Wall body heat preservation waterproof structure with function of preventing outer wall paint from falling off

Abstract

The utility model discloses a wall thermal insulation waterproof structure with a function of preventing outer wall paint from falling off, a thermal insulation mortar layer is used for improving the thermal insulation performance of a wall, a gridding cloth layer is used for enhancing the strength and crack resistance of the wall, and a leveling putty layer is used for achieving surface flatness. The light mortar leveling layer is arranged to improve the flatness of the wall surface, the aluminum alloy keel (equivalently embedded in the light mortar leveling layer) is arranged to provide firm support for the subsequent fluorocarbon finish paint layer, the adhesive force and the stability of the final fluorocarbon finish paint layer are improved, and the function of preventing the outer wall coating from falling off is achieved. Meanwhile, the fluorocarbon finish paint layer has excellent weather resistance and waterproof effect; finally, the problems that a traditional outer wall coating is prone to falling off, poor in waterproof performance and poor in heat preservation effect are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building outer wall construction technical field especially relates to a wall body heat preservation waterproof structure with prevent outer wall paint from falling off function. BACKGROUND

[0002] With the acceleration of urbanization and the improvement of people's living standards, the aesthetics, weather resistance and functionality of building outer walls are increasingly valued. Traditional outer wall coating construction methods have many problems: (1) poor thermal insulation performance, leading to high building energy consumption; (2) outer wall paint is prone to falling off, affecting the aesthetics of the building; (3) poor waterproof performance, easily leading to indoor water seepage; (4) insufficient weather resistance, requiring frequent maintenance.

[0003] These problems not only affect the aesthetics of the building, but also may lead to indoor water seepage, seriously affecting the service life and living comfort of the building. In particular, in coastal areas or areas with variable weather, these problems are more prominent. Although there are various outer wall coating products on the market, most of them can only solve a single problem, such as focusing only on waterproofing or only on thermal insulation, lacking comprehensive solutions. Therefore, it is of great practical significance and market value to develop a wall body heat preservation waterproof structure that not only has good thermal insulation and waterproof performance, but also prevents outer wall paint from falling off. SUMMARY

[0004] The utility model aims at providing a wall body heat preservation waterproof structure with prevent outer wall paint from falling off function, which has good thermal insulation and waterproof performance and prevents outer wall paint from falling off.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a wall body heat preservation waterproof structure with prevent outer wall paint from falling off function, which comprises a wall body layer, a thermal insulation mortar layer arranged outside the wall body layer, a mesh cloth layer arranged outside the thermal insulation mortar layer, a leveling putty layer arranged outside the mesh cloth layer, an aluminum alloy furring strip arranged outside the leveling putty layer, a lightweight mortar leveling layer arranged outside the leveling putty layer and located at the uncovered part of the aluminum alloy furring strip, a smooth putty layer arranged outside the lightweight mortar leveling layer, a primer layer arranged outside the smooth putty layer, a middle paint layer arranged outside the primer layer, a first spray layer arranged on the aluminum alloy furring strip, a second spray layer arranged on the first spray layer, and a fluorocarbon topcoat layer arranged outside the middle paint layer and the second spray layer.

[0006] The utility model is further provided as follows: the thermal insulation mortar layer is selected from nano thermal insulation mortar, the thermal conductivity coefficient is less than or equal to 0.065 W / (m·K), and the thickness is 20-30 mm.

[0007] The mesh cloth layer is made of alkali glass fiber mesh cloth, and the mesh spacing is 5mm*5mm.

[0008] The leveling putty layer is made of polymer modified leveling putty, and the thickness is 2-3mm.

[0009] The aluminum alloy keel comprises a plurality of vertical profiles arranged and distributed along a horizontal direction and a plurality of horizontal profiles arranged and distributed along a vertical direction.

[0010] The thickness of the lightweight mortar leveling layer is 5-8mm.

[0011] The smooth putty layer is made of acrylate smooth putty, and the thickness is 1-2mm.

[0012] The primer layer is made of permeable epoxy sealing primer, and the thickness is 40-60μm; the intermediate coating layer is made of high solid content acrylate intermediate coating, and the thickness is 70-90μm.

[0013] The first spraying layer and the second spraying layer are both made of polyurethane paint, and the thickness of the first spraying layer is 50-70μm.

[0014] The fluorocarbon finish layer comprises a first finish layer sprayed by using a gasless spraying mode and a second finish layer rolled by using a short wool sheep wool cylinder, the thickness of the first finish layer is 40-60μm, and the thickness of the second finish layer is 40-60μm.

[0015] The utility model discloses the beneficial effects are:

[0016] 1, the setting of the thermal insulation mortar layer is used for improving the thermal insulation performance of the wall, the setting of the mesh cloth layer is used for enhancing the strength and crack resistance of the wall, the setting of the leveling putty layer is used for realizing the surface flatness, the setting of the lightweight mortar leveling layer is used for improving the wall surface flatness, the setting of the aluminum alloy keel (equivalent to being embedded in the lightweight mortar leveling layer) is used for providing firm support for the subsequent fluorocarbon finish layer, improving the adhesion and stability of the final fluorocarbon finish layer, having the function of preventing the peeling of the external wall coating, and the fluorocarbon finish layer has excellent weather resistance and waterproof effect;

[0017] 2. Overall improvement of thermal insulation performance: through the combination of thermal insulation mortar layer, leveling putty layer, lightweight mortar leveling layer and smooth putty layer, the thermal insulation effect of the external wall is significantly improved, and the building energy consumption is effectively reduced;

[0018] 3. Excellent waterproof performance: fluorocarbon topcoat layer is used as the final coating, forming a strong waterproof barrier to effectively prevent rainwater penetration;

[0019] 4. Effectively prevent falling: the multi-layer composite structure, especially the aluminum alloy keel layer, provides firm support for the subsequent fluorocarbon topcoat layer, greatly improving the adhesion and stability of the coating;

[0020] 5. Strong adaptability: the structure is suitable for various climate conditions and building types, especially suitable for harsh environments such as coastal areas, high temperatures, and heavy rain.

[0021] Improve weather resistance: the fluorocarbon topcoat layer has excellent weather resistance, significantly extending the service life of the external wall coating and reducing maintenance costs; at the same time, the fluorocarbon topcoat layer includes a first topcoat layer sprayed by airless spraying and a second topcoat layer rolled by a short wool roller, the first topcoat layer can improve the waterproof performance and weather resistance, and the second topcoat layer further increases the waterproof effect and weather resistance. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic diagram of the utility model;

[0023] Figure 2 is Figure 1 a local enlarged view of A in

[0024] Figure 3 is a local structural schematic diagram of the aluminum alloy keel in the utility model;

[0025] Figure 4 is another local structural schematic diagram of the aluminum alloy keel in the utility model.

[0026] Reference signs: 1, wall layer; 2, thermal insulation mortar layer; 3, mesh cloth layer; 4, leveling putty layer; 5, aluminum alloy keel; 51, vertical profile; 52, horizontal profile; 6, lightweight mortar leveling layer; 7, smooth putty layer; 8, primer layer; 9, midcoat layer; 10, first spraying layer; 11, second spraying layer; 12, fluorocarbon topcoat layer; 121, first topcoat layer; 122, second topcoat layer. DETAILED DESCRIPTION

[0027] The utility model will be further described in detail in combination with the drawings.

[0028] Embodiment: a wall thermal insulation waterproof structure with the function of preventing external wall paint from falling off, like Figure 1 and Figure 2As shown, in turn, including wall layer 1, the setting of wall layer 1 outside the thermal insulation mortar layer 2, the setting of thermal insulation mortar layer 2 outside the grid cloth layer 3, the setting of grid cloth layer 3 outside the leveling putty layer 4, the setting of leveling putty layer 4 outside the aluminum alloy furring 5, the setting of the light-weight mortar leveling layer 6 outside the leveling putty layer 4 and located in the aluminum alloy furring 5 not covered, the setting of the light-weight mortar leveling layer 6 outside the smooth putty layer 7, the setting of the smooth putty layer 7 outside the primer layer 8, the setting of the primer layer 8 outside the intermediate paint layer 9, the setting of the first spray layer 10 on the aluminum alloy furring 5, the setting of the second spray layer 11 on the first spray layer 10, the setting of the fluorocarbon topcoat layer 12 outside the intermediate paint layer 9 and the second spray layer 11.

[0029] As shown in Figure 1 and Figure 2 , in the thermal insulation mortar layer 2, the nano thermal insulation mortar is selected, the thermal conductivity coefficient is ≤0.065 W / (m•K), and the thickness is 20-30 mm. When constructing, it is evenly applied outside the cleaned wall layer 1, thereby improving the thermal insulation performance of the wall layer 1.

[0030] As shown in Figure 1 and Figure 2 , the grid cloth layer 3 selects alkali glass fiber grid cloth, the grid spacing is 5 mm×5 mm, and is laid on the thermal insulation mortar layer 2, and the lap width is not less than 100 mm, thereby significantly increasing the strength and crack resistance of the wall layer 1.

[0031] As shown in Figure 1 and Figure 2 , the leveling putty layer 4 selects polymer modified leveling putty, and the thickness is 2-3 mm, thereby realizing surface flatness.

[0032] As shown in Figures 1 to 4 , the aluminum alloy furring 5 includes a plurality of vertical profiles 51 with a cross section in the shape of “T” and arranged and distributed along the horizontal direction, a plurality of horizontal profiles 52 arranged and distributed along the vertical direction between adjacent vertical profiles 51, and the aluminum alloy furring 5 and the wall layer 1 are fixed by a plurality of expansion bolts (not shown in the figure), and the spacing between two adjacent vertical profiles 51 is 600 mm. The cross section of the vertical profile 51 is in the shape of “T”, the cross section of the horizontal profile 52 is mainly in the shape of “N” and both sides are provided with extension strip parts, and the inside bottom of the main body of the horizontal profile 52 in the shape of “N” is provided with an anti-skid strip to improve the adhesion during subsequent spraying. The two ends of the horizontal profile 52 rest on the two vertical profiles 51.

[0033] As shown in Figure 1 and Figure 2 , at the same time, the light-weight mortar leveling layer 6 uses modified light-weight mortar, and the thickness is 5-8 mm, thereby further improving the wall flatness.

[0034] As shown in Figure 1 and Figure 2 The putty layer 7 is selected from acrylic putty, and the thickness is 1-2mm, thereby preparing for subsequent spraying. Meanwhile, the putty layer 7 is polished and leveled using 800 mesh sandpaper, ensuring the smoothness of the surface, and is finely polished using 1000 mesh sandpaper, and then is maintained with clean water for 48 hours.

[0035] As shown in Figure 1 and Figure 2 The primer layer 8 is selected from a permeable epoxy sealing primer, and is constructed by using airless spraying, with a spraying pressure of 0.3-0.4Mpa, and a thickness of 40-60μm. The intermediate coating layer 9 is selected from a high solid content acrylic ester intermediate coating, and is constructed by using a wool cylinder roller, with a thickness of 70-90μm.

[0036] As shown in Figure 1 and Figure 2 The first spraying layer 10 and the second spraying layer 11 are both selected from polyurethane paint, and the thickness of the first spraying layer 10 is 50-70μm.

[0037] As shown in Figure 1 and Figure 2 The fluorocarbon topcoat layer 12 includes a first topcoat layer 121 and a second topcoat layer 122. The first topcoat layer 121 is constructed by using airless spraying, with a spraying pressure of 0.4-0.5Mpa, and a thickness of 40-60μm. The second topcoat layer 122 is constructed by using a short wool cylinder roller, with a thickness of 40-60μm.

[0038] Effects: The setting of the thermal insulation mortar layer 2 is used to improve the thermal insulation performance of the wall, the setting of the mesh cloth layer 3 is used to enhance the strength and crack resistance of the wall, the setting of the leveling putty layer 4 is used to achieve surface leveling, the setting of the lightweight mortar leveling layer 6 is used to improve the wall surface flatness, the setting of the aluminum alloy furring 5 (equivalent to being embedded in the lightweight mortar leveling layer 6) is used to provide firm support for the subsequent fluorocarbon topcoat layer 12, improve the adhesion and stability of the final fluorocarbon topcoat layer 12, and has the function of preventing the falling of the exterior wall coating, and the fluorocarbon topcoat layer 12 has excellent weather resistance and waterproof effect; finally solves the problems of easy falling of traditional exterior wall coating, poor waterproof performance, and poor thermal insulation effect.

[0039] (1) Overall improvement of thermal insulation performance: through the combination of thermal insulation mortar layer 2, leveling putty layer 4, lightweight mortar leveling layer 6, and smooth putty layer 7, the thermal insulation effect of the external wall is significantly improved, and the building energy consumption is effectively reduced. (2) Excellent waterproof performance: fluorocarbon topcoat layer 12 is used as the final coating layer, forming a strong waterproof barrier to effectively prevent rainwater penetration. (3) Effective prevention of falling: the multi-layer composite structure, especially the aluminum alloy furring 5 layer, provides firm support for the subsequent fluorocarbon topcoat layer 12, greatly improving the adhesion and stability of the coating. (4) Strong adaptability: this structure is suitable for various climate conditions and building types, especially suitable for harsh environments such as coastal areas, high temperatures, and heavy rains. (5) Improved weather resistance: fluorocarbon topcoat layer 12 has excellent weather resistance, significantly extending the service life of the external wall coating and reducing maintenance costs; meanwhile, fluorocarbon topcoat layer 12 includes first topcoat layer 121 sprayed by airless spraying and second topcoat layer 122 rolled by short wool sheep roller, first topcoat layer 121 can improve waterproof performance and weather resistance, and second topcoat layer 122 further increases waterproof effect and weather resistance.

[0040] The specific embodiments are merely an explanation of the present application, and are not a limitation of the present application. Those skilled in the art can make modifications to the embodiments without creative contribution after reading the specification, as long as the modifications are within the scope of the claims of the present application.

Claims

1. A wall insulation and waterproofing structure with the function of preventing exterior wall paint peeling, characterized in that: The wall body layer (1), the thermal insulation mortar layer (2) arranged outside the wall body layer (1), the mesh cloth layer (3) arranged outside the thermal insulation mortar layer (2), the leveling putty layer (4) arranged outside the mesh cloth layer (3), the aluminum alloy furring (5) arranged outside the leveling putty layer (4), the lightweight mortar leveling layer (6) arranged outside the leveling putty layer (4) and located at the uncovered position of the aluminum alloy furring (5), the smooth putty layer (7) arranged outside the lightweight mortar leveling layer (6), the primer layer (8) arranged outside the smooth putty layer (7), the intermediate coating layer (9) arranged outside the primer layer (8), the first spray coating layer (10) arranged on the aluminum alloy furring (5), the second spray coating layer (11) arranged on the first spray coating layer (10), and the fluorocarbon topcoat layer (12) arranged outside the intermediate coating layer (9) and the second spray coating layer (11).

2. The wall heat-insulation waterproof structure with the function of preventing the external wall paint from falling off according to claim 1, characterized in that: The thermal insulation mortar layer (2) is made of nano thermal insulation mortar, the thermal conductivity coefficient is less than or equal to 0.065 W / (m•K), and the thickness is 20-30 mm.

3. The wall thermal insulation waterproof structure with the function of preventing the falling of the exterior wall paint according to claim 1, characterized in that: The mesh cloth layer (3) is made of alkali glass fiber mesh cloth, the mesh spacing is 5 mm*5 mm, the mesh cloth layer (3) is arranged on the thermal insulation mortar layer (2), and the overlap width is not less than 100 mm.

4. The wall heat-insulation waterproof structure with the function of preventing the falling of the exterior wall paint according to claim 1, characterized in that: The leveling putty layer (4) is made of polymer modified leveling putty, and the thickness is 2-3 mm.

5. The wall heat-insulation waterproof structure with the function of preventing the falling of the exterior wall paint according to claim 1, characterized in that: The aluminum alloy furring (5) comprises a plurality of vertical profiles (51) arranged and distributed along the horizontal direction and a plurality of horizontal profiles (52) arranged and distributed along the vertical direction, the interval between two adjacent vertical profiles (51) is 600 mm.

6. The wall heat-insulation waterproof structure with the function of preventing the falling of the exterior wall paint according to claim 1, characterized in that: The thickness of the lightweight mortar leveling layer (6) is 5-8 mm.

7. The wall heat-insulation waterproof structure with the function of preventing the falling of the exterior wall paint according to claim 1, characterized in that: The smooth putty layer (7) is made of acrylate smooth putty, and the thickness is 1-2 mm.

8. The wall heat-insulation waterproof structure with the function of preventing the falling of the exterior wall paint according to claim 1, characterized in that: The primer layer (8) is made of permeable epoxy sealing primer, and the thickness is 40-60 microns; the intermediate coating layer (9) is made of high solid content acrylate intermediate coating, and the thickness is 70-90 microns.

9. The wall heat-insulation waterproof structure with the function of preventing the falling of the exterior wall paint according to claim 1, characterized in that: The first spray coating layer (10) and the second spray coating layer (11) are both made of polyurethane paint, and the thickness of the first spray coating layer (10) is 50-70 microns.

10. The wall heat-insulation waterproof structure with the function of preventing the falling of the exterior wall paint according to claim 1, characterized in that: The fluorocarbon topcoat layer (12) comprises a first topcoat layer (121) sprayed by using airless spraying and a second topcoat layer (122) rolled by using a short wool roller, the thickness of the first topcoat layer (121) is 40-60 microns, and the thickness of the second topcoat layer (122) is 40-60 microns.

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