71 results about "Vapor barrier" patented technology

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 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.

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.

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.

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 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 discloses a high -efficient heat preservation steam pipeline, including upper heat preservation pipe, the lower heat preservation pipe is provided with in the upper heat preservation pipe lower extreme, the upper heat preservation pipe and the lower heat preservation pipe inside all distribute and be provided with movable box, the movable box is not less than two, install extrusion spring in the movable box, one end of extrusion spring is connected through extrusion rod and clamping plate. Advantageous effects lie in: the utility model discloses the design through movable box, extrusion spring and extrusion rod, make the heat preservation board on upper clamping plate and lower clamping plate can steam pipe body extrusion heat preservation, cooperate the direct contact of sealing rubber pad in plugboard and plug groove, can effectively avoid the steam erosion heat preservation board of outside, and the design of aluminium foil layer can form a damp proof course outside rubber layer, nanometer heat insulation felt layer and glass cotton layer, effectively avoided the condensate erosion heat preservation board of steam pipe body, effectively guaranteed the heat preservation effect of steam pipe body.

A number of techniques, structures, and materials for thermally insulating a cryogenic propellant tank barrel section are presented. Thermal insulation for a tank, such as tanks for use in space flight missions, may be a dual wall vacuum jacket system where one wall is the propellant tank wall and the other wall is a metallic foil that is welded to portions of the propellant tank wall. The metallic foil may act as a vapor barrier and a vacuum seal. A structural and breathable insulation that is durable and functional in a range from cold to relatively high temperatures may be used to maintain a standoff distance between the two walls. The volume between the propellant tank wall and the metallic foil may be purged with a gas that has a liquefaction temperature greater than that of the cryogenic propellant that will be in the propellant tank during operations.

In certain embodiments, the disclosed sealant comprises a one-component, closed-cell, semi-foam, sealant using gas-filled, flexible, organic microspheres to create a product that is elastic and compressible under pressure without protruding in an outward direction when compressed, thereby allowing the applied sealant to compress in an enclosed, maximum-filled channel unlike typical mastic sealants (while retaining the ability to rebound). This allows the sealant to function as a gasket, and, once fully cured, to have properties including vibration damping, insulating, and condensation resistance. The sealant can be formulated as an air barrier or a vapor barrier and at various degrees of moisture resistance. It may be applied by different packaging variations including aerosol can (bag in can or bag on valve), airless sprayer, cartridge tubes, foil tubes, squeeze tubes, and buckets to be applied using a brush, trowel, spatula, etc. The disclosed sealant can also be formulated to be smoke-resistant and flame-resistant.

The utility model relates to a steel structure building thermal insulation wall which comprises a vertical wall beam, transverse wall beams are horizontally arranged on the front portion and the rear portion of the vertical wall beam, inner side profiling box-shaped plates are installed on the outer side of the vertical wall beam, the inner side profiling box-shaped plates are fixed to the transverse wall beams through self-tapping screws, a plurality of the inner side profiling box-shaped plates are vertically stacked, and the inner side profiling box-shaped plates are fixed to the transverse wall beams through self-tapping screws. The adjacent inner side profiling box-shaped plates are fixedly connected through a row of self-tapping screws, a first heat preservation layer is arranged on the outer side of each inner side profiling box-shaped plate, a second heat preservation layer is arranged on the inner side of each inner side profiling box-shaped plate, a cement fiberboard is arranged on the outer side of each first heat preservation layer, a vapor barrier layer is arranged on the outer side of each cement fiberboard, and the vapor barrier layer is arranged on the outer side of each first heat preservation layer. A plurality of transverse lining purlins are installed on the outer side of the vapor barrier, and metal contour plates are installed on the outer sides of the transverse lining purlins. The inner side profiling box-shaped plate is used in cooperation with rock wool and polyurethane for filling, a double-layer heat preservation structure is formed, the joints of the plates are tightly filled, and the phenomenon that the heat preservation effect is affected due to cavities is avoided.

This invention relates to the field of urban public facilities technology, specifically to an environmentally adaptive slip ring hydrogel temperature-controlled outdoor bench, comprising a support frame, a temperature-controlled pad, and an internal unidirectional vapor barrier layer, a temperature-controlled layer, a slip ring honeycomb skeleton tube, a buffer layer, and a heat-insulating and moisture-proof base plate. The temperature-controlled layer is filled with hydrogel and a phase change heat storage capsule. A fixing plate is fixedly connected to the bottom side of the temperature-controlled pad, and the fixing plate contains a gradient hydrophilic capillary reflux core. The hydrophilicity of the gradient hydrophilic capillary reflux core gradually increases from the liquid storage cavity to the hydrogel. The air inlet is directly opposite the guide condenser tube. The surface of the slip ring honeycomb skeleton tube has several horizontally oriented sieve holes, and the inner cavity of the slip ring honeycomb skeleton tube is connected to the guide condenser tube. Through the unidirectional vapor barrier layer and the slip ring honeycomb skeleton tube, an effective temperature difference is formed with the steam. The gradient hydrophilic capillary reflux core is used for anti-gravity transport of moisture, realizing closed-loop moisture recycling. The hydrogel combined with the heat storage capsule can meet the outdoor needs throughout the year, and the whole bench is easy to use.

This invention relates to an ultra-thin flooring for cold storage with an internal insulation structure and its construction method. The construction method includes the following specific steps: S1: Casting a reinforced concrete floor slab; S2: Sequentially laying a vapor barrier layer, an insulation layer, a waterproof and breathable layer, and a geotextile layer on the reinforced concrete floor slab; S3: Pouring a concrete surface layer on the waterproof and breathable layer. The advantages of this invention are its simple process and convenient construction. Addressing the characteristics of large-area ultra-thin flooring in large concrete cold storage structures—prone to cracking, peeling, and poor flatness—this invention develops an internal insulation structure for ultra-thin cold storage room flooring and its construction method, solving the technical problems of difficult repair after cracking of ultra-thin flooring in low-temperature cold storage, impacting cold storage operation, and low construction efficiency.

A steel structure roof system with inflaming retarding, heat preservation and sound absorption functions in severe cold areas belongs to the field of roofs in severe cold areas and comprises a metal plate, a waterproof layer is arranged on the upper portion of the metal plate, a glass wool heat preservation layer is arranged on the lower portion of the metal plate, and a waterproof breathable layer is arranged between the metal plate and the glass wool heat preservation layer. A glass wool sound absorption layer is arranged on the lower portion of the glass wool heat preservation layer, an infrared heat insulation reflection layer is arranged on the upper portion of the glass wool sound absorption layer, the glass wool heat preservation layer and the glass wool sound absorption layer are fixed through a first n-shaped purline, and a vapor barrier layer, a dustproof layer and a perforated sound absorption plate are sequentially arranged on the lower portion of the glass wool sound absorption layer. The bottom of the glass wool sound absorption layer is fixedly connected with the roof main purline through the roof secondary purline. Organic unification of heat preservation, sound absorption and flame retardant functions is achieved through a multi-layer composite structure, and the whole roof system can meet the comprehensive requirements of severe cold areas.

The utility model discloses a high-strength wear-resistant laminate floor which comprises a high-density base material layer, a high-strength layer is arranged at the bottom of the high-density base material layer, a balance damp-proof layer is arranged at the bottom of the high-strength layer, a decoration layer is connected to the top of the high-density base material layer in a bonding mode, and a wear-resistant layer is arranged at the top of the decoration layer. The high-density base material layer, the balance damp-proof layer and the decorative layer form the laminate floor. The high-strength oak board layer, the high-strength oak board layer and the high-strength hemlock board layer are matched with one another, so that the strength of the laminate flooring is improved, the laminate flooring is prevented from being easily broken and damaged, the service life of the laminate flooring is prolonged, and the service life of the laminate flooring is prolonged. The wear-resistant layer, the transparent wear-resistant organic silicon resin coating layer and the transparent wear-resistant acrylic acid coating layer are matched with one another, so that the wear resistance of the laminate flooring is improved, the laminate flooring is prevented from being easily damaged by friction, and the service life of the laminate flooring is prolonged.

This utility model relates to construction and is intended for the use of fiber cement boards in roofing systems as a rigid sheet base beneath a waterproofing layer. The roofing structure utilizes autoclave-dried fiber cement board, which provides increased moisture resistance, strength, and fire safety for the roofing system compared to cement-bonded particle boards. The roofing structure comprises a roof base, a thermal insulation layer, and a waterproofing layer, additionally containing a vapor barrier located between the base and the thermal insulation layer. It also further comprises a rigid autoclave-dried fiber cement board approximately 10 mm thick, with a surface treated with a bitumen primer, positioned between the thermal insulation and waterproofing layers.

This invention discloses an energy-saving exterior wall insulation system for residential buildings, belonging to the field of building energy-saving insulation technology. The system includes a base interface adaptation unit, a gradient thermal insulation unit, a thermal bridge closed-loop blocking unit, a moisture balance control unit, and a crack-resistant protective finish unit. These units are arranged sequentially from the outside to the inside and coupled through an interface-compatible process. The base interface unit uses a permeable modified layer, the gradient insulation unit is a three-layer composite structure, the thermal bridge unit achieves full-node closed-loop blocking, the moisture balance control unit employs asymmetrical control of vapor barrier, humidity regulation, and moisture conduction, and the finish unit is a flexible, gradient, crack-resistant structure. This invention is integrated without breaks, thermal bridge leakage, or condensation and mold growth, exhibits excellent thermal performance, is easy to operate and maintain, is suitable for new residential buildings and renovations of existing buildings, and meets ultra-low energy consumption residential standards.

The utility model relates to the technical field of composite vapor barrier film processing, in particular to a multilayer composite vapor barrier film efficient drying device which comprises a rack, a drying assembly, a conveying assembly, a drying assembly and a supporting assembly, the drying assembly is arranged on the inner side of the rack, the conveying assembly is arranged on the inner side of the rack, the drying assembly is arranged on the inner side of the rack, and the supporting assembly is arranged on the inner side of the rack. A supporting assembly is arranged below the rack, the drying assembly comprises a guide pipe, a square pipe, a shrinkage pipe, a throat pipe, a diffusion pipe, an exhaust pipe and an air heater, the air heater is arranged on one side of the rack, the guide pipe is arranged at the output end of the air heater, the square pipe is arranged at one end of the guide pipe and arranged on the top face of the inner side of the rack, and the shrinkage pipe is arranged below the square pipe; the air speed is increased through the gradual shrinking structure, a wide rectangular hot air curtain is formed through the diffusion pipe to cover the width direction of the membrane material, the annular negative pressure groove is formed in the outlet of the diffusion pipe to generate local negative pressure, water vapor is discharged in a directional mode, and therefore the water stain phenomenon on the surface of the membrane material is eliminated, and the drying efficiency is improved.

The utility model provides a single-tube high-rise building structure which comprises a core tube, the bottom of the core tube is arranged on the top of a foundation, a peripheral frame located on the outer layer of the core tube is further arranged on the top of the foundation, the core tube and the peripheral frame are connected with the two ends of a floor slab in the horizontal position, and a heat preservation damp-proof layer connected with the core tube is arranged on the floor slab in the vertical direction. A conveying pipeline is arranged in the core tube in the vertical direction, the floors are communicated through a flow guide pipeline and the conveying pipeline, and an air outlet hole communicated with the top of the conveying pipeline is formed in the top of the core tube. Moist air in the transmission pipeline is discharged from the top of the building through the air outlet holes, the moist air discharging efficiency of the transmission pipeline is improved, and heat loss in a floor is reduced by arranging the heat preservation and moisture prevention layer.

High-performance vacuum thermosiphon with phase-bound two-pipe routing for thermal reheating and monovalent energy supply of heat pumps (10) for thermal reheating and energy supply of heat pumps, comprising a closed pipe system with a riser pipe (11) for the vapor phase and a spatially separated return pipe (12) for the liquid phase, which are connected to each other at the lower end via a probe foot (13) and at the upper end via a heat exchanger (15), characterized in that a siphon element (14) is arranged in the return pipe (12) immediately downstream of the heat exchanger (15), which acts as a physical vapor barrier and forces a directed vapor flow exclusively in the riser pipe (11).

The utility model relates to the technical field of building waterproofing, and discloses a building engineering waterproof structure which comprises a hydrophobic layer, a damp-proof layer and an inner layer, the hydrophobic layer is arranged above the inner layer, the damp-proof layer is arranged between the inner layer and the hydrophobic layer, the hydrophobic layer comprises a fixing frame, the fixing frame is fixedly installed on the top of the inner layer, and the damp-proof layer is fixedly installed on the inner layer. Water accumulation grooves are formed in the upper and lower ends of the right side of the top of the fixing frame, a drainage groove is formed in the left side of the top of the fixing frame, connecting holes are formed between the water accumulation grooves and the drainage groove for communication, four fixing holes are formed in the upper and lower edges of the right side of the top of the fixing frame, and two positioning holes are formed in the upper and lower edges of the left side of the top of the fixing frame. According to the waterproof structure for the constructional engineering, water which may permeate can be collected and discharged from the drainage holes, meanwhile, the short baffle can be conveniently opened for cleaning work, and due to the design, the convenience of maintenance is improved, and the service life of the waterproof structure is also prolonged.

The application discloses a self-adhesive vapor barrier film, comprising a first vapor barrier layer and a second vapor barrier layer, wherein the first vapor barrier layer is a multilayer composite film for preventing self tearing and breaking; the second vapor barrier layer is a glue layer coated on the first vapor barrier layer for forming a wrapping seal for a penetrating object, and the other side of the second vapor barrier layer is provided with an anti-adhesion layer; the multilayer composite film comprises one or more resin layers, and further comprises one or both of a metal layer and a mesh cloth layer; the vapor barrier film has good vapor barrier performance, stability and mechanical properties, is convenient to construct, provides a better vapor barrier material for a profiled steel sheet roof, and can improve the effect and service life of a roof maintenance system.

The utility model relates to the field of roof assembly plates, and discloses a buckling tile type roof assembly plate which comprises a structural top plate, a waterproof layer is fixedly connected to the bottom of the structural top plate, a reinforcing assembly is arranged at the bottom of the waterproof layer, a heat preservation layer is arranged at the bottom of the waterproof layer, and a reinforcing assembly is arranged at the bottom of the heat preservation layer. A damp-proof layer is arranged at the bottom of the heat preservation layer, a structural bottom plate is fixedly connected to the bottom of the damp-proof layer, the reinforcing assembly comprises a plurality of first transverse reinforcing ribs and a plurality of first longitudinal reinforcing ribs, and the top of each first transverse reinforcing rib is fixedly connected to the bottom of the waterproof layer. According to the buckling tile type roof assembly plate, the two layers of reinforcing ribs are additionally arranged in the assembly plate, so that the effects of improving the deformation resistance and the bearing capacity of the plate and better bearing loads are achieved, the problem that the plate is prone to breakage due to the poor deformation resistance and the poor bearing capacity of the plate is solved, and the practicability of the buckling tile type roof assembly plate is improved.

The application discloses a kind of zero-carbon house building wall body process perforation construction methods, comprising: S1, set hole in non-interference position on wall body;S2, select the sleeve pipe of square or rectangular section, and paste air-permeable film at one end of sleeve pipe, paste vapor-permeable film at the other end;S3, square sleeve pipe is fixedly installed in hole;S4, when waterproof vapor barrier film or vapor-permeable film is pasted on wall structure surface, the third part of film material on sleeve pipe is pasted on wall structure surface and the film material on wall structure surface is overlapped;S5, after removing the wall part, the second part of film material is pasted on the sealing surface, and the film sheet of corresponding property is pasted on the whole end surface of sleeve pipe and forms overlapping relationship;S6, cover sleeve pipe when constructing surface layer on wall inner wall and outer wall, to be consistent with other positions of wall body.According to the construction method of the application, the repair of process perforation is completed synchronously with the wall structure construction process, without subsequent repair.

The invention relates to the technical field of heat preservation plates, in particular to a self-adjusting phase-change material heat preservation plate which comprises an inner mounting frame and a second protection frame fixed in the inner mounting frame in a penetrating mode, a first protection frame is mounted in front of the second protection frame, a heat preservation layer is mounted in a front groove of the first protection frame in an embedded mode, and a vapor isolation layer is fixed to the front side of the heat preservation layer. And an outer protection plate is installed on the front side of the vapor barrier layer, a phase change material coating is sprayed to the interior of the first protection frame, and a miniature temperature control piece is installed in the front side face of the second protection frame. The self-adjusting phase-change material insulation board can actively intervene in the heat absorption and release process of the phase-change material coating according to the actual temperature requirement in a granary, the defect of passive temperature control is overcome, the phase change starting opportunity and the phase change rate of the phase-change material coating can be accurately and dynamically controlled, the temperature control failure of the phase-change material coating is avoided, and the service life of the granary is prolonged. Therefore, the heat preservation and insulation efficiency and effect of the heat preservation plate are improved, and a more stable and more energy-saving environment is provided for grain storage.

The utility model provides an assembly type sports floor structure which comprises a supporting assembly and a floor assembly, and the floor assembly sequentially comprises an inorganic plate, a connection exchange transition plate, a damp-proof layer and a contact layer from bottom to top, so that the inorganic plate and the connection exchange transition plate guarantee supporting while the ground is conveniently elevated, and the floor assembly is convenient to use. The damp-proof layer can prevent the floor from warping and decaying, meanwhile, the durability and stability of the wood floor can be improved, and the damp-proof layer is a contact layer between an athlete and the floor and has the characteristics of abrasion resistance, corrosion resistance, shock absorption, noise reduction, high strength, high toughness, high stability and the like; according to the mode that the adjusting area penetrates through the second threaded connecting piece to be communicated with the upper space, lifting and leveling operation can be conducted on the floor assembly, height adjustment during installation of the floor assembly is facilitated, and inconvenience in finding a specific position and fine adjustment when an operator conducts leveling operation on the specific position of the floor assembly below the supporting assembly is avoided.

A loop thermosiphon assembly may include a thermal interface component configured to be coupled to a heat source to be cooled, a channel coupled to the thermal interface component, a first vapor channel coupled to the channel, and one or more coolant pipes coupled to the first vapor channel and the channel. The channel includes a vapor barrier and a second vapor channel. The first vapor channel is in communication with the thermal interface component via the second vapor channel. The one or more coolant pipes is in communication with the thermal interface component via the vapor barrier. The second vapor channel and the first vapor channel direct vaporized liquid coolant upwards and away from the thermal interface component and heat source, and the one or more coolant pipes and the vapor barrier direct liquefied vapor coolant downwards and toward the thermal interface component and the heat source.

The utility model relates to the technical field of decorative plate, especially a kind of green building decorative plate, including base fixed and supporting layer, heat preservation and insulation function layer and decorative protective layer, the heat preservation and insulation function layer is located in the upper end of base fixed and supporting layer, the decorative protective layer is located in the upper end of heat preservation and insulation function layer.The utility model relates to a kind of green building decorative plate, in base fixed and supporting layer, base bearing plate selects light steel keel composite board, is firmly connected with building main body by self-tapping screw, load is transferred and reliable support is provided, damp-proof vapor barrier adopts SBS waterproofing membrane, closely adheres base bearing plate, effectively prevents water vapor penetration, protects internal structure, support reinforcement is metal angle steel, enhances base rigidity and disperses stress, at the same time, anti-crack reinforcing net restrains heat preservation and insulation main body deformation, prevents heat preservation layer cracking, sealant fills gap, elastic sealing prevents rainwater, dust invasion, and adapts temperature expansion.