Building waterproof and thermal insulation structure

Abstract

The utility model provides a kind of building waterproof heat preservation structure, including mounting bracket, mounting plate, first leveling layer, first waterproof layer, heat preservation layer, second waterproof layer, second leveling layer and facing layer;The mounting bracket is fixed on building outer wall, and the mounting plate is fixed on mounting bracket;The first leveling layer, first waterproof layer, heat preservation layer, second waterproof layer, second leveling layer and facing layer are sequentially stacked from inside to outside in the surface of mounting plate, wherein the first leveling layer is innermost layer, and the facing layer is outermost layer, and the heat preservation layer is composite insulation board, including inner layer's extruded polystyrene foam board and outer layer's phenolic foam board, and two layers are fixed by adhesive bonding between adhesive bonding.The utility model can adapt to cold and rainy area environment, reduce energy loss and water seepage problem.

Description

Technical Field

[0001] This utility model relates to the field of building waterproofing technology, and in particular to a building waterproofing and thermal insulation structure. Background Technology

[0002] In the field of building construction, the waterproofing and thermal insulation performance of exterior walls are key factors affecting building durability, living comfort, and energy consumption. With the continuous improvement of building energy efficiency standards and people's increasing demands for living environments, traditional exterior wall waterproofing and thermal insulation structures are gradually revealing numerous problems.

[0003] Many buildings employ a structural design where a single waterproof layer and an insulation layer overlap on the exterior walls. The waterproof layer often uses ordinary asphalt membrane or waterproof coating, which has poor aging resistance and is prone to cracking and blistering under long-term ultraviolet radiation, temperature changes, and rainwater erosion, leading to waterproofing failure and subsequent wall leakage. The insulation layer typically uses a single material, such as polystyrene foam board or rock wool board. While polystyrene foam board offers good insulation, it has a low fire resistance rating and is prone to melting and dripping at high temperatures, posing a safety hazard. Utility Model Content

[0004] To address the above problems, this utility model provides a building waterproof and thermal insulation structure.

[0005] To solve the above problems, the technical solution adopted by this utility model is as follows:

[0006] A building waterproof and thermal insulation structure includes an installation frame, an installation plate, a first leveling layer, a first waterproof layer, a thermal insulation layer, a second waterproof layer, a second leveling layer, and a finishing layer;

[0007] The mounting frame is fixed to the exterior wall of the building, and the mounting plate is fixed to the mounting frame;

[0008] The first leveling layer, the first waterproof layer, the thermal insulation layer, the second waterproof layer, the second leveling layer, and the finishing layer are stacked sequentially on the surface of the mounting plate from the inside out, wherein the first leveling layer is the innermost layer and the finishing layer is the outermost layer.

[0009] Preferably, the insulation layer is a composite insulation board, comprising an inner extruded polystyrene foam board and an outer phenolic foam board, the two layers being bonded and fixed together by an adhesive.

[0010] Preferably, the thickness of the extruded polystyrene foam board is 50-80mm, and the thickness of the phenolic foam board is 30-50mm.

[0011] Preferably, both the first and second waterproof layers are modified bitumen waterproof membranes, and a sealant layer is provided at the overlap of adjacent membranes.

[0012] Preferably, the modified bitumen waterproof membrane has a thickness of 3-5 mm and an overlap width of 80-100 mm; the sealant layer is a silicone sealant with a thickness of 2-3 mm.

[0013] Preferably, both the first leveling layer and the second leveling layer are cement mortar layers with a thickness of 20-30mm.

[0014] Preferably, the finishing layer is exterior wall brick.

[0015] The beneficial effects of this utility model are as follows:

[0016] 1. Excellent waterproof and thermal insulation performance: It constructs a three-dimensional waterproof barrier through double-layer modified bitumen waterproof membrane and sealing treatment, while the composite insulation board takes into account both low thermal conductivity and high fire resistance, and can adapt to cold and rainy environments, reducing energy consumption and water seepage problems.

[0017] 2. The structure has strong stability. Each level is scientifically connected and constructed using advanced techniques. Expansion joints and deformation joints are installed to release stress, reduce the risk of cracking and falling off, extend the service life of the building's exterior walls, and improve living comfort. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a side view of the present invention.

[0020] Figure 3 This is a three-dimensional structural diagram of the mounting plate of this utility model;

[0021] In the diagram: 1. Mounting bracket, 2. Mounting plate, 3. First leveling layer, 4. First waterproof layer, 5. Insulation layer, 6. Second waterproof layer, 7. Second leveling layer, 8. Finishing layer. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] Reference Figure 1-3 A building waterproof and thermal insulation structure is described. The mounting frame 1 is made of hot-dip galvanized angle steel and is fixed to the main structure of the building's exterior wall using expansion bolts at intervals of 600-800mm to ensure overall support strength. Its surface is treated with sandblasting to remove rust, and the coating thickness reaches more than 80μm, which can effectively resist corrosion from the outdoor environment and extend its service life.

[0026] Mounting plate 2 is made of 8-12mm thick fiber cement pressure board, which is tightly connected to mounting frame 1 with self-tapping screws. A 5-8mm expansion joint is left between the plates and filled with elastic sealant to cope with deformation caused by temperature changes. The board itself has fireproof and moisture-proof properties, providing a flat and solid foundation for subsequent functional layers.

[0027] The first leveling layer (layer 3) serves as the inner foundation leveling structure. It is constructed using M15 grade cement mortar applied in layers with a thickness strictly controlled between 20-30mm. During construction, expansion joints are installed at intervals not exceeding 6m, with a joint width of 5-10mm. These joints are inlaid with weather-resistant sealant to effectively prevent cracking caused by temperature stress.

[0028] The first waterproof layer (layer 4) uses a 3-5mm thick SBS modified bitumen waterproof membrane, applied using a hot-melt method for full adhesion. The long side overlap width is 80-100mm, and the short side overlap width is no less than 100mm. After hot-melt compaction of the overlaps, a 2-3mm thick layer of silicone sealant is applied to the surface, forming a double waterproof layer. An additional 500mm wide layer is added at the corners, with a radius of curvature controlled at 50mm or more, to enhance the waterproofing of these special areas.

[0029] Insulation layer 5 adopts a composite insulation board design. The inner layer is a 50-80mm thick extruded polystyrene foam board (XPS board) with a thermal conductivity ≤0.030W / (m·K) and compressive strength ≥200kPa. The outer layer is a 30-50mm thick phenolic foam board with an oxygen index ≥35% and excellent fire resistance. The two layers are fully bonded together with a special polyurethane adhesive, with a bonding area of ​​not less than 80%. The edges are reinforced with mechanical fasteners to ensure a strong bond between the layers.

[0030] The second waterproof layer 6 echoes the first waterproof layer 4, also using modified bitumen waterproof membrane, and the construction process is consistent with the first waterproof layer. This layer further blocks external moisture from penetrating the insulation layer, while preventing the insulation material from deteriorating due to long-term moisture exposure, thus forming a three-dimensional waterproof barrier together with the first waterproof layer.

[0031] The second leveling layer 7 uses the same cement mortar material and construction process as the first leveling layer. Its main function is to compensate for minor unevenness after the construction of the insulation and waterproofing layers, providing a smooth base for the finishing layer. Its surface flatness error is controlled within 3mm / m to ensure that the subsequent finishing layer is firmly adhered.

[0032] The finishing layer 8 uses exterior wall tiles with a water absorption rate of ≤6%, with dimensions of 240mm×60mm or 150mm×150mm. A special tile adhesive is used for thin-set application, resulting in an adhesive layer thickness of 3-5mm. The tile joint width is controlled at 5-8mm, filled with crack-resistant and waterproof grout, and the surface is smoothed. During installation, a 10mm wide expansion joint is set every 5-6m, embedded with foam rods and weather-resistant sealant to effectively release temperature stress and prevent blistering and peeling of the finishing layer.

[0033] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A building waterproof and thermal insulation structure, characterized in that, It includes a mounting bracket (1), a mounting plate (2), a first leveling layer (3), a first waterproof layer (4), a thermal insulation layer (5), a second waterproof layer (6), a second leveling layer (7), and a finishing layer (8); The mounting bracket (1) is fixed to the exterior wall of the building, and the mounting plate (2) is fixed to the mounting bracket (1); The first leveling layer (3), the first waterproof layer (4), the thermal insulation layer (5), the second waterproof layer (6), the second leveling layer (7), and the finishing layer (8) are stacked sequentially on the surface of the mounting plate (2) from the inside out, wherein the first leveling layer (3) is the innermost layer and the finishing layer (8) is the outermost layer.

2. The building waterproof and thermal insulation structure according to claim 1, characterized in that, The insulation layer (5) is a composite insulation board, including an inner extruded polystyrene foam board and an outer phenolic foam board, which are bonded and fixed together by an adhesive.

3. The building waterproof and thermal insulation structure according to claim 2, characterized in that, The thickness of the extruded polystyrene foam board is 50-80mm, and the thickness of the phenolic foam board is 30-50mm.

4. The building waterproof and thermal insulation structure according to claim 1, characterized in that, The first waterproof layer (4) and the second waterproof layer (6) are both modified bitumen waterproof membranes, and a sealant layer is provided at the overlap of adjacent membranes.

5. The building waterproof and thermal insulation structure according to claim 4, characterized in that, The modified bitumen waterproof membrane has a thickness of 3-5mm and an overlap width of 80-100mm; the sealant layer is silicone sealant with a thickness of 2-3mm.

6. The building waterproof and thermal insulation structure according to claim 1, characterized in that, The first leveling layer (3) and the second leveling layer (7) are both cement mortar layers with a thickness of 20-30mm.

7. The building waterproof and thermal insulation structure according to claim 1, characterized in that, The finishing layer (8) is exterior wall bricks.

Images