unified Technical Document (DTU) number 43.1, entitled "Waterproofing of flat and pitched roofs with masonry load-bearing elements in lowland climates," already mentioned above.

[0071] The value of the smallest distance (denoted R1 or R2 at the FIG.4A ) between the outer wall of the tubular sleeve 11 at the level of the upper face of the plate, on the one hand, and the peripheral edges of the plate 15, on the other hand, that is to say the distance between the outer wall of the sleeve at the junction with the plate and the points closest to the perimeter (i.e. the periphery) of said plate, is at least sufficient so that the upper face of the plate 15 can receive a waterproofing coating comprising, for example, strips 30 of "SBS bitumen two-layer" material, which is applied straddling and overlapping the boundary between said plate 15 and said waterproofing coating 101 at said peripheral edges of the plate 15, as shown in the FIG.3 The strips 30 of "SBS bitumen double-layer" material are laid when the base plate is positioned flat on its underside on the waterproofing membrane 102 of the system to be dried, with the air passage 13a aligned with a core hole 111 drilled in said membrane to expose the insulating material layer (101) of said system. The strips 30 are laid with an overlap of the base plate 15, for example, by a minimum distance of approximately 12 cm (0.12 m), in the X,Y plane of the base plate 15, from the edges of the base plate towards the center of the base plate and the tubular sleeve 11. In practice, the minimum distance of this overlap is defined, for example, by applicable technical specifications, agreed upon to provide the necessary level of confidence in the quality of the watertight seal of the insert 10 on the waterproofing membrane 101 of the system 101-102 to be dried.Optionally, a sealing upstand can be formed at the base of the tubular sleeve 11, towards its free end 12. Such a sealing upstand can extend to a minimum height of approximately 15 cm (0.15 m) along the direction of the vertical axis Z. This can be particularly advantageous when the plate 15 and the sleeve 11 of the air inlet 10 are initially supplied in two separate parts that are assembled by the user. Those skilled in the art will understand that the term "straddling" used above means that the coating formed by the strips 30 is bonded partly to the upper face of the plate 15 and partly to the sealing coating 101 of the insulation-sealing assembly 101-102 to be dried.

[0072] With reference to the three views (a), (b) and (c) shown at the FIG.7 The cam-lock™ connection systems allow for quick, easy, and leak-proof connection of flexible hoses to each other, or to flexible hoses to fittings or devices on subsystems 20a and 20b. The connection is made simply by inserting the quick-connect fitting (male part) into the cam coupler (female part). They are matched in diameter. Locking is achieved by folding down the two levers of the coupler, thus exerting constant pressure on a seal 73 (not visible on the FIG.7 but which appears on the cross-sectional view on the left side of the FIG.10 ), to ensure the connection is watertight.

[0073] With reference to the three views (a), (b) and (c) of the FIG.7 Next, an air duct 31, for example a flexible corrugated duct, is connected to the connection fitting at the end of the cylindrical sleeve of the air insert. This figure simply shows a Cam-Lock fitting 70 that can be used for this purpose. In the example shown, the plug 71 (male connector) is attached to the duct 31, and the socket 72 (female connector) would be attached to the free end 12 of the sleeve (i.e., this socket would form the connection fitting 12a of the insert).

[0074] The arrows on view (a) to the left of the FIG.7 illustrate the actuation of the locking levers of the socket 72 which allows the Cam-Lock™ fitting 70 to be locked to attach (or connect, or join) the duct 31 to the tubular sleeve 11 of the air insert 10. The arrows in view (c) to the right of the FIG.7 illustrate the actuation of the levers on the socket 72, which allows the Cam-Lock™ fitting 70 to be unlocked to separate the duct 31 from the air insert. View (b) in the center of the FIG.7 shows fitting 70 when locked.

[0075] There FIG.5 The figure shows, in front view, a first connection accessory 50 of the drying system 1, which is shown here horizontally. This connection accessory 50 (or fitting 50) has the form of a straight tube segment comprising a hollow cylindrical body 51, terminated at each of its longitudinal ends by a connection element 53 and 54, respectively, preferably a quick-connect element. In the example shown in the figure, such quick-connect elements 53 and 54 are, for example, Cam-Lock™ plugs. i.e., male connectors). The straight tube portion forming the wall of the cylindrical body 51 includes a socket 52, for example, a threaded hole in a well extending radially outwards from the body 51 as shown, for inserting a hygrometric sensor 52a (shown in dashed lines in the front view of the figure) into said body. This sensor allows, for example, the temperature and / or humidity of the air circulating in said body 51 of the accessory 50 to be measured. Preferably, the accessory 50 is made of stainless steel, but the material variants considered above with regard to the air insert 10 can also be considered for this accessory 50.

[0076] In some implementation modes, an accessory 50 as shown in the FIG.5 can be directly coupled to a conjugate-type connection fitting at the level of the insufflation turbine 21a of the insufflation subsystem 20a or at the level of the extraction turbine 21b of the extraction subsystem 20b of the drying system 1 of the FIG.1 This may be done upstream of a dry air supply manifold 32a or a downstream humid air exhaust manifold 32b. In this way, the accessory 50, in which the sensor 52a is housed, benefits from thermal protection designed to protect the machines of the corresponding subsystem. This prevents distortion of the temperature measurement, particularly when the ambient temperature can be very high (in summer) or very low (in winter). In winter, it also prevents condensation occurring locally on the accessory 50 from interfering with the humidity measurement by the sensor 52a.

[0077] There FIG.6 The figure also shows, in a front view, another connecting accessory 60 of the drying system 1. This accessory 60 has the general shape of an elbow, namely a 90° elbow in the example shown. It comprises a hollow cylindrical body 61 made of two non-collinear straight tube sections extending along respective longitudinal directions oriented relative to each other at a 90° angle in this example (therefore, directions perpendicular to each other). Of course, the invention is not intended to be limited by the value of the elbow angle formed by the two straight tube sections of the fitting: fittings with two non-collinear straight tube sections oriented relative to each other at other angle values ​​are conceivable, for example, to form 45° or 135° elbows, or any other angle value.The two straight tube sections forming an elbow are joined to each other at one of their respective ends, at the elbow. Each is terminated at its other, free end by a connecting element 63 and 64, respectively, preferably a quick-connect element. In the example shown in the figure, the quick-connect elements 63 and 64 are, for example, a Cam-Lock™ plug (male connector) and a Cam-Lock™ socket (female connector), respectively. The wall of at least one of the straight tube sections of the cylindrical body 61 includes a socket 62, for example, a tapped hole extending radially into the body 61 as shown, for coupling a pressure sensor or vacuum gauge 62a to said body.This vacuum gauge measures the negative pressure of the air circulating in the angled cylindrical body 11 of the connecting accessory 60, particularly the humid air 40b circulating in the humid air extraction network 30b. Alternatively, or in addition to, a pressure gauge can be provided for measuring the air pressure, particularly the dry air 40a circulating in the dry air supply network 32a at the outlet of the dry air supply subsystem 20a. Preferably, the accessory 60 is made of stainless steel, but the material options considered earlier for the insert 10 can also be used for this accessory 60.

[0078] In some implementation modes, an accessory 60 as shown in the FIG.6 can be coupled via its female-type connection fitting 64 directly onto the male-type connection fitting of the sleeve 11 of a supply insert 10a or an extraction insert 10b such as insert 10 of the FIG.2 In this way, the vacuum measurement in the 101-102 insulation-sealing system is carried out with a vacuum gauge as close as possible to an access point of said system. Thus, any potential air pressure loss in the corresponding connection network has no influence on the accuracy of the vacuum measurement.

[0079] The embodiments of accessories 50 and 60, which have been described above with reference to the FIG.5 and to the FIG.6 These are purely illustrative from a structural point of view. These accessories are characterized solely from a functional perspective by the type of sensor 52a or 62a they carry, which may affect the arrangement of the accessory within the dewatering system 1, as previously mentioned. Otherwise, regarding the shape and arrangement, everything is interchangeable: the gender (male or female) of the connectors, the straight or angled shape, and the angle of the bend, if applicable. Connections with more than two non-collinear straight pipe sections are also possible, for example, with three straight pipe sections arranged in a "T", "U", etc., shape, depending on the specific requirements of each application.A three-section T-connector allows, for example, the creation of a branch to another section of the air duct, or the formation of an extension to the duct, in which a measuring port can be placed without obstructing the airflow within the duct, and therefore without compromising the aerodynamic performance of the supply air network 30a or the exhaust air network 30b. A three-section U-connector can create a low point in the exhaust air network 30b, for example, to drain liquid water resulting from possible condensation of moisture in the air circulating within the network.Alternatively or in addition, a U-shaped fitting can create a high point for venting. When open, this vent can reduce air pressure in the air network, particularly in the 30a supply network, if needed. Furthermore, a single fitting can include multiple outlets, for example, on separate sections of straight tubing or on the same section of straight tubing, which may be a single section, as in the case of the straight fitting. FIG.5 .

[0080] In some embodiments, the system may include other accessories illustrated by the figures in the FIG.8 to the FIG.10 , which can be used, where appropriate, with each other, and in combination with the aerodynamic insert according to the invention.

[0081] With reference to the FIG.8 , an accessory of the tubular sleeve 11 of the air insert includes an air guide element 80, forming a basic element of an air guide (and which is also referred to as air guide 80 in what follows), in the form of an elongated hollow tube (cylinder), with: a cylindrical wall forming a body 81 of longitudinal extension (the longitudinal axis of this body being represented along the vertical direction Z vertically to the FIG.8 ), of circular section for example, with a longitudinal length greater than the longitudinal length of the air passage duct 13 in the tubular sleeve 11, and terminated by; a proximal end 82, here the upper end of the body 81 in the representation of the figure, on one side; and by a distal end 83, or lower end of the body 81 in the configuration shown in the figure, and which includes perforations 83a forming an air exsufflation strainer (when the insert is used as an insufflation insert) or air aspiration strainer (when the insert is used as an extraction insert), on the other side.

[0082] The basic air guide element 80 is generally in the form of a hollow tube or cylinder, the cross-section of which is the same as the cross-section of the air passage duct 13 (or internal duct) of the tubular sleeve 11 of an air duct insert 10, namely the circular shape in the example considered here. Furthermore, the air guide element 80 has external dimensions, namely an outside diameter d ext in this case (see front view a) of the FIG.8 ) which is slightly smaller than the inner diameter D int of the air passage duct 13 of the sleeve 11 of the insert 10 (see the FIG.4C ), so that it can be introduced into this internal conduit 13 of the sleeve 11. In other words, the shape and dimensions of the cross-section of the element 80 correspond to the internal cross-section of the air passage duct 13 of the tubular sleeve 11. Thus, the air guide 80 then enters into sliding contact with the internal wall of the sleeve 11 of the insert 10.

[0083] The insertion of the air guide element 80 into the duct 11a of the tubular sleeve 11 of the insert 10 can be done by introducing the lower longitudinal end 83 of the element 80, which has perforations 83a, into the duct 13 through the free end 12 of the sleeve 11. This can be done, for example, once the insert 10 has been put in place and sealed by its plate 15 on the sealing coating 101 of the insulation-sealing assembly 101,102 to be dried, at the right of a core hole made in said coating 101.

[0084] As shown in the front view of the FIG.10 (of which the left part is a front view in longitudinal section), the lower longitudinal end 83 of the air guide base element 80, having perforations 83a, then protrudes substantially from the plane of the plate 15. In other words, it protrudes downwards beyond the air passage orifice 13a formed through the plate 15 of the air insert 10. In this way, the supply or intake strainer 83a protrudes substantially from the air passage orifice 13a of the plate 11 and penetrates the insulation material 101 of the insulation-sealing assembly 101,102.

[0085] The basic air guide element 80 and its end perforations 83a allow, when such an element is used on the supply and / or exhaust side, to ensure that dry air is supplied to the assembly or humid air is extracted from the assembly, respectively, below the upper level of the insulation layer 101, within the volume of said insulation layer, or between said layer and the concrete slab 100, rather than between said insulation layer 101 and the waterproofing membrane 102. In other words, the air guide 80 allows for better control of the vertical position, i.e. along the vertical direction Z, of the level at which dry air is supplied, or at which humid air is extracted.

[0086] With reference to the partial cross-sectional view shown on the left side of the FIG.10 One or more peripheral seals, for example O-rings or flat seals of a suitable shape (circular with a square cross-section in the example), can be installed around or above the cylindrical air guide 80 in the sleeve 11 to prevent the flow of supply or exhaust air between the inner wall of the sleeve and the outer wall of the air guide. This seal can be further enhanced by using the Cam-Lock™ fitting coupled to the air duct when this fitting is locked onto the sleeve's connection end.In this configuration the lower part of the fitting provides a stop plane for the upper end 82 of the air guide, the lower end 83 of which, fitted with perforations 83a, presses against the insulating material 101, this support providing an elastic reaction (due to the elastic compression coefficient of said material), which tends to make the air guide 80 rise upwards, by sliding in the duct 13 of the sleeve 11 of the insert 10.

[0087] Ideally, the height of the air guide 80 is such that, when the guide is introduced into the sleeve of the installed insert by its terminal end 83 having perforations 83a and the latter rests by gravity on the insulation material 101 of the complex to be dried, its opposite proximal end 82 protrudes freely a few centimeters above the top level of the sleeve 11 of the insert 10. Thus, when the female connector 71 of the Cam-lock™ type of a flexible corrugated sleeve 31 is put in place on the male Cam-Lock 71 forming the connecting end 12a at the upper end 12 of the tubular sleeve 11, it pushes the air guide 80 a few centimeters downwards, towards the center of the sealing material 101 into which it then sinks slightly.Once the fitting 70 is locked by lowering the levers 721 and 722 of the female connector 722 along the sheath 31, the elastic force exerted on the distal end of the air guide 80 tends to make it rise, which crushes the seal placed at the upper level of said guide, and ensures the sealing of the air guide 80 at this level by pressing against the inner edge of the female connector 72 of the fitting 70.

[0088] One or more air guide extensions such as the 90 extension shown in the FIG.9 can be butted together, that is to say assembled by being placed end-to-end with each other and with an elementary air guide element such as element 80 shown in the FIG.8 , in order to adjust the length of the air guide to the thickness of the sealing membrane and the underlying insulation material, in order to more accurately achieve the result indicated above. A 90 extension has an identical structure to the 80 air guide base element shown in the FIG.8 , but has a smaller longitudinal dimension (height along the vertical Z direction in the configuration shown). For example, the height He of the extension cord FIG.9 can be between 5 and 10 cm, for an 80 mm air guide base element with a height Hg between 15 and 20 cm. This is a height extension element for the 80 mm air guide base element. By coupling an 80 mm air guide base element with a height Hg and a 90 mm extension with a height He, we obtain a combined air guide whose height is equal to Hg+He.

[0089] The skilled professional will appreciate the availability of extension pieces of varying heights, allowing for multiple combinations to achieve any desired height. Naturally, several extensions can be connected together and to the 80 mm air guide base.

[0090] To ensure this coupling, the terminal end 93 of the extension 90 may, in some embodiments, include, for example, lugs 93a for the longitudinal extension of the tubular wall 91, which extend longitudinally in continuity with said wall 91. These lugs 93a, of which there are two in the example shown in the FIG.9 , wrap slightly around the longitudinal axis 94 of the extension 90 (which axis is shown vertically in the figure), while remaining inscribed within a virtual extension (downwards, in the illustrated configuration) of the cylindrical envelope of the wall 91 of the extension 90. These lugs 93a are adapted to snap into place, by a cooperation of form, with correspondingly numerous and correspondingly shaped cutouts 82a, which are provided in the cylindrical wall 81 of the base element 80, at the level of the proximal end 82 of said element 80, which is the end shown at the top in the configuration of the FIG.8 The coupling is then achieved in the manner of a so-called "bayonet" coupling. Advantageously, when the lugs 93a of the extension 90 are snapped into the corresponding cutouts 82a of the base element 80, said extension and said base element form an elongated air guide in the form of a tube having substantially continuous inner and outer walls. This method of connecting the extension 90 respects the air guide function of the base element 80. Other forms of connection can be considered, for example, by giving the lower end 93 of the extension 90 an external diameter smaller than the internal diameter of the upper end 82 of the base element 80, to allow one to be inserted into the other.

[0091] Like a strainer, the perforations 83a at the lower end 83 of the air guide's base element 80 filter out particles of insulating material that might otherwise be drawn in with the extracted humid air through an extraction air inlet 10a. This risk exists when the material tends to break down into small pieces, particularly due to aging or degradation caused by humidity. The diameter of the perforations 803a is adjusted to ensure the desired filtration while mitigating the risk of clogging the filter. In case of clogging, simply stop the system 1 and disconnect the air duct 71 from the inlet 10 (see FIG.10 ), to remove the air guide 80 by extracting it from the sleeve 11 of the insert 10 from the top, and to clean the lower part 83 of the guide 80 in order to unblock the orifices 83a.

[0092] The installation and operational use of the air-handling inserts of the drying system described above will now be briefly explained with reference to the step diagrams of the FIG.11 and of the FIG.12 These figures illustrate the operations implemented for the preparation of the drying procedure and within the framework of the execution of this procedure itself, and those implemented at the end of said process, respectively.

[0093] The step diagram of the FIG.11 , illustrates the installation and use of an air-handling insert according to the invention.

[0094] In step (a), the position of a hole to be drilled in the waterproofing system 101-102 present on the building structure 100 is located using a drill pipe or core drill 110. The system comprises the insulation 101 covered on top by the single-layer or multi-layer membrane 102. In step (b), the core drilling is carried out using the core drill 110, which is rotated for this purpose. In step (c), the core drill 110 is removed. The hole 111 made in the waterproofing membrane, i.e., in the single-layer or multi-layer membrane 102, exposes the insulation 101.

[0095] In step (d), the air-filled insert with its plate 15 is placed flat on the single-layer or multi-layer sealing coating 101, aligning the air passage orifice 13a of the plate (and therefore the air passage duct 30 of the tubular sleeve of the insert 10) with the core hole 111 made in said coating 101. If necessary, the operator carrying out this operation can use the core drill in the manner of a centering pin (or centering pin), to ensure the correct positioning of the air-filled insert 10, in line with the hole 111.

[0096] In step (e), the sealing coating 30 of the air insert 10 is positioned over the edges of the plate 10 and over the sealing coating 101 of the assembly to be dried, and it is sealed, for example, by heating with a gas torch 112. During this operation, the core drill 110 used as a centering guide can be held in place to ensure the correct positioning of the insert 10. In step (f), the result is that the insert 10 is held firmly in position and sealed against the sealing coating 101 of the assembly to be dried. In step (g), the core drill 110 can be removed. i.e., The centering pin is no longer needed. The 12a connection fitting of the insert's tubular sleeve is accessible.

[0097] At step (g), the air guide element or air guide 80 is then removed, by its end including the perforations forming the strainer 83a, into the tubular sleeve 11 of the insert 10, from the top via the connection nozzle 12a of the insert.

[0098] At step (i), the air tube 80 is in place, with its distal end (at the bottom) having perforations 83a which is in the insulation 101 of the insulation-sealing complex to be dried, and with its proximal end (at the top) which protrudes very slightly upwards from the connecting end 12a of the tubular sleeve of the insert 10. An air line 31 equipped with a corresponding female Cam-Lock ™ connector 72 is then placed on the connecting end 12a, which is a male Cam-Lock ™ connector in the non-limiting example shown.

[0099] At step (j), the Cam-Lock™ fitting 70 thus formed is locked by lowering the locking levers of the female connector 72, which connects the pipe 31 to the air insert 10. The female connector 72 presses from top down against the proximal end of the air guide 80, which ensures an airtight seal between the pipe 81 and the air guide 80, possibly via a gasket (not shown).

[0100] The insert is then operational. At step (k) dry air 40a can be blown into the insulation 101 to be dried, or, depending on the use of the air-handling insert, humid air can be extracted from said insulation 101 at step (l).

[0101] The step diagram of the FIG.12 illustrates the steps implemented after the end of the drying-dehumidification process, to neutralize the air-handling insert so that it can be left on the roof terrace for possible later reuse.

[0102] At step (m), the Cam-Lock type fitting 70 is unlocked to disconnect the air line 31, and said line 31 is removed from the connection fitting 12a of the insert 10.

[0103] At step (n), the air tube 80 is removed from the insert by pulling it upwards through the connecting nozzle 12a of the insert 10.

[0104] In step (o), a core 113 made of insulating material, associated with the tubular sleeve 11 of the insert 10, is installed in place of the air guide 80. The core 113 is shaped and sized to fill the air passage duct 13 of said tubular sleeve 11, as well as the core hole 11 that had been made in the insulation 101 of the insulation-sealing assembly to be dried. In other words, the core 113 is longer than the air passage duct 13, and its length (considered in the vertical direction) corresponds approximately to that of said duct plus the thickness of the insulation 101 in order to also fill the core hole 111.

[0105] Then, in step (p), the sealing cap 114 associated with the tubular sleeve 11 of the insert 10 is put in place on the connecting end 12a of said sleeve 11. In the example shown, the cap 114 is a Cam-lock™ cap of type DC (female).

[0106] At step (q), the cap 114 is locked by lowering its locking levers, which ensures the seal of the insert at the free end of the tubular sleeve 11. A tamper-evident seal, for example single-use, can be affixed to allow for the indication, if necessary, of an unauthorized opening of the cap 114. The interested parties (project owner, company holding the drying site, insurer, in particular) may provide for contractual consequences in the event of such an unauthorized opening, such as the loss of the guarantee that the drying process may be associated with.

[0107] A person skilled in the art will appreciate that the methods of implementing the processes described above can be adapted to the specific characteristics of each application concerned, without departing from the teachings of the invention.

[0108] The curves of the diagrams of the FIG.13 , of the FIG.14 and of the FIG.15 , illustrate the results of a drying procedure that can be carried out with the system according to embodiments of the invention described above. The curves of the FIG.13 These diagrams represent a record of values ​​measured continuously or almost continuously over a period of approximately two weeks (or 14 days). On these diagrams, the horizontal axis shows a measure of the elapsed time, expressed in days, from the start of the procedure to a given date. d0 determined. Those of the FIG.14 and of the FIG.15 represent a record of values ​​over a period of approximately three and a half weeks (or approximately 24 days).

[0109] As already mentioned above, a drying-dehumidification procedure can take several weeks, depending on the extent of the water infiltration that has occurred, the volume of the complex to be treated (which is the product of the surface area of ​​the complex by the thickness of the layer(s) of waterproofing material that have absorbed water), the nature of the underlying material and which may determine whether or not drainage by gravity and / or capillarity, the geographical location and the time of year in which the procedure is carried out and which determine the temperature and humidity of the ambient air, the weather which may bring new water ingress in the event of precipitation during the procedure, etc.

[0110] Throughout the procedure, the values ​​measured by the different sensors are recorded continuously or almost continuously (i.e. at determined time intervals, relatively close together, for example at a frequency of between once every 15 minutes and times every hour, or even more frequently.

[0111] The measurements represented by curves 131 and 132 of the FIG.13 relate to relative humidity (RH), expressed as a percentage (%), in the supply air and in the exhaust air, respectively. In other words, curve 131 shows the evolution over time t of the relative humidity of the supply air over a period of approximately 14 days from the start of the drying procedure on date d0, and curve 132 shows the evolution over time of the relative humidity of the air at the extraction during the same period of time.

[0112] In the example shown, between the date d0 and the date d0+ After 12 days, the relative humidity of the supplied air is less than 10%, being approximately 7.5%. From a date marked D3, which is sensitive to the date d0+ Over 12 days, and until the end of the recording period, it rises to approximately 25%. This increase may coincide with a rainy period or localized fog, which causes an increase in ambient relative humidity that exceeds the system's capacity to dehumidify the supply air. If other available weather information indicates that no such humid weather conditions occurred on that date, the reading on curve 131 may indicate a potential malfunction of the supply air dehumidification system.

[0113] The main information regarding the curves of the FIG.13 is given by the measurement record represented by curve 132, relative to the relative humidity of the air extracted from the insulation-sealing system during drying. As can be seen and as shown by the downward dashed arrow 130 which follows the overall evolution of this curve between the date d0+ 3 days and the date d0+ Over 12 days, the relative humidity of the air extracted from the system decreases from approximately 65-70% to approximately 25-40%. This decrease is roughly linear on a daily average basis, but not continuously linear. Instead, drops in the relative humidity of the extracted air are observed at roughly one-time-per-day frequency. These drops can be explained, for example, by the decrease in temperature of the insulation and airtightness system each night, which reduces the efficiency of humidity extraction by the supply of dry air.

[0114] The comparison between the two curves 131 and 132 also provides information of interest to the operator and relevant observers. For example, the fact that the downward trend in relative humidity in the extracted air, represented by the downward arrow 130, comes to a halt at the date D3 might suggest that the drying process is not proceeding properly, without the possibility of realizing, by considering curve 131, that the rise in relative humidity levels from the date D3This can be explained by a rational cause, for example, the occurrence of rain, as illustrated above. Indeed, if the humidity level of the supply air increases due to weather conditions, this provides an objective explanation for the observed increase in the humidity level of the exhaust air. Based on this information, the operator can decide to keep the system running, despite its relative inefficiency in relation to the intended objective. In fact, as soon as the weather conditions improve, curve 132 should begin to decline again, indicating a return to effectiveness of the drying procedure for the insulation and sealing system.

[0115] With reference to the FIG.14 Curves 141 and 142 represent the evolution over time tof the absolute humidity (AH), expressed in grams of water per cubic meter of air (g / m³), of the supply air and the exhaust air, respectively. On these curves, it is primarily the average difference between the absolute humidity of the exhaust air and that of the supply air that constitutes information of interest to the operator and the observers concerned. This difference is represented by a vertical dashed arrow 140, drawn between points on each of the two curves 141 and 142 approximately at the date d0+ 10 days in the example shown.

[0116] More specifically, it is the evolution of this difference over time during the ongoing drying procedure that reflects the effectiveness of said procedure. Indeed, we see that at the beginning of the procedure, on the date d0In the first few days following this observation, the absolute humidity level of the air extracted from the system (curve 142) is significantly higher than that of the supply air (curve 141). In the example shown, the supply air has an absolute humidity level of approximately 5 g / m³, while the extracted air has a humidity level of approximately 15 g / m³. The difference between these two values ​​objectively demonstrates the extraction of moisture within the insulation and airtightness system. Indeed, the extracted air is more humid than the supply air, which objectively means that the air circulating within the insulation and airtightness system becomes saturated with moisture as it passes through the system; in other words, the system dries out. On the other hand, the decrease in difference 140 can be appreciated by observing that the gap between curves 141 and 142 narrows as the number of days in the operational period increases. A person skilled in the art will appreciate that at a certain date D4which occurs approximately d0+ After 22 days, curve 142, which until then had been above curve 141, crosses the latter and then remains below it. In other words, the extracted air (curve 142) becomes less humid than the supplied air (curve 141). This means that, in reality, some moisture, albeit in small quantities, is being delivered to the insulation and sealing system as a result of the procedure. In other words, continuing the procedure becomes counterproductive from that date onward. D4 :The effect obtained becomes the opposite of that which is sought. Considering this information, the operator can make the decision to stop the drying procedure, appreciating that it has produced the desired result and that no further improvement, i.e. no further drying, can be expected if the procedure is continued beyond, but that on the contrary there is a risk of slightly increasing the humidity in the complex.

[0117] Curves 151 and 152 of the FIG.15 are very comparable to curves 141 and 142 of the FIG.14 They show the evolution of the mass of water, expressed as the number of grams of water per kilogram of air (g / kg), in the air supplied and in the air extracted from the insulation-sealing system, respectively. On the FIG.15 The difference between curves 152 and 151 is represented by a vertical arrow 150 in dashed line, comparable to arrow 140 of the FIG.14 The person in the trade will appreciate that this difference decreases day by day between the date d0 and a date D5 which roughly corresponds to d0+ 22 days. Note that the date of the five of the figure 15 and roughly the same as the date D4 of the figure 14 which is obviously consistent.

[0118] In other words, the information represented by the curves of the FIG.15 can be used instead of those represented by the curves of the FIG.14 to decide whether to continue or interrupt the drying-dehumidification procedure of the insulation-sealing system. Alternatively, the information represented by the curves in each of the two figures can be used for comparison to verify that the respective sensors used to produce the corresponding measurements are not defective, or that there is no other problem in the system that would generate an inconsistency between the information represented by the two pairs of curves. FIG.14 and of the FIG.15 , respectively.

[0119] The present invention has been described and illustrated in the present detailed description and in the figures of the accompanying drawings, in various possible embodiments. However, the present invention is not limited to the embodiments presented. Other variations and embodiments can be deduced and implemented by those skilled in the art upon reading this description and the accompanying drawings. Furthermore, while the invention has been described in the context of drying out a roof terrace insulation and waterproofing system, those skilled in the art will appreciate that its principles are also applicable to drying out insulation materials commonly found in floors, subfloors, screeds, wall linings, or drywall partitions.

[0120] In the claims, the term "include" or "comprising" does not exclude other elements or steps. A single processor or several other units may be used to implement the invention. The various features presented and / or claimed may be advantageously combined. Their presence in the description or in different dependent claims does not preclude this possibility. Reference symbols shall not be construed as limiting the scope of the invention.

Claims

1. Air supply and / or extraction insert (10, 10a, 10b) for supplying or extracting air into an insulation-waterproofing system (101-102) of a building (100) comprising at least one layer of insulation material (101) covered by an external waterproofing membrane (102), as part of a drying procedure for said system, the insert being characterized in thatIt consists solely of: • a substantially flat plate (15) comprising at least one through air passage orifice (13a), formed through the plate, for example, substantially at the center of said plate; • a tubular sleeve (11) with an air passage duct (13) extending from a first determined face of the plate, around and in line with the air passage orifice (13a), substantially perpendicular to the plane of the plate (15) and away from said first face of said plate, in which: • the plate has a minimum distance (R1) between an external wall of the tubular sleeve (11) at the level of the first face of the plate, on the one hand, and the peripheral edges of said plate (15), on the other hand, such that said first face of the plate is adapted to receive a sealing coating (30) bonded partly to the plate and partly to the sealing coating (102) of the assembly,straddling and overlapping the boundary between said plate and said sealing coating at said peripheral edges of the plate, when the plate is positioned by its second face, flat on the sealing coating (102) of the assembly to be dried, with the air passage orifice (13a) aligned with a core hole (111) made in said coating in order to expose the layer of insulation material (101) of said assembly, said minimum distance (R1) being defined by applicable technical specifications; • the tubular sleeve is terminated, at its free end (12) opposite the air passage orifice (13a) formed in the plate (15), by an air connection fitting (12a) adapted for connecting an air circulation duct (31) to the air insert (10) during the drying process; and • the tubular sleeve (11) includes a removable associated sealing cap (114),which is adapted to hermetically seal the sleeve in order to allow the air duct insert (10) to be left in place after the drying process.

2. Aerodynamic insert according to claim 1, in which the plate (15) is square in shape with rounded corners.

3. Aerodynamic insert according to claim 1 or claim 2, wherein the face of the plate from which the tubular sleeve extends comprises an intentionally rough surface condition.

4. Aerodynamic insert according to any one of claims 1 to 3, wherein the tubular sleeve (10) includes an associated removable filling sprue (113), made of insulating material, which is of a shape and dimensions adapted to fill the air passage duct (30) in the tubular sleeve (11) before the closure of said tubular sleeve by the associated sealing cap (114).

5. Aerodynamic insert according to any one of claims 1 to 4, wherein the tubular sleeve (10) comprises an associated removable main air guide element (80), having: • the general shape of an elongated hollow tube, terminated at a first (83) of its longitudinal ends by an air exsufflation or air suction strainer (83a); • a longitudinal length greater than the longitudinal length of the air passage duct (13) in the tubular sleeve (11);and, • a section adapted to be introduced into the air passage duct (13) of the tubular sleeve (11) by the free end (12) of said sleeve once the air insert (10) has been put in place and hermetically sealed by its plate (15) on the sealing coating (102) of the insulation-sealing assembly (101,102) to be dried at the right of a core hole made in said coating, so that the strainer (83a) protrudes substantially from the air passage orifice (13a) of the plate (11) and penetrates the insulation material (101) of said assembly.; 6. Aerodynamic insert according to claim 5, wherein the tubular sleeve (10) comprises one or more associated removable air guide extension elements, optionally of different respective sizes, adapted to be coupled to the associated removable main air guide element (80), at the other (82) of the longitudinal ends of said main element (80), opposite the first longitudinal end (83) of said main element (80).

7. Aerodynamic insert according to any one of claims 1 to 6, wherein the aerodynamic connection tip (12) and the associated airtight closure plug of the tubular sleeve (11) comprise means for receiving together a single-use tamper-evident seal (115), affixed where appropriate to indicate any unauthorized removal of said plug as a result of the drying process.

8. A drying system for an insulation-waterproofing complex (101-102) of a building (100), said system (1) comprising at least one supply air insert (10,10a) for supplying dry air into an insulation-waterproofing complex and at least one exhaust air insert (10,10b) for extracting moisture-laden air from said complex, wherein said supply air insert and / or said exhaust air insert is an air insert (10a,10a,10b) conforming to any one of claims 1 to 7.

9. A drying system according to claim 8, further comprising one or more connecting accessories (50, 60), said connecting accessories (50, 60) being adapted for connection to each other, and / or to the air inlets (10, 10a, 10b), and / or to a dry air supply subsystem (20a) and / or to a humid air extraction subsystem (20b) of the system, optionally via one or more manifolds (32a, 32b) of the system, dry air supply ducts (30a) and / or humid air extraction ducts (30b) of the system, each connecting accessory comprising a straight tube portion forming a straight fitting (50) or several non-collinear straight tube portions forming an angled fitting (60), or a "T"-shaped or "U"-shaped fitting, for example, at least some portions of which are equipped with or several sockets (52,62) for the installation of at least one hygrometric sensor (52a) of the system,such as a temperature and / or humidity sensor, for example, or for the installation of at least one pressure gauge or vacuum gauge (62a) of the system for measuring parameters of the air circulating in the connection, including temperature, humidity, air pressure and / or vacuum; • at least one connection accessory (50, 60) being terminated at at least one of the free ends of one of the straight tube sections, by a connection element (53, 54, 63, 64) complementary to the connection element (12a) of the tubular sleeve of the air insert (10, 10a, 10b).

10. Method of implementing an air supply and / or air extraction insert (10,10a,10b) according to any one of claims 1 to 7, for supplying or extracting air into an insulation-sealing complex (101-102) of a building (100) comprising at least one layer of insulation material (101) covered by an external sealing coating (102), as part of a drying procedure for said complex, the method comprising the following steps: • making a core hole in the sealing coating (102) of the insulation-sealing complex (101-102); • the installation of the aerodynamic insert (10) by placing it by its second face, opposite the first face of the plate (11), on the sealing coating (102) with the air passage orifice (13a) at the level of the core hole;• the airtight sealing of the aerodynamic insert (10) by depositing a sealing coating (30) partly on the plate and partly on the sealing coating (102) of the assembly, straddling and overlapping the boundary between said plate and said sealing coating (102) of the assembly, at the level of the peripheral edges of the plate.; 11. Method according to claim 10, further comprising connecting an air circulation duct (31) to the aerodynamic insert (10), by means of the connecting end (12a) of said aerodynamic insert, for carrying out a drying process of the insulation-sealing complex (101-102).

12. A method according to claim 10 or claim 11, further comprising introducing a main air guide element associated with the tubular sleeve (11) of the air insert (10) and as defined in claim 6, into the air passage duct (13) of the tubular sleeve (11) of the air insert (10) through the free end (12) of said sleeve once said air insert (10) has been positioned and hermetically sealed by its plate (15) onto the sealing coating (102) of the insulation-sealing assembly (101, 102) to be dried, at the location of a core hole made in said sealing coating (102), such that the strainer (83a) of the main air guide element protrudes substantially from the air passage orifice (13a) of the plate (11) and penetrates the insulation material. (101) of said complex.

13. Method according to claim 12, further comprising coupling one or more air guide extension elements (80,90) associated with the tubular sleeve (11) of the air insert (10) and as defined in claim 6, where appropriate of different respective sizes, to the main air guide element (80), at the other (82) of the longitudinal ends of said main element (80), opposite to the first longitudinal end (83) of said main element (80).

14. A method according to any one of claims 11 to 13, further comprising the installation of the airtight sealing plug (114) associated with the tubular sleeve (11) of the air insert (10), to hermetically seal said tubular sleeve in order to allow the air insert to be left in place after a drying process.

15. Method according to claim 14, further comprising placing in the air passage duct (30) of the tubular sleeve (11) of the aerodynamic insert (10), a filling sprue (113), made of insulating material, which is of a shape and dimensions adapted to fill said air passage duct (30), before closing said tubular sleeve with the associated airtight closing plug (114).

16. Method according to claim 14 or claim 15, further comprising the application of a single-use tamper-evident seal (115) between the air connection tip (12a) of the tubular sleeve (11) of the air insert (10) and the airtight sealing cap (114) associated with said tubular sleeve (11), in order to indicate any unauthorized removal of said cap as a result of the drying process.

Images