53 results about "Infiltration (HVAC)" patented technology

According to the anti-seepage ventilation intelligent regulation and control device and the regulation and control method thereof, a temperature detection system (an outdoor temperature sensor, a door bucket temperature sensor and an indoor temperature sensor) and an air taking / supplying mechanism (a variable speed fan, an outdoor / indoor electric air valve and a shutter air opening) are arranged in a building door bucket, t1, t2 and t3 are compared in real time through a central processing unit, and the seepage air direction is judged; and then a fan is started to take air from the indoor space or the outdoor space, an air curtain is formed in the door bucket, natural permeation air is cut off, the air volume is dynamically and finely adjusted by continuously comparing delta T (the temperature difference between the door bucket temperature and the non-air-supply-side temperature difference) with a set threshold value A (0.1-0.5 DEG C), zero permeation is achieved, and excessive energy consumption is avoided. The device is symmetrically arranged, the structure is compact, and the energy-saving performance and comfort of the door bucket can be remarkably improved. The invention further provides a corresponding computer readable storage medium to support software implementation of the method.

The invention discloses a waterproof curtain impermeable film flat laying auxiliary device and method. The waterproof curtain impermeable film flat laying auxiliary device comprises a base floor arranged in a groove section, and a plurality of positioning assemblies are arranged on the base floor at equal intervals; the positioning assembly comprises a fixing support arranged on the base floor, a chuck is arranged at the top of the fixing support, a step type connecting frame is rotatably installed on the chuck, and a U-shaped fixing frame is arranged at the bottom end of the step type connecting frame; by arranging the base plate and the positioning assembly, the influence that the base surface is uncontrollable due to bottom mudstone accumulation can be eliminated, a controllable bottom fixing reference is established, and it is guaranteed that the bottom of the impermeable film is in a controllable state and is stably fixed to the bottom of the groove section; the technical problems that due to the fact that the construction period is too long or rainwater washout, soil and gravels are deposited at the bottom of a groove section, the situation of the bottom of the groove section is uncontrollable, film laying equipment cannot guarantee the flatness of a laid anti-seepage film, and the anti-seepage effect of a water cut-off curtain is unstable after backfilling and grouting are solved.

The application discloses a foundation pit supporting structure, and relates to the technical field of building construction, which comprises a supporting device, a water pumping device and a drainage device. The supporting device comprises a base, a retaining wall, a plurality of supporting members and a plurality of positioning members. A plurality of cavities are formed in the retaining wall. The positioning members are arranged in the cavities. The water pumping device comprises a water pumping pump, a plurality of water pumping pipes and a plurality of water conveying pipes. The water pumping pump is arranged on the base. One ends of the water pumping pipes and the water conveying pipes are connected with the water pumping pump and communicate with each other. The other end of the water pumping pipe is located on the side of the base away from the retaining wall. The other end of the water conveying pipe is connected with the retaining wall and communicates with the cavities. The drainage device is arranged on one side of the retaining wall. The drainage device has a water storage tank in the inside, and the cavities communicate with the water storage tank. The application can effectively reduce water infiltration in rainy weather, so as to effectively ensure the structural stability of the foundation pit in rainy weather.

The utility model relates to the technical field of roof structures, and provides a roof anti-seepage structure for house building engineering, which comprises a heat preservation layer (1), a slope making and leveling layer (2), a waterproof layer (4) and a surface layer (5) which are sequentially arranged from top to bottom, and further comprises a drainage layer (3) arranged between the heat preservation layer (1) and the slope making and leveling layer (2), the hydrophobic layer (3) is used for isolating water permeating after the waterproof layer (4) is damaged and discharging the water from the rainwater pipe (6); the drainage layer (3) comprises a water guide plate (31), a supporting block (32) and a transverse plate (33) which are sequentially arranged from bottom to top, the water guide plate (31) is arranged above the heat preservation layer (1), a plurality of water guide grooves (311) communicated with the upper end face of the water guide plate (31) are formed in the water guide plate (31) at equal intervals, and the water guide grooves (311) are connected with the water inlet end of the elbow (7). And the thermal insulation layer is not damaged.

This invention relates to the field of building exterior wall construction technology, specifically a construction method for concrete in building exterior wall structures. The device includes a wall body with internal steel reinforcement. Several binding steel bars are arranged in a linear array on the wall reinforcement, and all binding steel bars are inserted into the wall body. A formwork mechanism that restricts the concrete shape and is easily disassembled is located in front of the wall body. The filled concrete is compacted by uniformly moving laterally during vibration, thus avoiding the situation where some concrete is not compacted during manual operation. This ensures uniform compaction of the concrete, further increasing its overall structural strength after setting. While more accurately controlling the concrete compaction, the vibration also removes a large number of air bubbles within the concrete, preventing the formation of numerous voids that could damage the overall structural strength of the exterior wall after setting, and also preventing rainwater infiltration and dampness.

The utility model relates to the technical field of building construction, in particular to a building external window anti-leakage device which comprises a wall body. The device further comprises a fixing plate and a quick release assembly. An outer window frame is arranged on the inner side of the wall, a window body is arranged on one side of the outer window frame, a fixing plate is arranged on one side of the outer window frame, a first clamping block is slidably connected to the inner side of the fixing plate, a water guide plate used for preventing leakage is arranged on one side of the first clamping block, a first spring is arranged in the first clamping block, and a limiting ball is arranged on one side of the first spring. Guide blocks are arranged at the upper ends of the water guide plates; according to the device, a second spring drives a sliding block to slide, the sliding block drives a connecting block to move, the connecting block drives a waterproof contact plate to move, one side of the waterproof contact plate is attached to an outer window frame and a window body, and when rainwater slides to the waterproof contact plate through the outer window frame and the window body, the rainwater slides along the surface of the waterproof contact plate and then falls on a water guide plate; and the water is guided out through the water guide plate, so that the wall body is prevented from leakage, and the wall body and the window are better protected.

The present invention discloses a novel packaged terminal air conditioner (PTAC) system that is compact, leakless, and power-efficient and integrates an evaporating element that heats and evaporates the meltwater collected within a drain pan disposed of in the outdoor portion. The proposed PTAC system includes an air sealing frame configurable within the sleeve of the PTAC system to completely seal off air infiltration from the sidewalls of the sleeve. The air sealing frame configurable within the sleeve further provides sufficient insulation and prevents any thermal bridge creation and also insulates the sound that usually gets transmitted from the outdoor portion to the indoor portion of the PTAC system or sound that's experienced in the room. The proposed PTAC has a decreased protruding length of the indoor portion within the interior of the room due to the presence of the air sealing frame.

The utility model relates to a plugging device, belongs to the technical field of building construction, and particularly relates to a plugging device for a gap at the bottom of an elevator opening, which comprises a structural beam, an elevator door frame and a bolt assembly, the L-shaped galvanized steel sheet is arranged on one side of the structural beam; the bolt assembly comprises threaded holes formed in the structural beam and the L-shaped galvanized steel sheet. The bottom gap of the elevator opening can be well blocked while construction operation convenience is guaranteed, and the problems that an existing gap is not tightly blocked, dust, sundries and even water are likely to permeate into a channel, the elevator running environment is affected, aging of components is accelerated, and the service life of the elevator is prolonged are solved. And a traditional plugging method has the problems of poor sealing performance, high cost or insufficient durability.

This invention discloses a multi-source cross-domain behavioral data fusion analysis system and method based on knowledge graphs, belonging to the field of data processing technology. Specifically, it includes: deploying gas sensors on public vehicles in the target area to periodically detect the concentration values ​​and location coordinates of pollutants along the driving path; constructing a spatiotemporal knowledge graph structure, including a static building layer, a dynamic path layer, and a fusion data layer; calculating the spatial relative relationship between public vehicles and the facades of buildings on both sides, and mapping the gas concentration values ​​to virtual monitoring points on the building facades using real-time wind direction and speed parameters to generate a building facade concentration distribution map; calculating the building gas infiltration flux based on window status to deduce the indoor pollutant concentration change process of the target building; and integrating the indoor pollutant concentration deduction results along a time axis to form a spatiotemporal evolution map of air quality in the target area. This invention achieves precise control and effective management of air quality in congested urban scenarios.

The invention discloses a roof waterproof treatment test acceptance device, and relates to the technical field of building waterproof detection, the roof waterproof treatment test acceptance device comprises a controller, an infiltration box, a high pressure box and an adsorption box, the infiltration box, the high pressure box and the adsorption box are sequentially arranged side by side, and the bottom end of each box is rotatably connected with a sealing mechanism. Water leakage is effectively prevented, a good sealing effect is achieved, the roof surface is guaranteed to be fully infiltrated through uniform water distribution and water quantity control, the test accuracy is improved, stable high-pressure and negative-pressure environments are provided through application of a multi-stage centrifugal pump and a one-way pressure reducing valve, the high-pressure permeation and negative-pressure adsorption performance of the waterproof roof can be comprehensively tested, and the test efficiency is improved. The integrated control of the controller realizes high automation, the real-time detection function of the ultrasonic detection strip ensures the reliability and accuracy of the test result, and the device is suitable for waterproof roofs of different types and structures, and can efficiently and accurately complete the test and acceptance of the waterproof roofs.

The present invention discloses a roofing waterproof closing construction device and its construction method, which relates to the technical field of roofing waterproof closing. It includes a roofing wall, a waterproof layer is fixed on the roofing wall, and is fixedly installed on the outer wall of the roofing wall through the waterproof layer. At the same time, a waterproof additional layer is fixedly installed on the outer surface of the waterproof layer, and then a thermal insulation layer is installed on the waterproof additional layer, so as to facilitate draining rainwater to the inner wall of the drainage trough via the drainage slope and the drainage hole, and facilitate quickly guiding the rainwater received at the top of the roofing wall out through the combination of the drainage slope and the protective layer. Therefore, it is beneficial for the device to better waterproof the roofing closing part, and avoid water infiltration into the roofing interior, causing cracks and damage to the building. By installing two cross plates on the outer wall of the waterproof additional layer, the columns fixed at the bottom of the cross plates are respectively sleeved with the inner walls of the waterproof additional layer and the waterproof layer, so as to facilitate the device to better waterproof the outside of the roofing wall.

The utility model discloses an anti-seepage fabricated building wall structure which comprises a first wall body, an outer wall embedding groove and a T-shaped embedding groove are formed in the rear side of the upper surface of the first wall body, an outer wall buckling block is clamped in the outer wall embedding groove, the side wall of the outer wall buckling block is fixedly connected with a second wall body, and the second wall body is fixedly connected with the T-shaped embedding groove. The side wall of the second wall body is fixedly connected with a T-shaped block, the T-shaped block is slidably connected with the T-shaped embedding groove, the side wall of the second wall body is provided with an inner wall embedding groove and a connecting groove, the inner wall embedding groove and the connecting groove are internally provided with an inner embedding buckle block and a connecting block respectively, and the front surface of the first wall body is provided with a plurality of communicating grooves. And a connecting bolt is arranged in each communicating groove. Through staggered arrangement of the outer wall embedding grooves and the inner wall embedding grooves, wall strength reduction and water seepage risk increase caused by centralized grooving in the same position are avoided, reliable waterproof protection is provided for a building, the water seepage risk of the wall is effectively reduced, and the service life of the building is prolonged.

The adjustable wedge-shaped window gap air permeation adjusting system for oxygen-enriched buildings relates to the technical field of air permeation adjustment of external envelope, and is used for solving the problem that the fixed-section external window gap is difficult to change the difference between positive and reverse permeation resistance in an asymmetric manner. The system comprises an adjustable wedge-shaped gap component, a gap adjusting mechanism, a sensor component and a controller. The adjustable wedge-shaped gap component comprises a fixed first sealing member and a monolithic second sealing member capable of being lifted, and the two form a non-equal-section air permeation channel. The second sealing member has an indoor-side inlet adjusting part and an outdoor-side outlet adjusting part, and the first and second lifting rods are connected with the inlet adjusting part and the outlet adjusting part respectively. The sensor component collects indoor and outdoor parameters, and the controller drives the gap adjusting mechanism to make the first and second lifting rods drive the second sealing member to be lifted, so as to adjust the inlet height b in and the outlet height b out . When b out is greater than b in , the channel is gradually expanded from the indoor side to the outdoor side. The system is used for air permeation adjustment of the external window gap of oxygen-enriched buildings.

A non-invasive technique to measure exfiltration and infiltration (leakage) in buildings including a system and method employing RFN-BOS photography. Leakage through a building envelope can be visualized using RFN-BOS photography when the background has sufficient texture and the temperature difference between the leakage and ambient air is sufficient. Leakage can be detected when there is a temperature difference of as low as 12° C.-15° C. through CMU and brick claddings. A minimum ΔT detection limit can be reduced to 5° C. so that the RFN-BOS technique can be used through all climate zones, and use of a sufficiently textured cladding in which the contrast textural feature is at 1,650 or greater. If the cladding has insufficient texture, the system uses a projection system to first project a high contrasting image pattern on the cladding surface. Prioritized sealing of leaks is provided based on an order of their corresponding leak-ranking parameters.

The utility model relates to the field of roof seepage prevention, in particular to a roof seepage prevention protection structure which comprises a first positioning connecting block, a second positioning connecting block, a first supporting positioner and a second supporting positioner, the first supporting positioner and the second supporting positioner are arranged on the two sides of a roof seam respectively, and connecting blocks are arranged on the top of the first supporting positioner and the top of the second supporting positioner respectively. The top of the first positioning connecting block is connected with the connecting block of the first supporting positioner, the top of the second positioning connecting block is connected with the connecting block of the second supporting positioner, and the bottom of the first positioning connecting block and the bottom of the second positioning connecting block are obliquely arranged on a roof seam. A first structural adhesive layer is filled between the first positioning connecting block and the second positioning connecting block; and a second structural adhesive layer is arranged between the first supporting positioner and the first positioning connecting block as well as between the second supporting positioner and the second positioning connecting block.

This utility model provides a connecting strip for doors and windows, relating to the field of building door and window technology. It includes a connecting strip body with a base, a right-angle portion, a large bend, a hook-shaped portion, and a small bend. The large bend is inclined towards the hook-shaped portion. A 0.5mm thick sealing lip is provided on the outer side of the large bend, which, due to its good elasticity, can tightly fit against door and window gaps, effectively blocking air infiltration, rainwater intrusion, and dust entry, significantly improving the sealing performance of doors and windows and enhancing their heat insulation, sound insulation, and dustproofing effects. Simultaneously, the connecting strip body is made of PVC material with specific performance indicators and has a 0.05mm thick anti-UV coating on its surface, ensuring stable performance under different temperature and humidity conditions, effectively resisting UV corrosion, and possessing excellent weather resistance and anti-aging capabilities. Even with long-term exposure to outdoor environments, it can maintain good performance, reducing replacement and maintenance costs.

The invention relates to the technical field of municipal buildings, and discloses a multi-layer waterproof municipal building structure and a using method thereof.The multi-layer waterproof municipal building structure comprises an outer wrapping plate, a waterproof plate is fixedly installed at the top of the outer wrapping plate, a plurality of drainage grooves distributed at equal intervals are formed in the top of the waterproof plate, the section of each drainage groove is in a V shape, a gypsum board is arranged in the outer wrapping plate, and a waterproof layer is arranged on the outer wrapping plate. According to the invention, a dual drainage path is formed through overall inclined arrangement and matching of the V-shaped structure of the drainage groove and the V-shaped groove and the drainage coating, the overlong size of the waterproof plate can prevent water flow from directly contacting with the gypsum board, damping of the gypsum board is reduced from the source, the V-shaped groove has a ventilation function, the heating assembly can intelligently control temperature and prevent icing in winter, and the heating efficiency is improved. The problem of accumulated water infiltration of a traditional structure is solved, the risk of low-temperature icing blockage is avoided, the protection effects of drainage, ventilation and icing prevention are achieved, and the waterproof and damp-proof stability is greatly improved.

The invention provides a modular building renewal construction method based on near-zero energy consumption, relates to the field of modular buildings, and aims to solve the problem that modular building structural components are exposed to form a heat bridge, outer acanthus and inner acanthus are fixed to the inner side and the outer side of a side frame correspondingly to form renewal wallboards with air layers reserved in the middles, the heat bridge effect is effectively reduced, and the construction efficiency is improved. The energy-saving effect is improved, the situation that an overall airtight layer is not considered in an existing modular building is improved, waterproof vapor-proof films are bonded to the ground plate, the inner leaf plate and the roof plate, the waterproof vapor-proof films on the roof plate and the inner leaf plate are connected in a sealed mode, and a continuous waterproof airtight layer and an airtight layer are formed in the building; and the influence of air permeation on the indoor constant environment is greatly reduced.

The application belongs to the technical field of building lighting materials, and particularly relates to a high-strength anti-falling CFRP lighting plate for buildings and a preparation method thereof. The lighting plate comprises, from bottom to top, a bottom film, a resin matrix layer, an alkali-free, twist-free and glue-free glass fiber layer, a carbon fiber reinforced layer, a co-extrusion anti-aging glue coating layer and an anti-aging UV film layer. The lighting plate is integrally formed through layer-by-layer lamination, infiltration and hot-pressing curing to form a dense composite structure without gaps. The overall thickness of the lighting plate is 1.5-3.0 mm, and the light transmittance is greater than or equal to 70%. Compared with the prior art, the lighting plate has the synergistic optimization of high light transmittance, ultrahigh strength and anti-falling performance, and the weather resistance and service life of the plate are improved. The safety hazard of the high-altitude building lighting part is solved, and the defects of the FRP lighting plate in the prior art, such as insufficient strength, poor anti-falling performance, unreasonable production process, insufficient carbon fiber CFRP reinforcement, poor weather resistance and interlayer stability, are overcome.

A method for constructing a pre-fabricated component of a building, including: configuring a pre-fabricated component of a building based on energy informed modelling; wherein the pre-fabricated component is able to be assembled with at least one other pre-fabricated component into the building at a final site for the building. A method for constructing a building, including: performing site analysis to determine at least one environmental condition; and optimizing at least one pre-fabricated component of the building based on energy informed modelling based on one or more of historical data of a location of the building, weather patterns of the location, climate data of the location, temperature data of the location, solar data of the location, orientation data of the location, occupancy rate of the building, building insulation data, ventilation and infiltration data, exterior fenestration, shades implementation, or pre-fabricated component configuration.

The utility model relates to the field of door and window manufacturing, and discloses an anti-seepage door and window frame which comprises a rectangular frame, four borders on one side of the rectangular frame are respectively provided with a fixed cover plate, a containing cavity is formed between each fixed cover plate and the side face of the rectangular frame, a movable cover plate is arranged in each containing cavity, and each movable cover plate is hinged to the corresponding fixed cover plate. The movable cover plate is connected with a positioning assembly which can drive the movable cover plate to rotate around a hinge point of the corresponding fixed cover plate until the movable cover plate covers the edge of the corresponding frame of the rectangular frame. The door and window frame has the advantages that after the door and window frame is installed on a building and a gap between the door and window frame and the building is filled with the gap, the positioning assembly enables the movable cover plate to rotate to cover the frame edge of the rectangular frame on the door and window frame, and therefore filler between the door and window frame and the building can be protected; leakage between the edge of the door and window frame and a building is prevented, water is prevented from permeating into the position between the rectangular frame and the building, and therefore the door and window frame has the high anti-seepage effect.

The present invention relates to the field of indoor pollution control technology and discloses a method for determining the airtightness of a cleanroom. This method calculates the infiltration air volume into the cleanroom by measuring the air volume and particle concentration in the upper and lower technical mezzanines and fresh air handling units of the cleanroom system, as well as the particle concentration outside the cleanroom system. This method reduces workload while accurately and conveniently determining the airtightness of the cleanroom.

The utility model relates to the technical field of window frame glass, and discloses a window frame glass reinforcing and fixing structure which comprises a first outer frame, second outer frames are fixedly connected to the two sides of the first outer frame, and mounting grooves are formed in the inner walls of the first outer frame and the second outer frames. Through the design of the multiple layers of frames and the connecting pieces, the whole device can provide higher structural stability, resist the influence of wind power and other external force and ensure the safety of the window frame, the air tightness and water tightness of the window frame are greatly improved through the use of the internal fixing plates and the sealing rubber strips, permeation of air and water is reduced, and the service life of the window frame is prolonged. The heat preservation performance and the moisture-proof capacity are improved, the configuration of the double-layer glass is beneficial for improving the sound insulation performance of the window, reducing interference of external noise and improving the comfort degree of the living or working environment, the optimized sealing and heat preservation performance is beneficial for maintaining the indoor temperature and reducing energy consumption, and the requirements of modern buildings for energy conservation and emission reduction are met.

The present inventive concept provides a system for diagnosing a building envelope thermal performance, comprising: a target zone input module for searching for a target zone including at least one outer wall in contact with the outdoor air from among spaces included and partitioned in a building and inputting information about the target zone; an adjacent zone input module for searching for an adjacent zone in contact with the target zone with an inner wall interposed therebetween and inputting information about the adjacent zone; a heating module, provided in the target zone and configured to adjust the internal temperature of the target zone in a preset manner, for uniformly heating the target zone using convection; a heat loss calculation module for calculating the amount of heat loss of the target zone in a preset manner based on a measurement load consumed by the heating module; a solar heat gain calculation module for calculating solar heat gain obtained by the target zone from solar radiation; and an infiltration load calculation module for calculating an infiltration load of the target zone using parameters measured in a preset manner, wherein the heat loss calculation module uses the solar heat gain and the infiltration load, primarily calculates the envelope load using the thermal balance between the target zone and the adjacent zone and secondarily calculates the amount of heat loss from the inner wall based on the envelope load.

To provide a water immersion suppression mechanism of a base isolation layer capable of suppressing water immersion into the base isolation layer SOLUTION: The inundation suppression mechanism of the base isolation layer includes a retaining wall 22 surrounding the base isolation layer supporting a building 10, an inundation groove 30 provided in the retaining wall 22 so as to protrude to the building 10 side, and an expansion joint 40 provided over the building 10 and the retaining wall 22 so as to cover the upper part of the inundation groove 30.SELECTED DRAWING: Figure 2

The utility model relates to an energy-saving anti-seepage metal roof, and belongs to the technical field of building construction. Comprising a plurality of purlines installed on a steel structure building, profiled steel sheets laid on the tops of the purlines, vapor-proof films laid on the profiled steel sheets, heat preservation cotton laid on the tops of the vapor-proof films, waterproof coiled materials installed on the tops of the heat preservation cotton, a plurality of roof panels laid on the tops of the waterproof coiled materials, supports arranged between the adjacent roof panels, and cold-bridge-preventing supports arranged in the heat preservation cotton. The bottom of the anti-cold-bridge support is connected with the profiled steel sheet through a self-tapping screw; a waterproof integrated disc is arranged between the anti-cold-bridge support and the roof panel, and the integrated disc and the waterproof coiled material are arranged on the same layer. According to the utility model, the common leakage problem of the traditional metal roof is solved, the cold and hot bridge effect of the roof is reduced, the service life of the roof is prolonged, and the later maintenance cost is reduced.

A low-emittance material having improved energy efficiency protection against air infiltration and moisture build-up in buildings is disclosed. The aforementioned low-emittance material utilizes existing framing openings or without increasing the wall profile of a building. The present invention provides a low-emittance material which may be implemented on traditional 2×4 framing having R-15 mass insulation material within existing or newly constructed framing cavities. The material of the present invention also meets requirements for serving as a water resistive barrier as defined by ICC AC38.

This application relates to the field of foundation reinforcement and correction technology, and specifically to a method for reinforcing and correcting weak foundations in collapsible loess areas affected by water infiltration. The method involves using quicklime piles to drain water sources around the building to be reinforced and to seal and limit the spread of water in the infiltrated area; using lightweight wellpoint dewatering to drain free water within the water-soaked area of ​​the foundation; and using borehole recharge to correct and adjust the settlement and tilt of the building. After the quicklime piles have fully absorbed water and consolidated, and the soil strength reaches the set requirements, the dewatering wells and recharge wells are backfilled and sealed. Data is collected periodically by installing moisture sensors and settlement observation points to determine whether the soil is approaching a stable state. This method is suitable for treating foundation instability and building tilting in collapsible loess caused by external water infiltration, avoiding secondary damage to buildings caused by large-scale excavation, and has advantages such as convenient construction and minimal environmental impact.

The utility model discloses an anti-seepage device for water supply and drainage of constructional engineering, which comprises a water supply and drainage pipe through hole reserved on a wall body and a pipe body inserted in the water supply and drainage pipe through hole, an anti-seepage device body is sleeved on the pipe body, and the anti-seepage device body comprises an external thread sleeve. And an elastic wear-resisting assembly which is in tight extrusion contact with the outer side of the pipe body is mounted in the external thread sleeve. By arranging a series of structures, sealing shielding can be firstly formed on the two sides in a spiral butt joint tensioning assembly mode, then grouting solidification is carried out, the blocking sealing and solidification two-stage sealing effect is formed, stable sealing anti-seepage plugging can be effectively carried out between the pipe body and the water supply and drainage pipe penetrating hole, and the sealing effect is good. The risk that outside rainwater permeates into a room through small gaps of the pipe penetrating space to cause moisture and damage to home furnishing is reduced, the overall blocking and seepage preventing effect is improved, blocking and blocking limiting on the two sides are utilized, slurry can be stably limited in water supply and drainage pipe penetrating holes for solidification work, and the phenomenon that the slurry permeates outwards in the solidification process is avoided.

A low-emittance material having improved energy efficiency protection against air infiltration and moisture build-up in buildings is disclosed. The aforementioned low-emittance material utilizes existing framing openings or without increasing the wall profile of a building. The present invention provides a low-emittance material which may be implemented on traditional 2×4 framing having R-15 mass insulation material within existing or newly constructed framing cavities. The material of the present invention also meets requirements for serving as a water resistive barrier as defined by ICC AC38.