353results about "Build-up roofs" patented technology

The invention discloses a roof waterproof and heat preservation integrated structure which comprises a roof base layer, a roof structural layer set, a parapet wall, a roof embedded sleeve, a rainwater pipe embedded assembly, a steam exhaust pipeline and a roof equipment platform which are sequentially arranged from bottom to top. The roof structure layer set comprises a first waterproof layer, a heat preservation layer, a slope making layer, a leveling layer, a second waterproof layer, an isolation layer and a waterproof protection layer which are sequentially arranged from bottom to top, an outer eave and an inner eave are arranged at the top end of the parapet wall, and the surface base layer exceeds the outer side of the parapet wall. The space between the outer eave of the parapet wall and the surface base layer is filled with a graphite polystyrene board and is used for building autoclaved aerated concrete blocks, and the second waterproof layer is upturned to an internal corner formed by the inner eave of the parapet wall and a vertical wall body of the parapet wall. The design of the outer eave and the inner eave at the top end of the parapet wall is matched with the filled graphite polystyrene boards and the built autoclaved aerated concrete blocks, so that the heat preservation and heat insulation performance of the parapet wall is effectively improved.

The roof equipment foundation comprises the roof equipment foundation, a first waterproof layer and a second waterproof layer, the first waterproof layer is arranged on the surface of a roof structure, and an equipment foundation felt isolation layer is arranged between the first waterproof layer and an equipment foundation expansion base; a roof heat preservation layer is arranged on the outer side of the equipment foundation expansion base, a slope making layer is arranged above the equipment foundation expansion base and the roof heat preservation layer, and the end, connected with the roof equipment foundation, of the slope making layer is not higher than the lower notch. The lower notch is filled with sealant, a reinforcing waterproof layer is arranged at the internal corner between the slope making layer and the roof equipment foundation, and the reinforcing waterproof layer covers the lower notch; the second waterproof layer covers the slope making layer, the reinforcing waterproof layer and the roof equipment foundation, and the upper end of the second waterproof layer covers the upper notch; the problems that according to an existing roof equipment foundation and a waterproof structure thereof, a construction joint is prone to leakage, the integrality of a waterproof layer is poor, a waterproof closing opening is prone to cracking, and the construction cost is high are solved.

The application discloses a waterproof structure of a roof pipeline, which comprises a roof concrete top plate, a pre-embedded protective pipe pre-embedded in the roof concrete top plate and a pipeline located on the inner side of the pre-embedded protective pipe. A micro-expansion fine stone concrete is arranged between the pipeline and the pre-embedded protective pipe. A leveling layer, a waterproof coiled material and a waterproof protective layer are sequentially arranged on the roof concrete top plate from bottom to top. The waterproof coiled material is wrapped on the outer side of the pre-embedded protective pipe. A plugging cover is installed on the top of the pre-embedded protective pipe. A sealing ring is clamped between the plugging cover and the pre-embedded protective pipe. The inner ring of the sealing ring is sealed on the outer side of the pipeline. The plugging cover is installed on the outer side of the pipeline. The sealing ring clamped between the plugging cover and the pre-embedded protective pipe is arranged on the outer side of the pipeline. The inner diameter of the sealing ring is smaller than the outer diameter of the pipeline in a natural state. When the sealing ring is not glued, the middle part of the sealing ring is arranged to be bulged upward. When the pipeline is deformed, the bulged part can be used as compensation, so that the waterproof effect is ensured when thermal expansion and cold contraction occur.

The utility model discloses a kind of slope roof waterproof structures, it is related to roof waterproof technical field, including roof, the centre line of roof ridge, further include: the first layer of coiled material waterproof layer on the roof ridge is laid;Second layer coiled material waterproof layer on the roof is laid, and the first layer coiled material waterproof layer is covered;Multiple coiled material waterproof strips are laid on the second layer coiled material waterproof layer, and equidistant distribution along horizontal direction, and filling groove is formed between adjacent two coiled material waterproof strips;Thermal insulation layer is laid in the filling groove, the top of the thermal insulation layer is fixedly provided with top extension outside filling groove of outer extension portion, and the sidewall contact between adjacent two outer extension portions;Shale coiled material waterproof layer is laid on the top of multiple outer extension portions;Decorative tile is laid on the shale coiled material waterproof layer.The utility model avoids the case that the heat softening phenomenon of pitch under high temperature environment can significantly weaken its waterproof efficiency.

The utility model provides a downpipe anti-freezing device, relates to the technical field of downpipes, and solves the problem of poor anti-freezing effect of downpipes in the north. The device comprises an outer wall body, a roof and a downpipe, the water inlet end of the downpipe extends into a room from the roof, the water outlet end of the downpipe extends out of the room from the outer wall body, and the part, from the wall penetrating position to the water outlet end, of the downpipe is sleeved with a sleeve. A heat conduction cavity used for transferring indoor heat to the outdoor portion of the downpipe is formed between the sleeve and the downpipe, a heat preservation layer is arranged on the outer surface of the outdoor portion of the sleeve, and a shutter baffle assembly is installed on the inner wall face, tightly attached to the outer wall body, between the sleeve and the downpipe. The anti-freezing downpipe has the advantages that indoor temperature is effectively utilized for heat transfer to guarantee that the downpipe is anti-freezing, and the anti-freezing effect is good.

The invention discloses a parapet inner wall wallboard structure and a construction method thereof.The parapet inner wall wallboard structure comprises a composite base plate, a connecting layer and a flashing cover plate, the composite base plate comprises a heat preservation layer and a hydrophobic protection layer covering the outer side surface of the heat preservation layer, and the connecting layer is attached to the inner side and the bottom surface of the heat preservation layer; the flashing cover plate is used for being pasted to the root portion and the inner wall portion of the parapet wall and covers the top of the composite base plate, the flashing cover plate comprises a first extending end and a second extending end, the first extending end extends towards the inner side of the parapet wall and is provided with a fixing structure matched with a parapet wall pre-embedded mounting groove, and the first extending end covers the waterproof layer closing-in portion of the parapet wall in a pressing mode. And the second extending end is bent and extends downwards, and is pressed and attached to the outer surface of the hydrophobic protective layer, so that the technical problems that in the prior art, a parapet inner wall heat preservation waterproof structure is multiple in layer, complex in construction step and low in efficiency are solved.

The invention relates to a roof waterproof system based on ultra-high-performance concrete waterproof layers, which is characterized in that at least one ultra-high-performance concrete waterproof layer is arranged on a roof, and the ultra-high-performance concrete waterproof layer is not provided with a dividing joint; the ultra-high performance concrete waterproof layer serves as a part of the structural layer and forms a composite waterproof layer with the common reinforced concrete layer of the structural layer. Or the ultra-high-performance concrete waterproof layer is laid on the structural layer, the slope making layer or the heat preservation layer to form an ultra-high-performance concrete independent waterproof layer; when the ultra-high performance concrete independent waterproof layer is arranged on the structural layer or the slope making layer, the leveling layer can be canceled; when the ultra-high-performance concrete independent waterproof layer is arranged on the heat preservation layer, the isolation layer is arranged between the ultra-high-performance concrete independent waterproof layer and the heat preservation layer, the ultra-high-performance concrete independent waterproof layer has waterproof and protection functions, and a protection layer can be omitted. The long-acting waterproof goal that the roof is waterproof and the building structure has the same service life is achieved, the roof structure level is simplified, the construction efficiency and the engineering quality are improved, and the construction cost is reduced.

The utility model provides a kind of sandwich waterproof thermal insulation structure of outdoor stair, not only ensure the continuity of outdoor stair insulation layer and waterproof layer laying, effectively protect the working performance of structure layer, also improve construction efficiency, avoid the construction cycle extension problem possibly caused by complex due to height difference change. The leveling layer is fixed on the upper surface of roof panel, and the stair surface layer plate is fixed on the upper surface of stair tread plate;The waterproof layer and the insulation layer are arranged between the leveling layer and the stair tread plate, the waterproof layer is fixed on the upper surface of the leveling layer, the insulation layer is fixed on the upper surface of the waterproof layer, and the stair tread plate is fixed on the upper surface of the insulation layer;It further includes vertical planting, vertical planting is sequentially implanted roof panel, leveling layer, waterproof layer, insulation layer and stair tread plate;Longitudinal reinforcement is embedded in the insulation layer, and the longitudinal reinforcement is fixed with the vertical planting in the insulation layer;Bidirectional steel mesh is embedded in the stair tread plate, and the bidirectional steel mesh is fixed with the vertical planting in the stair tread plate.

The utility model discloses an automobile parking shed, which aims at providing a comfortable and safe automobile parking shed, and has the technical scheme that the automobile parking shed comprises a main body frame formed by connecting a plurality of supporting components through connecting rods, and each group of supporting components at least comprises two vertical rods, two transverse rods and a bent rod, one end of each transverse rod is of an arc-shaped structure and fixedly connected with the corresponding vertical rod, the other end of each transverse rod is fixedly connected with the corresponding bent rod, a shed cover of a multi-layer structure is arranged on the main body frame, U-shaped water guiding grooves are formed in the two sides of the shed cover along the edges, drainage slopes are arranged at the bottoms of the water guiding grooves, and drainage pipes are arranged in the vertical rods. A water outlet matched with the drainage pipe is formed in the bottom of the water guide groove, the water guide groove is further provided with a filtering assembly, and the filtering assembly comprises a filtering plate arranged above the water guide groove and a filtering net arranged at the drainage port. The utility model is applicable to the technical field of parking sheds.

The utility model relates to the technical field of roofs, and discloses a novel assembly type waterproof heat preservation roof which is characterized in that non-cured rubber asphalt waterproof paint is arranged on a roof structural plate; the tire-free self-adhesive waterproof coiled material is arranged on the non-cured rubber asphalt waterproof coating; the double-layer PIR insulation board is arranged on the tire-free self-adhesive waterproof coiled material; the TPO polymer waterproof coiled material is arranged on the double-layer PIR insulation board; the sand cement layer is arranged on the TPO polymer waterproof coiled material; the roof decorative bricks and the pebbles are arranged on the sand-lime layer; the rod body I is arranged on the roof decoration brick through the mounting seat; the first fixing hole is formed in the first rod body; the second rod body is arranged on the first rod body in a sliding mode, a plurality of second fixing holes are formed in the second rod body, and the first fixing holes and the second fixing holes are fixedly connected through bolts and nuts; the rainproof shed is rotationally arranged on the second rod body through a connecting piece. All the components are matched, and the problem that an original roof structure needs to be integrally renovated during maintenance is solved.

The utility model relates to the technical field of color steel plate splicing, and discloses a splicing structure of a color steel sandwich plate, which comprises two color steel plates, the left side of one of the color steel plates is fixedly connected with a positioning component for mounting the other color steel plate, the top end of the left side of one of the color steel plates is fixedly connected with a plurality of connecting blocks, and the connecting blocks are fixedly connected with the top end of the right side of the other color steel plate. A clamping groove is formed in the bottom of the left side of the connecting block, a plurality of mounting shells are fixedly connected to the interior of the right side of the other color steel plate, a connecting plate is fixedly connected to the bottom end of the interior of each mounting shell, a supporting plate is fixedly connected to the top of each connecting plate, and a limiting groove is formed in the top of each supporting plate. According to the utility model, the engineering project can be delivered and used more quickly, the time cost is reduced, the working efficiency can be improved by quick splicing, more workload can be completed within limited time, the flexibility of the construction process can be enhanced, and field changes can be coped with in time.

The invention relates to the technical field of waterproof coiled material laying, in particular to a roof structure for laying thermoplastic polyolefin waterproof coiled materials and a laying method thereof.The roof structure comprises a roof structure layer and further comprises a leveling layer arranged on the roof structure layer; the waterproof roll layer is arranged on the leveling layer, and the waterproof roll layer is a laminated composite material and comprises a thermoplastic polyolefin surface layer, a reinforcing layer and an asphalt self-adhesion bottom layer; wherein the reinforcing layer is made of one of a polyester base, glass fiber gridding cloth or polypropylene fiber cloth. According to the waterproof coiled material, the waterproof coiled material layer formed by compounding the thermoplastic polyolefin surface layer, the reinforcing layer and the asphalt self-adhesion bottom layer is adopted, advantage complementation of properties of different materials is achieved, and the thermoplastic polyolefin surface layer endows the coiled material with excellent weather resistance, chemical corrosion resistance and reflective insulation effect; the reinforcing layer improves the overall mechanical strength, tear resistance and dimensional stability of the coiled material.

The invention relates to a method of making an acoustic product and a novel acoustic product, wherein the acoustic product is made by adhering a facing to a first major surface of an acoustic insulation element by the use of an adhesive and curing the adhesive. The adhesive is an aqueous adhesive composition which is free of phenol and formaldehyde and comprises:a component (i) in form of one or more lignosulfonate lignins having a carboxylic acid group content of 0.03 to 2.0 mmol / g, such as 0.03 to 1.4 mmol / g, such as 0.075 to 2.0 mmol / g, such as 0.075 to 1.4 mmol / g, based on the dry weight of the lignosulfonate lignins,a component (ii) in form of one or more cross-linkers.

The invention belongs to the technical field of building engineering, and particularly relates to an integrated heat-insulation and waterproof housing building roof construction structure and process. The composite functional layer is formed by prefabricating a reaction type bonding bottom layer, a closed-cell foaming heat insulation core layer and a self-crosslinking macromolecule waterproof surface layer in a factory, and seamless connection between boards is achieved by pouring a joint treating agent on site. All the layers form a whole through chemical bonding and physical build-in. In the invention, through systematic integration of material selection, interface design and construction process, an integrated roof system of a structure body, namely a functional carrier, is successfully constructed, high collaboration of heat insulation and waterproof functions in physical, chemical and mechanical aspects is realized, and a high-durability, low-energy-consumption and high-efficiency roof solution is provided for modern green buildings.

The utility model discloses a Wa nationality style aluminum couch pitched roof decoration structure, and relates to the technical field of roof decoration, in particular to a Wa nationality style aluminum couch pitched roof decoration structure which comprises a steel frame, arc-shaped supports are welded to the two sides of the steel frame, and reinforced concrete roof panels are poured on the inner walls of the steel frame and the arc-shaped supports. The surface of the reinforced concrete roof panel is coated with an A cement mortar leveling layer. During use, the reinforced concrete roof panel is used for pouring and leveling to support the top of the roof, waterproof and other procedures are performed, and finally, the double-layer aluminum thatch tiles are flatly laid and fixed on the galvanized steel sheet, so that the effect of imitating the traditional building modeling and conforming to the modern building forming quality is achieved; in addition, the aluminum thatch slope roof modeling, partially reflecting national building characteristics, of the Wa nationality building is met, meanwhile, the double-layer aluminum thatch tiles are adopted, the imitation effect is achieved, the situation that traditional thatch is damaged after being exposed to water is reduced, and the decoration effect is greatly improved.

The present invention is directed to a solid state binder composition, in particular for preparing mineral fiber products.

The utility model discloses a root-resistant waterproof basement roof landscape planting roof structure which comprises a structural layer, a supporting frame is placed at the upper end of a filtering layer, the interior and the exterior of the supporting frame are filled with vegetation soil layers, the inner wall of the supporting frame is fixedly connected with a threaded installation groove, and a planting bin is installed on the inner wall of the threaded installation groove in an inserted mode. According to the root-puncture-resistant waterproof basement roof landscape planting roof structure, the planting pool can be reinforced and mounted through the reinforcing blocks and the cement mounting layer, the planting pool is an integrally-formed steel mechanism and is good in stability, the vegetation soil layer can be supported through the supporting frame, soil is prevented from being too compact, growth is not affected, and the service life of the planting pool is prolonged. Cultivation can be facilitated through the planting bin, root extension can be effectively prevented through the planting bin and the supporting frame, the planting bin can be rapidly and independently disassembled and assembled through the threaded mounting groove, the root puncture resistant waterproof roll is conveniently and stably adhered through the adhesion fixing block, replacement and use are convenient, and the use effect is good.

The utility model relates to a stepped parapet wall with a buffering green plant planting structure, and relates to the field of parapet walls. The roof comprises a roof plate and a parapet wall arranged on the upper end face of the roof plate, a waterproof layer is laid on the upper end face of the roof plate, a step buffering table is arranged between the waterproof layer and the parapet wall, a triangular net rack is installed on the outer side face of the step buffering table, and the bottom face of the triangular net rack is attached to the waterproof layer. And the vertical edge of the triangular net rack is attached and fixed to the step buffer table. According to the roof structure, the step buffer table is arranged between the traditional roof plate and the parapet wall, the impact of rainwater is reduced through the step buffer table, through the synergistic effect of all the components, the good buffer performance is achieved, the waterproof layer can be effectively protected, and damage of rainwater to the roof structure is reduced. And meanwhile, a water source on the roof can be better discharged and utilized through the stepped buffer table.

A method of constructing a waterproof layer on a roof deck includes applying an array of coverboards covering the roof deck and a water impermeable membrane. In a leak detection method, an electrical potential is applied between a conductive detector on top of the membrane and a conductor below the membrane such that current flows between the conductor and the conductive detector through moisture or liquid in any leak in the membrane. Each coverboard comprises a base layer of an electrically non-conductive support and insulating material with an upper surface which has laminated thereto a facer sheet material which is formed of an electrically non-conductive material which can be fibers in a binder with an electrically conducting material mixed into the binder.

The present invention relates to the technical field of roof installation, and specifically discloses a fish-scale superimposed roof installation structure and a construction method. The roof installation structure includes structural purlins, purlin brackets installed on the structural purlins, a main purlin assembly installed on the purlin brackets, secondary purlins for connecting two adjacent main purlin assemblies, multiple sets of supports installed on the secondary purlins, a waterproof and thermal insulation layer provided between the structural purlins and the main purlin assembly, an adjustable support member provided on the structural purlins and used to support the waterproof and thermal insulation layer, and a roof decorative panel. One end of the purlin bracket passes through the waterproof and thermal insulation layer and is connected to the main purlin. A gap is formed between adjacent roof decorative panels. The present invention also discloses an installation method. The present invention corrects steel structure installation errors by adjusting the installation positions of the purlin brackets, the adapter, and the supports. When installing other components of the roof installation structure, only bolt assembly and fixation are required, without the need for repositioning, greatly improving installation efficiency.

Provided herein are methods and systems for improved material sample analysis and quality control. A computing device may receive sample data associated with a plurality of material samples. The computing device may determine a first subset of the plurality of material samples and a second subset of the plurality of material samples. The computing device may determine the first subset based on a plurality of reference values and a plurality of analysis thresholds. The first subset may include samples associated with acceptable XRF spectra. The second subset may include samples associated with unacceptable XRF spectra. The computing device may generate and manipulate charts, graphs, or other visual displays of the data underlying the first subset and / or the second subset.

The present invention relates to a sports field comprising:(i) a lower base layer;(ii) an upper grass and / or artificial grass layer;(iii) a shock pad layer, positioned between the base layer and the grass or artificial grass layer;wherein the shock pad layer comprises at least one shock pad comprising a coherent plate having upper and lower major surfaces, wherein the coherent plate comprises at least one coherent layer comprising man-made vitreous fibres (MMVF) bonded with a cured aqueous binder composition free of phenol and formaldehyde; wherein the aqueous binder composition prior to curing comprises:a component (i) in form of one or more lignosulfonate lignins having a carboxylic acid group content of 0.03 to 1.4 mmol / g, based on the dry weight of the lignosulfonate lignins,a component (ii) in form of one or more cross-linkers.

The utility model discloses a kind of support adjusting structures of tile sloping roof, including the steel pipe frame (1) being set to wall body outside, the steel pipe frame (1) is equipped with multiple longitudinal water-following strips (3), longitudinal water-following strip (3) is equipped with multiple horizontal hanging tile strips (4), and horizontal hanging tile strip (4) is equipped with tile (5);Multiple screw rods (6) are equipped on longitudinal water-following strip (3), and longitudinal water-following strip (3) is fixedly connected with sloping roof and steel pipe frame (1) by screw rod (6) respectively;Screw rod (6) is matched with a pair of nut (7), and two nuts (7) are respectively close to the upper and lower surfaces of longitudinal water-following strip (3).The utility model can conveniently adjust the support spacing between tile and sloping roof according to actual installation demand, help to improve the flexibility of use.

The present invention discloses a construction method for an inverted roof anti-cracking protective layer structure, the method comprising the following steps: performing secondary smoothing and calendering on the floor slab concrete of the roof structure layer, constructing a waterproof layer, constructing the sides and separation joints of the drainage ditch, constructing a thermal insulation layer and an isolation layer, laying a steel mesh on the surface of the isolation layer, constructing a protective layer, sealing the separation joints and the drainage ditch, and constructing a finishing layer; by arranging separation joints on the waterproof layer, the separation joints are connected from top to bottom, and constructing a slope layer and a rigid waterproof protective layer through the separation joints, it is beneficial to simplify the construction process, reduce the construction budget, and improve construction efficiency; using the separation joints as ribs for the protective layer can reduce the difficulty of controlling the flatness and slope of the slope layer; merging the slope layer into the rigid waterproof protective layer can increase the thickness of the rigid waterproof protective layer, prevent large-scale cracking of the concrete of the rigid waterproof protective layer, and improve the construction quality of the inverted roof and prevent water seepage from the roof.

The utility model provides an inverted roof anti-cracking protective layer structure, which relates to the field of constructional engineering, and comprises a base layer, a protective structure layer is paved on the upper surface of the base layer, the protective structure layer comprises a waterproof layer, an anti-cracking layer is paved on the upper surface of the waterproof layer, a thermal insulation layer is paved on the upper surface of the anti-cracking layer, and a waterproof layer is paved on the upper surface of the thermal insulation layer. A protective layer is laid on the upper surface of the heat preservation layer, and a drainage layer is laid on the upper surface of the protective layer. According to the inverted type roof anti-cracking protective layer structure, the anti-cracking layer is laid on the upper surface of the waterproof layer, polymer modified mortar in the anti-cracking layer can improve the flexibility and binding power of the waterproof layer, and therefore the anti-cracking performance of the waterproof layer is enhanced, and the protective layer is laid on the upper surface of the heat preservation layer, so that the anti-cracking performance of the waterproof layer is improved. The heat preservation layer can be prevented from being damaged by mechanical damage and ultraviolet rays, and therefore the problem that a traditional inverted roof is prone to cracking is solved under the action of compounding of a plurality of materials.

Method for the new construction of thermally insulated flat roofs with improved fire protection comprising the steps of: a) providing a flat roof structure with a vapor barrier, and b) applying an intumescent roof waterproofing membrane directly or indirectly to thermal insulation, wherein the intumescent roof waterproofing membrane is based on liquid polymers in liquid form with an intumescent additive; c) erecting a framework with a photovoltaic system on the intumescent roof waterproofing membrane.

The utility model belongs to the technical field of building steel structures, and particularly relates to a steel structure engineering roof clerestory waterproof structure which comprises a steel structure body, a clerestory body arranged at the upper end of the steel structure body, a rain baffle arranged at the top end of the clerestory body, a water guide groove formed in the inner wall of the upper surface of the steel structure body, and a guide pipe arranged at one end of the steel structure body. A clamping block is arranged on one side of the steel structure body, a through hole is formed in the inner wall of the clamping block, a clamping groove is formed in the inner wall of the other side of the steel structure body, and a fixing bolt is arranged above the clamping groove. By arranging the clamping blocks, the through holes, the clamping grooves, the fixing bolts and the screw holes, when the steel structure body is installed, the clamping block arranged on one side of the steel structure body is inserted into the clamping groove formed in one side of the other steel structure body, and then the bottom ends of the fixing bolts penetrate through the inner walls of the through holes to be connected with the screw holes; in this way, the connection sealing performance between the clamping blocks and the clamping grooves can be improved, and the waterproof effect of the clerestory body is improved.

The utility model discloses an assembly type roof waterproof and heat preservation integrated plate which comprises a first waterproof layer arranged on the base face of the top of a building and a second waterproof layer arranged on the first waterproof layer, and a plurality of integrated plates arranged in a matrix mode are installed on the second waterproof layer. Each integrated plate is formed by mutually embedding and fixing a thermal insulation layer and a surface layer, and a relay drainage mechanism is arranged between the integrated plates; a gutter is arranged on the outer edge of the base face of the top of the building, the relay drainage mechanism is communicated with the inner edge of the gutter, and rainwater is drained into the gutter through the relay drainage mechanism. According to the assembly type roof waterproof and heat preservation integrated board, the integrated board is arranged on the double waterproof layers, the integrated board is matched with the relay drainage mechanism to be installed on the building roof, a drainage channel is formed between every two adjacent integrated boards, and therefore when it rains, rainwater can be effectively drained into a gutter from the upper faces of the integrated boards, and the drainage performance is good.

The application relates to the technical field of roof waterproofing, in particular to an assembly type roof waterproofing structure and system based on inclined guide flow drainage, which is applied to a conical roof and comprises waterproof partitions, fixed frame bodies, movable frame bodies for fixing the waterproof partitions, buffer assemblies arranged between each movable frame body and a corresponding fixed frame body, and rainwater dispersers arranged on the outer sides of each waterproof partition. The rainwater dispersers can uniformly disperse the raindrops of initial rainfall, effectively relieve the kinetic energy of rainwater directly impacting the waterproof partitions, and promote the rainwater to form slight turbulent flow through the wave-shaped guide grooves on the waterproof partitions, so that the scouring effect caused by concentrated water flow is avoided. In combination with the buffer assemblies, the impact force borne by the waterproof partitions can be effectively absorbed and dispersed, and the stability of the waterproof partitions under extreme weather is ensured.

The present invention relates to a roofing system for flat or flat-sloped roofs of buildings with thermal and / or acoustic insulation, comprising a structural support, a deck, optionally a vapor control layer, a waterproofing membrane and at least one insulation element which is a bonded mineral fibre product made of mineral fibres, preferably asbestos fibres, and a hardened aqueous binder, the aqueous binder composition comprising, before hardening, component (i) in the form of one or more lignosulfonic acid lignins having a carboxylic acid group content of 0.03 to 2.0 mmol / g, based on the dry weight of the lignosulfonic acid lignin, and component (ii) in the form of one or more crosslinkers, the insulation element having a thermal and / or acoustic insulation material of 70 kg / m 3 ~250kg / m 3 The present invention relates to a roofing system having a bulk density of