198 results about "Vapor barrier" patented technology

A wall fastener assembly for use with a building wall system, with the wall fastener assembly including a fastener and an elongated, semi-rigid seal member. The fastener includes a shaft and a head, with the fastener configured to be secured to the wall system. The seal member includes opposed first and second ends, and a center bore that extends along the length of the seal member and is configured to receive the shaft of the fastener. When the fastener is secured to the wall system the first end of the seal member is configured to compress against a portion of the wall system, such as against a vapor barrier, to form a first seal and the opposite second end of the seal member is configured to form a second seal to thereby seal the wall fastener assembly against the wall system.

The utility model provides a wall decorating plate, which belongs to the technical field of decorating plates and comprises a decorating plate and a protective component, the protective component comprises a sound insulation layer arranged at one end of the inner wall of the decorating plate, the sound insulation layer is made of sound insulation cotton, a damp-proof layer is arranged at one end of the sound insulation layer and is made of plywood, and a heat insulation layer is arranged at one end of the damp-proof layer. The sound insulation decorative plate has the advantages that due to the fact that the sound insulation layer is arranged, a user can conveniently utilize the sound insulation layer to enable the decorative plate to be capable of insulating sound, absorbing sound and obstructing sound transmission when the decorative plate is used, noise interference is reduced, and the sound insulation decorative plate is good in sound insulation effect and good in sound insulation effect. And the sound insulation cotton further has certain heat preservation performance, heat transfer can be reduced, and the indoor temperature can be kept stable.

The invention relates to the technical field of wall construction, and discloses a technological construction method of a metal facing and thermal insulation layer composite wall, which comprises the following steps: selecting a thermal insulation layer material: adopting a composite thermal insulation material with low thermal conductivity, good waterproofness and higher toughness, such as high-performance polyurethane foam or polystyrene foam, so that the thermal insulation performance is better; by optimizing the material of the thermal insulation layer and selecting the metal veneer, the thermal insulation performance of the wall body is greatly improved, the thermal bridge effect can be effectively reduced, the temperature stability of a building in different seasons is ensured, and therefore the energy consumption of an air conditioner and heating is reduced, and the energy-saving effect is achieved. And secondly, a metal-contact-free design and a floating connection mode are adopted, so that the problems of thermal bridge and structural deformation are effectively eliminated, and the overall thermal insulation performance and crack resistance of the wall body are improved. In addition, due to the built-in damp-proof layer and the waterproof design, the heat preservation layer is prevented from being affected with damp, the service life of the wall is prolonged, and the risks of corrosion and mildew are reduced.

The utility model discloses a multilayer composite enamel aluminum plate sound insulation and heat insulation structure which comprises a composite enamel aluminum plate body and installation lugs arranged on the two sides of the composite enamel aluminum plate body, and the composite enamel aluminum plate body comprises a base layer, a sound insulation layer, a heat insulation layer, a vacuum layer, a backing layer and a damp-proof layer. The composite enamel aluminum plate body is formed by compositing a base layer, a sound insulation layer, a heat insulation layer, a vacuum layer, a backing layer and a damp-proof layer. The weather resistance, the corrosion resistance and the structural strength of the enamel aluminum plate are improved by arranging the base layer, noise transmission can be reduced by arranging the sound insulation layer, meanwhile, the glass wool has good fireproof performance, so that the safety of the enamel aluminum plate is improved, the high-density glass wool can be recycled, and the cost is reduced. And the heat insulation layer is arranged, so that the heat insulation and durability of the enamel aluminum plate are improved.

The utility model discloses a prefabricated protective layer and steel wire net rack integrated insulation board, which relates to the technical field of building engineering insulation boards and comprises a connecting part, a fixing part, a steel wire net rack, a protective layer, a damp-proof layer, an insect-proof layer and an insulation layer. By arranging the connecting part and the fixing part, the positions of the damp-proof layer, the insect-proof layer and the heat preservation layer can be flexibly adjusted according to the actual construction geographical position requirement, the installation mode is convenient and fast, and the environmental adaptability and the construction efficiency are improved; by arranging the insect prevention layer, insect prevention and control drugs can be flexibly replaced according to actual geographic positions, measures are adjusted according to local conditions, the insect prevention effect is improved, and applicability is improved; through the arrangement of the connecting parts and the fixing parts, all the parts can be tightly fixed, the heat preservation layer is prevented from being separated from concrete in the pouring process, and therefore the building quality is guaranteed; all the components are arranged in a detachable mode, so that the installation flexibility is improved, and the applicability and the installation efficiency are enhanced.

A peel and stick temporary roofing assembly, including: an air / vapor barrier membrane; top and bottom adhesive layers on the air / vapor barrier membrane; and top and bottom release layers. The peel and stick temporary roofing assembly is incorporated into a permanent roofing assembly by securing an insulation board and a roofing membrane thereover.

The utility model relates to the technical field of building water supply and drainage pipelines, in particular to an anti-condensation structure of a building water supply and drainage pipeline. Comprising a pipeline body, the outer side of the pipeline body is coated with a protective coating, the outer side of the pipeline body is sleeved with a heat preservation layer, a plastic connecting piece is installed on the outer side of the heat preservation layer, a heat insulation layer adheres to the lower portion of the plastic connecting piece, and damp-proof layers are arranged on the outer side of the plastic connecting piece and the outer side of the heat preservation layer correspondingly; and fixing bolts are inserted into the two sides of the plastic connecting piece. The convex blocks arranged on the inner sides of the heat insulation layers increase friction force between the heat insulation layers and the heat preservation layers, meanwhile, the convex blocks in the middles of the plastic connecting pieces can fill the connecting positions of the heat preservation layers, and the sealing performance of the connecting positions of the heat preservation layers can be effectively guaranteed in the mode. And therefore, water vapor invasion caused by untight lap joint at the joint of the heat preservation layers is effectively avoided, and the influence on the pipeline and the sanitation problem are reduced.

The utility model discloses a low-energy-consumption airtight heat preservation structure for a pipeline out of a roof. The airtight heat preservation structure comprises a roof plate, a roof heat preservation layer, a pipeline, a sleeve, a first pipeline heat preservation layer, a second pipeline heat preservation layer, an indoor waterproof layer, an outdoor waterproof layer, an additional waterproof layer, a vapor barrier layer and a waterproof cover. The sleeve is made of UPVC (Unplasticized Polyvinyl Chloride) and is pre-embedded in the roof The pipeline penetrates through the sleeve, and the top of the pipeline is not lower than the top of the sleeve; a first pipeline thermal insulation layer is arranged in an area between the sleeve and the pipeline; an indoor waterproof layer is arranged at the bottom of the first pipeline heat preservation layer. The indoor part of the pipeline is wrapped with a second pipeline heat preservation layer. The roof insulating layer is laid above the roof panel, a vapor barrier layer is laid at the bottom of the roof insulating layer, and an outdoor waterproof layer and an additional waterproof layer are laid at the top of the roof insulating layer; at the joint of the top of the roof heat preservation layer and the sleeve, the outdoor waterproof layer is folded upwards and extends upwards along the outer wall of the sleeve; a waterproof cover is arranged on the outer wall of the sleeve and located at the closing-up position of the vertical extending section of the outdoor waterproof layer.

The utility model discloses a green building energy-saving composite wall structure which comprises a first panel and a second panel, a sound insulation layer is arranged between the first panel and the second panel, a first heat insulation layer is arranged between the sound insulation layer and the first panel, and a second heat insulation layer is arranged between the second panel and the sound insulation layer. Facing layers are arranged on the outer walls of the sides, away from each other, of the first panel and the second panel, a damp-proof layer is arranged on one side of each facing layer, a stain-resistant layer is arranged on one side of each damp-proof layer, and a connecting assembly is arranged between the first panel and the second panel. Through the arrangement of the first heat insulation layer and the second heat insulation layer, the heat insulation and energy saving effects of the wall can be achieved, the environment-friendly effect that paint spraying is not needed after the wall is constructed can be achieved through the facing layer, the good sound insulation effect of the wall can be achieved through the sound insulation layer, and therefore the performance of the composite wall is more excellent.

This invention belongs to the field of underfloor heating installation technology, and relates to a process for installing underfloor heating in bathrooms. The process includes: covering the original structural layer with a vapor barrier insulation layer; pouring cement mortar onto the vapor barrier insulation layer and curing it to form a leveling layer; laying modular underfloor heating panels on the leveling layer, leaving expansion joints between the panels, filling the expansion joints with elastic sealant; laying fine-mesh steel wire mesh on the modular underfloor heating panels; pouring heat-conducting mortar onto the fine-mesh steel wire mesh and curing it to form a heat-conducting layer; applying a waterproof coating to the heat-conducting layer and allowing it to dry to form a waterproof layer; and finally, laying tiles on the waterproof layer. The installation process provided by this invention achieves the comprehensive goals of ensuring floor structural safety, reliable waterproofing, and long-lasting thermal comfort, significantly extending the service life of the bathroom underfloor heating system.

The utility model discloses an installation device for a passive window vapor barrier film, relates to the technical field of vapor barrier film installation, and particularly aims to solve the problems that in the prior art, manual installation of the vapor barrier film is large in workload and low in efficiency. Comprising a handle, a mounting frame and a vapor barrier film mounting piece, the mounting frame is arranged at the end of the handle, and the vapor barrier film mounting piece is arranged in the mounting frame; during use, the handle is held by hand to push the vapor-proof film mounting piece to move back and forth on the passive window vapor-proof film to extrude the passive window vapor-proof film, so that the passive window vapor-proof film is quickly and firmly attached to the side edge of a window body, and the problems existing in the background technology are solved.

The utility model relates to the technical field of damp-proof and dry maintaining devices, in particular to a building underground structure damp-proof and dry maintaining device which comprises a basement wall body, the inner wall of the wall body is coated with a damp-proof coating to reduce the damp risk of the wall body, and a damp-proof layer is fixedly arranged on the outer side of the wall body to effectively prevent underground water or rainwater from leaking. Meanwhile, the interior of the basement is kept dry and comfortable, a heat preservation layer is fixedly arranged on one side of the damp-proof layer, a waterproof and vapor-proof layer is arranged on one side of the heat preservation layer, moisture and water vapor are prevented from entering the basement through dual protection, an empty layer and a pipeline are arranged between the heat preservation layer and the waterproof and vapor-proof layer, and moisture is allowed to enter the interior of the pipeline from the empty layer; the water-proof and vapor-proof layer is used for pumping water and discharging the water to the outside through a negative pressure pumping device, dry air is introduced, the humidity of the empty layer and the wall body is reduced, the dry state is maintained, a flow guide plate used for preliminary moisture prevention is fixedly arranged on one side of the water-proof and vapor-proof layer, and a fixing box used for collecting permeated water is clamped to the bottom of the flow guide plate.

A building drainage roof with a circumferential self-sealing composite structure is characterized in that the upper end of a galvanized pipe is connected with a conical pipe, a damp-proof layer is arranged on the outer surface of a roof floor, the damp-proof layer is attached to the outer side wall of the conical pipe, a heat preservation layer is arranged on the upper side of the damp-proof layer, and a sound insulation layer is arranged on the upper side of the heat preservation layer. The outer upper side wall of the conical pipe makes contact with a sound insulation layer, a hardened layer is arranged on the upper side of the sound insulation layer, a roof waterproof layer is arranged on the upper side of the hardened layer, an additional waterproof layer is arranged at the bottom of the roof waterproof layer and connected with the inner side wall of the conical pipe, and a circumferential sealing type middle drainage buckle cover is installed at the upper end of the conical pipe. The outer side wall of the roof waterproof layer is connected with the outer side wall of the circumferential sealing type middle drainage buckle cover. Sealing between the roof and the rainwater pipe is achieved, meanwhile, circumferential heat preservation, sound insulation and waterproof performance between the roof and the rainwater pipe can be achieved, filtering can be achieved when rainwater is drained, and the situation that the rainwater pipe is blocked due to blocking of sheet-shaped blocking objects is avoided.

The invention provides a PEVA waterproof vapor-proof film and a preparation method thereof, and the PEVA waterproof vapor-proof film comprises the following components by weight: 62-78 parts of a polyethylene-vinyl acetate copolymer, 5-12 parts of a flexibilizer, 5-10 parts of a waterproof vapor-proof auxiliary agent, 1-3 parts of an antioxidant, 0.5-2 parts of a light stabilizer, and 1-2 parts of a lubricant. According to the invention, the content of each component is regulated and controlled, so that the mechanical properties and waterproof and vapor-proof properties of the PEVA waterproof and vapor-proof film are effectively enhanced, the toughening without rigidity reduction is realized, and the weather resistance of the waterproof and vapor-proof film is improved; finally, all the components are uniformly dispersed in combination with a gradient temperature control calendering process, an efficient waterproof vapor-proof structure is formed, and experiments prove that the water vapor permeability of the PEVA waterproof vapor-proof film is smaller than 1.5 g / m < 2 >. 24h, the hydrostatic pressure resistance is larger than 150kPa, the tensile strength reaches 12-18MPa, the elongation at break is not lower than 500%, the thickness deviation of the 0.05-0.2 mm film is controlled to be smaller than + / -5%, and the waterproof vapor-proof film has the good waterproof vapor-proof performance. And the stability in the machining process and the consistency of the product quality are also improved while good mechanical properties are guaranteed.

The utility model discloses an SPC stone-plastic floor with a load dispersing structure, which relates to the field of building materials, and comprises an SPC stone-plastic floor body with the load dispersing structure, a damp-proof layer and the like, the SPC stone-plastic floor is provided with the load dispersing structure, and the load dispersing structure can uniformly disperse stress points to a larger area, so that the stress points can be uniformly dispersed to the larger area. The floor has the advantages that the possibility of deformation and cracking of the floor is effectively reduced, the stability of the floor is improved, the anti-skid grooves and the protrusions are installed on the floor, the anti-skid grooves can increase the friction force of the surface of the floor, the slip risk of people during walking is reduced, the safety of the floor is improved, and the floor is particularly suitable for the humid or easily-slippery environment; the damp-proof layer can effectively isolate water vapor between the floor and the ground and keep the floor dry, and therefore the problems that the floor is affected with damp and decayed are solved.

The present application relates to the technical field of ceiling board, especially relates to a kind of assembled wood-plastic ceiling board, a kind of assembled wood-plastic ceiling board, including main body, horizontal plate, connecting plate, clamping slot, concave plate, moisture-proof layer, sound insulation cotton, trapezoidal groove, limiting slot, rectangular block and T slot, the inner wall of the main body is fixedly connected with horizontal plate, and the upper and lower surfaces of horizontal plate are fixedly connected with connecting plate, the bottom left and right ends of the main body are provided with clamping slot.The U-shaped plate and sliding groove are set in the present application, which simplifies the installation steps of the ceiling board, avoids the existing ceiling installation method from producing a large amount of noise and dust pollution during work, and the construction process is very cumbersome, a large amount of labor is wasted, the working efficiency is improved, the U-shaped plate and keel are clamped by rotating the nut and separating the nut from the threaded column, the bolt column is threaded through the sliding groove and limited by rotating the nut, a large amount of noise and dust pollution is avoided during work, the working efficiency and actual use effect are improved.

The invention relates to a planar web (1) for the construction sector, comprising at least two layers, wherein one layer (2) is moisture-variable and comprises a polyamide material, and the other layer (3) is essentially moisture-independent. According to the invention, the polyamide material is a polyamide of polyamide type 4.6.

The utility model discloses a rigid steel structure roof waterproof structure which comprises roof wingceltis strips which are C-shaped channel steel and are distributed at the top end of a steel structure house at intervals. The roof inner plate is arranged above the roof purlins; the vapor barrier film is laid above the roof inner plate; the thermal insulation layer is arranged above the vapor-proof film; the rigid waterproof layer is arranged above the heat preservation layer; the roof outer plate is arranged above the rigid waterproof layer; and the drainage assembly is arranged above the roof outer plate. The roof waterproof structure has the following advantages and effects that the rigid waterproof layer and the vapor-proof film are arranged to realize inner and outer double-layer waterproof, and the rigid waterproof layer replaces the existing waterproof coiled material, so that the roof has a good waterproof effect and long service life, the coiled material does not need to be frequently disassembled and replaced, and the cost is reduced. And meanwhile, the problem of water seepage prevention of the steel structure roof is fundamentally solved.

The utility model discloses a heat preservation type heating and ventilation pipeline for heating and ventilation engineering, which comprises an inner conveying pipe, a composite heat preservation layer, a vapor barrier layer and an outer protective sleeve which are sequentially and fixedly arranged from inside to outside, the composite heat preservation layer is formed by alternately laminating aerogel felt layers and closed-cell foaming rubber layers, and a connecting flange is fixedly arranged at the end part of the pipeline. Compared with the prior art, the composite heat preservation layer has the advantages that the composite heat preservation layer is formed by alternately stacking the aerogel felt layers and the closed-cell foaming rubber layers, heat loss in the heat energy conveying process is greatly reduced, and the energy utilization efficiency is improved; the vapor barrier layer is of a double-sided barrier structure formed by hot-pressing and compounding an aluminum foil layer and a polyethylene film, water vapor invasion is effectively prevented, the heat preservation layer is prevented from being affected with damp, the outer protective sleeve is provided with a rapid detection opening and a temperature and humidity sensor is arranged in the outer protective sleeve, real-time monitoring of the temperature, humidity and other states in the pipeline is achieved, and potential problems can be found and handled in time.

A composite waterproof membrane for waterproofing concrete slabs and foundation walls is disclosed. The waterproof membrane includes: a rubberized asphalt layer; a polymeric adhesive layer having one face bonded to one surface of the rubberized asphalt layer and having an opposite face with surface voids; and a vapor barrier layer bonded to an opposite surface of the rubberized asphalt layer. The surface voids of the adhesive layer allow concrete poured on the adhesive layer to be filled in the voids and anchor the concrete to the adhesive layer, thereby ensuring water tightness between the composite waterproof membrane and the concrete. Methods and systems for waterproofing blind-side building foundations using the waterproofing membranes are also disclosed.

The utility model discloses a multi-layer reinforced solid wood floor, and relates to the technical field of floors. The floor body comprises a face plate layer and a bottom plate layer, the face plate layer comprises a wear-resisting layer, a decoration layer and a base material layer from top to bottom in sequence, the bottom plate layer comprises a damp-proof layer and a bottom layer from top to bottom in sequence, a first limiting plate extends out of the left side of the face plate layer, and a plurality of first protruding parts are arranged below the first limiting plate. A second limiting plate extends out of the right side of the bottom plate layer, a plurality of limiting grooves are formed in the second limiting plate, and limiting plates and springs are arranged in the limiting grooves, so that the halfpace-shaped first protruding parts can be fixedly connected with the limiting grooves after being inserted into the limiting grooves, operation is easy, two adjacent floors are connected more tightly, and the service life of the floors is prolonged. The thicker base material layer, the thicker bottom layer and the thicker damp-proof layer in the multiple layers of material plates in the floor are connected in a clamped mode through the protruding parts and the grooves, the internal structure of the floor is strengthened, and the overall strength of the floor is improved.

The utility model relates to the technical field of laminated boards, in particular to a laminated board with a heat preservation structure, which comprises a heat preservation structure layer, an upper base board layer connected to the upper plane of the heat preservation structure layer, and a damp-proof layer connected to the upper surface of the upper base board layer. The lower base plate layer, the heat absorption plate, the decorative paper layer and the transparent wear-resistant layer are sequentially connected to the lower plane of the heat preservation structure layer from top to bottom; the heat preservation structure layer comprises a partition plate and a rectangular frame which is connected to the side edge of the partition plate in a sleeving mode and extends up and down, a first containing cavity located above the partition plate is formed in the rectangular frame, rock wool is filled in the first containing cavity, a second containing cavity located above the partition plate is formed in the rectangular frame, and heat storage balls are filled in the second containing cavity. And a granular heat conduction material is filled in a gap between the adjacent heat storage spheres. The heat preservation device is reasonable in structure, part of redundant heat can be stored and released after the environment temperature drops, meanwhile, heat penetrating transmission can be reduced, and the heat preservation effect is enhanced.

A radon gas mitigation system and kit for a building with a crawlspace comprises a plurality of radon gas intakes arranged under a vapor barrier in the crawlspace to be in a subterranean environment and outside a building envelope. The intakes are arranged to be respectively registered with one of plural foundation walls and collectively arranged to generally follow the building footprint. The intakes are arranged in spaced relation to the foundation walls. A manifold is arranged in the building envelope and in fluidic communication with the intakes; a fan in the building envelope and in fluidic communication with the manifold and configured to generate an airflow to draw radon gas from the subterranean environment and to the manifold; and an outlet arranged in the building at a location above a grade of ground and in fluidic communication with the manifold and configured to release the radon gas to the outside.

The invention discloses an anti-seepage and anti-condensation composite color steel roof of a large factory building and a construction method thereof. Purlin supports are vertically welded with steel roof truss girders, and purlins are fixedly mounted on the purlin supports in the direction perpendicular to the drainage direction of a steel structure roof; then layered construction of a roof system is carried out, a bottom layer profiled steel sheet is laid in the direction from a cornice to a ridge, and 360-degree seaming and edge locking are adopted between plate panels; a vapor-proof layer is laid on the upper portion of the bottom-layer profiled steel sheet, and vapor-proof layers are laid at the joints of the ridge and the cornice in a double-layer mode; a heat preservation layer is laid on the vapor barrier layer in a layered and staggered mode, and the lap joint position is fixed through a fixing piece; the waterproof breathable layer is bonded with the heat preservation layer through an adhesive tape, and an additional layer is additionally arranged at a node; the top layer profiled metal plate is laid on the upper portion of the waterproof breathable layer and fixedly connected with the fixing support, and the top layer profiled metal plate achieves 360-degree seaming and edge locking through mechanical seaming; by integrating the functions of heat preservation, water prevention, corrosion prevention and condensation prevention, the service life of the building roof system is remarkably prolonged, and the safety performance of the building roof system is remarkably improved.

The utility model relates to the technical field of buildings, in particular to a heat preservation roof board with sound absorption and moisture insulation performance, which comprises a sound absorption board, a heat preservation layer, a heat preservation layer, a heat preservation layer and a heat preservation layer, and is characterized in that the sound absorption board is provided with a plurality of sound absorption holes and is arranged on stringers of a roof; the partition plate is arranged on the sound absorption plate; the sound-absorbing fireproof layer is arranged between the sound-absorbing plate and the partition plate; the sound absorption and heat preservation layer is arranged on the partition plate; the roof panel is arranged on the sound absorption and heat preservation layer; wherein the sound-absorbing fireproof layer is of a layer structure made of ceramic fibers, and the sound-absorbing heat-insulating layer is of a layer structure made of glass fibers; a vapor-proof layer is arranged at the bottom of the sound-absorbing plate, and a waterproof breathable layer is arranged on the sound-absorbing heat-preserving layer. Under the action of the waterproof breathable layer, the sound-absorbing plate, the sound-absorbing fireproof layer, the sound-absorbing heat-preserving layer and the waterproof breathable layer, the whole roof panel not only has good fireproof and heat-insulating effects, but also has excellent sound-insulating and moisture-insulating effects.

The utility model relates to the field of building outer walls, in particular to a pipeline penetrating structure suitable for an outer wall of a fabricated ultra-low-energy-consumption building, which comprises a prefabricated concrete sandwich outer wall component and an outer wall pipeline penetrating structure, the prefabricated concrete sandwich outer wall component is characterized in that the prefabricated concrete sandwich outer wall component is formed by combining a prefabricated concrete outer acanthus (1), a sandwich heat preservation layer (2) and a prefabricated concrete inner acanthus (3), a pipeline (6), heat preservation rock wool (4), a waterproof vapor-permeable film (8) and a waterproof vapor-proof film (9) are arranged in a prefabricated component reserved hole (12), and an exhaust windproof cover (5) and building sealant (7) are further arranged on the outdoor side. The indoor side further comprises a connecting device (10) and a rubber and plastic heat preservation device (11). By the adoption of the technical scheme, the problems of broken bridge heat preservation, air tightness and waterproof leakproofness of the outer wall hole penetrating position of the ultralow-energy-consumption fabricated building are solved, the durability of the building is improved, the installation speed of the building is increased, and building industrialization and green development are promoted.

A non-corrosive form setting stake and a permanent leak-proof plugging method of using the stake in cases where soil conditions are such that a vapor barrier is required to prevent potentially harmful elements in the soil from escaping and harming anything or anyone above the barrier. The stake comprises a slender elongated body, a wedge-shaped leading end for piercing the earth, a plurality of holes through which nails are driven to attach the form board to the stake, and a trailing end that serves as a striking surface for driving the stake into the ground. In the forming of a slab on grade foundation, a plurality of stakes is driven through the vapor barrier and into the earth in order to hold the form boards in place. Next, a seal is created around the stakes to the vapor barrier. Once the stakes are sealed, each stake acts as a permanent leak-proof plug in the vapor barrier that prevents elements in the soil from escaping through or around the stake. After governing agencies have inspected the vapor barrier and the forms are removed, a top section of the stake is cut off above the stake's sealed portion and below the slab's finished surface. The concrete is then finished with the lower portion of each stake left permanently embedded in the earth and beneath the finished concrete.

The utility model discloses a waterproof mildew-proof composite floor which comprises a base plate, the outer side of the base plate is fixedly connected with a waterproof layer, the bottom of the base plate is fixedly connected with a balance layer, one side of the waterproof layer is fixedly connected with a first connecting block, and the other side of the waterproof layer is fixedly connected with a second connecting block. The bottom of the waterproof layer, the bottom of the balance layer, the bottom of the first connecting block and the bottom of the second connecting block are fixedly connected with damp-proof layers, the bottom of each damp-proof layer is fixedly connected with an anti-seepage layer, and the anti-seepage layers are located below the first connecting blocks. The limiting strips can be clamped in the first connecting blocks, the protection pads can effectively prevent the limiting strips from sliding, a constructor can effectively and conveniently install a plurality of floor blocks, and the anti-seepage layer at the bottom of the floor can effectively prevent the situation that when water is accumulated on the ground, accumulated water seeps to the base plate, the base plate is damped and mildewed, and the service life of the base plate is shortened.

The invention discloses a prefabricated steel structure facade module for an energy-saving fabricated building, and belongs to the technical field of fabricated buildings. The facade module comprises at least one bent plate, a plurality of transverse purlins and a plurality of functional layers. The section of the bent plate is of a C-like structure, and an open cavity is formed in the bent plate. The two ends of the transverse purlins are in bolted connection with the two end faces of the bent plate through the heat insulation cushion blocks correspondingly, and the multiple transverse purlins are arranged in the length direction of the bent plate. The functional layer comprises a vapor barrier layer, a heat preservation layer and a waterproof breathable layer. And the functional layer is fixedly mounted on one side of the bent plate. The vapor-proof layer is attached to the inner side of the open cavity, the heat preservation layer is laid on the outer side of the vapor-proof layer in a staggered mode, and the waterproof breathable layer is attached to the outer side of the heat preservation layer. The facade module is reasonable in design, simple in structure, convenient to machine, low in manufacturing cost and excellent in energy-saving effect, and the functional characteristics of the facade cannot be affected.