Newly-added waterproof heat preservation structure of existing outer wall
By adding waterproof and thermal insulation structures on the exterior walls of old buildings, including a combination of multi-layered waterproof and thermal insulation materials, the problems of leakage and thermal insulation functions of old buildings are solved, and efficient waterproof and thermal insulation effects are achieved, which is suitable for large-scale promotion and application.
Patent Information
- Application Number
- CN202421675536.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-15
AI Technical Summary
The exterior walls of existing old buildings lack waterproofing and thermal insulation functions, resulting in problems such as leakage, energy waste and aging and damage to the exterior.
Without destroying the original structure wall, waterproof and insulation structure is added, including cement mortar leveling layer, waterproof mortar layer, insulation layer, smear layer, waterproof coating layer, putty layer and paint surface layer. The waterproof and insulation effect are achieved through the combination of these layers.
It effectively solves the problems of leakage, lack of insulation functions and aging and damage to the exterior of old buildings, improves the waterproof and insulation performance of the buildings, and reduces construction costs and construction periods.
Smart Images
Figure CN222835125U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of renovation and reconstruction of existing buildings, in particular to the technical field of renovation and reconstruction of existing exterior walls, and specifically refers to a newly added waterproof and heat-insulating structure for an existing exterior wall. Background Art
[0002] With the progress of society and the improvement of people's living standards, many early masonry structures can no longer meet people's living and use needs.
[0003] For example, because some early structural exterior walls were not waterproofed, serious leakage occurred on the exterior walls; in addition, the lack of exterior wall insulation led to increased building energy consumption, resulting in energy waste, which is not conducive to the trend of sustainable development.
[0004] Compared with the wall structure of a new building, adding waterproofing and thermal insulation to the renovation of masonry structures has the following advantages: short construction period, convenient construction, and low cost. Therefore, adding waterproofing and thermal insulation to existing masonry structures is a practical method.
[0005] Therefore, it is hoped to provide a new waterproof and thermal insulation structure for an existing exterior wall, which can add a waterproof and thermal insulation structure without destroying the original structural wall, so as to solve the problems of leakage in existing old buildings, lack of thermal insulation function, and aging and damage of exterior decoration. Utility Model Content
[0006] In order to overcome the shortcomings of the above-mentioned prior art, one purpose of the utility model is to provide a new waterproof and thermal insulation structure for an existing exterior wall, which can add a waterproof and thermal insulation structure without destroying the original structural wall, solve the problems of leakage in existing old buildings, lack of thermal insulation function and aging and damage of exterior decoration, and is suitable for large-scale promotion and application.
[0007] Another object of the utility model is to provide a new waterproof and heat-insulating structure for an existing exterior wall, which has a clever design, a simple structure, simple construction, and a low construction cost, and is suitable for large-scale promotion and application.
[0008] In order to achieve the above purpose, the utility model provides a newly added waterproof and thermal insulation structure of an existing exterior wall, including an existing brick masonry wall, wherein the existing brick masonry wall is arranged vertically and along the front-back direction, and is characterized in that the newly added waterproof and thermal insulation structure of the existing exterior wall also includes a cement mortar leveling layer, a waterproof mortar layer, a thermal insulation layer, a plastering mortar layer, a waterproof coating layer, a putty layer and a coating surface layer, wherein:
[0009] The cement mortar leveling layer, the waterproof mortar layer, the thermal insulation layer, the plastering mortar layer, the waterproof coating layer, the putty layer and the coating surface layer are all arranged vertically and along the front-to-back direction and are sequentially laid out from left to right. The existing brick masonry wall and the cement mortar leveling layer are sequentially laid out from left to right.
[0010] Preferably, the thickness of the existing brick masonry wall is 240 mm, and the strength of the existing brick masonry wall is MU10.
[0011] Preferably, the thickness of the cement mortar leveling layer is 20 mm, and the strength of the cement mortar leveling layer is M15.
[0012] Preferably, the thickness of the waterproof mortar layer is 20 mm.
[0013] Preferably, the insulation layer is a rock wool board layer, the thickness of the insulation layer is 80 mm, and the insulation layer and the waterproof mortar layer are bonded by an adhesive and anchored by anchor bolts.
[0014] Preferably, the plastering mortar layer includes a left plastering mortar layer, a middle plastering mortar layer and a right plastering mortar layer, the left plastering mortar layer, the middle plastering mortar layer and the right plastering mortar layer are all arranged vertically and along the front-to-back direction and are sequentially arranged from left to right, the left plastering mortar layer is located on the right side of the thermal insulation layer and covers the thermal insulation layer and is anchored to the thermal insulation layer by anchor bolts, the thickness of the left plastering mortar layer is 3mm to 6mm, the thickness of the middle plastering mortar layer is 3mm to 6mm, and the thickness of the right plastering mortar layer is smaller than the thickness of the left plastering mortar layer and the thickness of the middle plastering mortar layer, respectively.
[0015] More preferably, the left plastering mortar layer includes a first plastering mortar layer and a first alkali-resistant glass fiber mesh cloth, the first plastering mortar layer and the first alkali-resistant glass fiber mesh cloth are both arranged vertically and along the front-to-back direction, and the first alkali-resistant glass fiber mesh cloth is located in the first plastering mortar layer; the middle plastering mortar layer includes a second plastering mortar layer and a second alkali-resistant glass fiber mesh cloth, the second plastering mortar layer and the second alkali-resistant glass fiber mesh cloth are both arranged vertically and along the front-to-back direction, and the second alkali-resistant glass fiber mesh cloth is located in the second plastering mortar layer; the right plastering mortar layer is a third plastering mortar layer.
[0016] Preferably, the waterproof coating layer is a JS polymer cement waterproof coating layer, and the thickness of the waterproof coating layer is 2 mm.
[0017] Preferably, the putty layer is a flexible water-resistant putty layer, and the bonding strength of the putty layer is above 0.3 Mpa.
[0018] Preferably, the paint surface layer includes a primer paint layer, a first exterior wall real stone paint layer and a second exterior wall real stone paint layer, the primer paint layer, the first exterior wall real stone paint layer and the second exterior wall real stone paint layer are all arranged vertically and along the front-to-back direction and are sequentially laid out from left to right, and the putty layer and the primer paint layer are sequentially laid out from left to right.
[0019] The beneficial effects of the utility model are mainly:
[0020] 1. The newly added waterproof and thermal insulation structure of the existing exterior wall of the utility model includes an existing brick masonry wall, a cement mortar leveling layer, a waterproof mortar layer, an insulation layer, a plastering mortar layer, a waterproof coating layer, a putty layer and a coating surface layer. The existing brick masonry wall, the cement mortar leveling layer, the waterproof mortar layer, the insulation layer, the plastering mortar layer, the waterproof coating layer, the putty layer and the coating surface layer are all arranged vertically and along the front-to-back direction and are sequentially arranged from left to right. Therefore, it can increase the waterproof and thermal insulation structure without destroying the original structural wall, solve the problems of leakage in existing old buildings, lack of thermal insulation function and aging and damage of exterior decoration, and is suitable for large-scale promotion and application.
[0021] 2. The newly added waterproof and heat-insulating structure of the existing exterior wall of the utility model includes an existing brick masonry wall, a cement mortar leveling layer, a waterproof mortar layer, a heat-insulating layer, a plastering mortar layer, a waterproof coating layer, a putty layer and a coating surface layer. The existing brick masonry wall, the cement mortar leveling layer, the waterproof mortar layer, the heat-insulating layer, the plastering mortar layer, the waterproof coating layer, the putty layer and the coating surface layer are all arranged vertically and along the front-to-back direction and are sequentially pasted from left to right. Therefore, the utility model has ingenious design, simple structure, simple construction, low construction cost and is suitable for large-scale promotion and application.
[0022] These and other objects, features and advantages of the present invention are fully reflected in the following detailed description and drawings, and can be achieved by the means, devices and their combinations specifically pointed out in the content of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a partial schematic diagram of a main cross-section of a specific embodiment of a newly added waterproof and heat-insulating structure for an existing exterior wall of the utility model.
[0024] Figure 2 yes Figure 1 Schematic diagram of the enlarged area A in the middle.
[0025] Figure 3 yes Figure 1 A partial enlarged schematic diagram of a specific embodiment is shown.
[0026] (Explanation of symbols)
[0027] 1 existing brick masonry wall; 2 cement mortar leveling layer; 3 waterproof mortar layer; 4 thermal insulation layer; 5 plastering mortar layer; 6 waterproof coating layer; 7 putty layer; 8 coating surface layer; 9 left plastering mortar layer; 10 middle plastering mortar layer; 11 right plastering mortar layer. DETAILED DESCRIPTION
[0028] In order to more clearly understand the technical content of the present invention, the following embodiments are given in detail.
[0029] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0030] See also Figure 1 to Figure 3 As shown, in a specific embodiment of the utility model, the newly added waterproof and thermal insulation structure of the existing exterior wall of the utility model includes an existing brick masonry wall 1, a cement mortar leveling layer 2, a waterproof mortar layer 3, an insulation layer 4, a plastering mortar layer 5, a waterproof coating layer 6, a putty layer 7 and a coating surface layer 8, wherein:
[0031] The existing brick masonry wall 1, the cement mortar leveling layer 2, the waterproof mortar layer 3, the thermal insulation layer 4, the plastering mortar layer 5, the waterproof coating layer 6, the putty layer 7 and the coating surface layer 8 are all arranged vertically and along the front-to-back direction and are sequentially laid from left to right.
[0032] The existing brick masonry wall 1 may have any suitable thickness and strength. In a specific embodiment of the present invention, the thickness of the existing brick masonry wall 1 is 240 mm, and the strength of the existing brick masonry wall 1 is MU10.
[0033] The thickness and strength of the cement mortar leveling layer 2 can be determined as needed. In a specific embodiment of the present invention, the thickness of the cement mortar leveling layer 2 is 20 mm, and the strength of the cement mortar leveling layer 2 is M15.
[0034] The cement mortar leveling layer 2 may have any suitable composition. In a specific embodiment of the present invention, the cement mortar leveling layer 2 includes cement and sand, and the mass ratio of cement to sand is 1:3.
[0035] The thickness of the waterproof mortar layer 3 can be determined as needed. In a specific embodiment of the present invention, the thickness of the waterproof mortar layer 3 is 20 mm.
[0036] The waterproof mortar layer 3 may have any suitable composition. Preferably, the waterproof mortar layer 3 includes cement, sand and waterproofing agent, wherein the mass ratio of cement to sand is 1:3, and the amount of waterproofing agent added is 2% to 4% by weight of cement. In a specific embodiment of the present invention, the amount of waterproofing agent added is 3% by weight of cement.
[0037] The insulation layer 4 can be an insulation layer of any suitable material. The thickness of the insulation layer 4 and the connection structure between the insulation layer 4 and the waterproof mortar layer 3 can be determined as needed. In a specific embodiment of the utility model, the insulation layer 4 is a rock wool board layer, the thickness of the insulation layer 4 is 80 mm, and the insulation layer 4 and the waterproof mortar layer 3 are bonded by an adhesive and anchored by anchor bolts.
[0038] The plastering mortar layer 5 can have any suitable structure. Preferably, the plastering mortar layer 5 includes a left plastering mortar layer 9, a middle plastering mortar layer 10 and a right plastering mortar layer 11. The left plastering mortar layer 9, the middle plastering mortar layer 10 and the right plastering mortar layer 11 are all arranged vertically and along the front-to-back direction and are sequentially arranged from left to right. The left plastering mortar layer 9 is located on the right side of the thermal insulation layer 4 and covers the thermal insulation layer 4 and is anchored to the thermal insulation layer 4 by anchor bolts. The thickness of the left plastering mortar layer 9 is 3mm to 6mm, the thickness of the middle plastering mortar layer 10 is 3mm to 6mm, and the thickness of the right plastering mortar layer 11 is smaller than the thickness of the left plastering mortar layer 9 and the thickness of the middle plastering mortar layer 10, respectively. In a specific embodiment of the present invention, the thickness of the left plastering mortar layer 9 is 5 mm, the thickness of the middle plastering mortar layer 10 is 5 mm, and the thickness of the right plastering mortar layer 11 is 2 mm.
[0039] The left plastering mortar layer 9, the middle plastering mortar layer 10 and the right plastering mortar layer 11 can have any suitable structure. In a specific embodiment of the present utility model, the left plastering mortar layer 9 includes a first plastering mortar layer and a first alkali-resistant glass fiber mesh cloth, the first plastering mortar layer and the first alkali-resistant glass fiber mesh cloth are both vertically arranged and arranged along the front-to-back direction, and the first alkali-resistant glass fiber mesh cloth is located in the first plastering mortar layer; the middle plastering mortar layer 10 includes a second plastering mortar layer and a second alkali-resistant glass fiber mesh cloth, the second plastering mortar layer and the second alkali-resistant glass fiber mesh cloth are both vertically arranged and arranged along the front-to-back direction, and the second alkali-resistant glass fiber mesh cloth is located in the second plastering mortar layer; the right plastering mortar layer 11 is a third plastering mortar layer.
[0040] The waterproof coating layer 6 can be any suitable waterproof coating layer, and the thickness of the waterproof coating layer 6 can be determined as needed. In a specific embodiment of the present invention, the waterproof coating layer 6 is a JS polymer cement waterproof coating layer, and the thickness of the waterproof coating layer 6 is 2 mm.
[0041] The putty layer 7 can be any suitable putty layer, and the bonding strength of the putty layer 7 can be determined as needed. Preferably, the putty layer 7 is a flexible water-resistant putty layer, and the bonding strength of the putty layer 7 is above 0.3Mpa. In a specific embodiment of the present utility model, the bonding strength of the putty layer 7 is 0.5Mpa.
[0042] The paint surface layer 8 can have any suitable structure. In a specific embodiment of the present invention, the paint surface layer 8 includes a primer coating layer, a first exterior wall real stone paint layer and a second exterior wall real stone paint layer. The primer coating layer, the first exterior wall real stone paint layer and the second exterior wall real stone paint layer are all arranged vertically and along the front-to-back direction and are sequentially laid from left to right. The putty layer 7 and the primer coating layer are sequentially laid from left to right.
[0043] During construction, the existing brick masonry wall 1 is existing, and the original exterior wall method is to apply a mortar protective layer and paint or other surface layer to the existing brick masonry wall 1. After the original paint or other surface layer is removed, the cement mortar leveling layer 2 is removed or repaired according to the condition of the original mortar protective layer. After the cement mortar leveling layer 2 reaches a certain strength and the water evaporates, the waterproof mortar layer 3 can be applied. After the waterproof mortar layer 3 reaches a certain strength, the insulation layer 4 can be constructed. The insulation layer 4 can be paved with rock wool board. The interface agent is applied on the left and right surfaces and sides of the rock wool board, and the matching adhesive is bonded and anchored. After the insulation layer 4 is constructed, the surface mortar layer 5 is constructed. The surface mortar layer 5 can be three layers. First, the first layer is applied on the right side of the insulation layer 4. A plastering mortar layer is applied, and a first alkali-resistant glass fiber mesh cloth is pressed into the layer to form a left plastering mortar layer 9, which is then anchored. A second plastering mortar layer is applied on the right side of the left plastering mortar layer 9, and a second alkali-resistant glass fiber mesh cloth is pressed into the layer to form a middle plastering mortar layer 10. A third plastering mortar layer is applied on the right side of the middle plastering mortar layer 10, which is a thin plastering mortar to form a right plastering mortar layer 11. After the right plastering mortar layer 11 reaches a certain strength and the water evaporates, a waterproof coating layer 6 can be constructed. After the waterproof coating layer 6 is completely dry, a putty layer 7 can be constructed. After the putty layer 7 is completely dry, a coating surface layer 8 can be constructed. A primer coating can be applied once, and two coats of exterior wall real stone paint can be applied to form a primer coating layer, a first exterior wall real stone paint coating layer, and a second exterior wall real stone paint coating layer, respectively.
[0044] Therefore, by adopting the utility model, it is possible to add a new exterior wall waterproof and thermal insulation structure without destroying the original structural wall, renovate the exterior wall, and improve the use function of the building. The utility model has a simple structure and is easy to construct. It can solve the problems of leakage, lack of thermal insulation function, and aging and damage of exterior decoration in existing old buildings. Compared with new buildings, it has the following advantages: short construction period, convenient construction, and low cost.
[0045] In summary, the newly added waterproof and thermal insulation structure of the existing exterior wall of the utility model can add a waterproof and thermal insulation structure without destroying the original structural wall, thereby solving the problems of leakage in existing old buildings, lack of thermal insulation function, and aging and damage of exterior decoration. It has a clever design, simple structure, simple construction, low construction cost, and is suitable for large-scale promotion and application.
[0046] It can be seen that the purpose of the utility model has been completely and effectively achieved. The function and structural principle of the utility model have been demonstrated and explained in the embodiments. Without departing from the principles, the implementation methods can be modified arbitrarily. Therefore, the utility model includes all modified implementation methods based on the spirit and scope of the claims.
Claims
1. A newly added waterproof and heat-insulating structure for an existing exterior wall, comprising an existing brick masonry wall, wherein the existing brick masonry wall is arranged vertically and in a front-to-back direction, characterized in that: The newly added waterproof and thermal insulation structure of the existing exterior wall also includes a cement mortar leveling layer, a waterproof mortar layer, a thermal insulation layer, a plastering mortar layer, a waterproof coating layer, a putty layer and a coating surface layer, wherein: The cement mortar leveling layer, the waterproof mortar layer, the thermal insulation layer, the plastering mortar layer, the waterproof coating layer, the putty layer and the coating surface layer are all arranged vertically and along the front-to-back direction and are sequentially laid out from left to right. The existing brick masonry wall and the cement mortar leveling layer are sequentially laid out from left to right.
2. The newly added waterproof and thermal insulation structure for an existing exterior wall as claimed in claim 1, characterized in that: The thickness of the existing brick masonry wall is 240 mm, and the strength of the existing brick masonry wall is MU10.
3. The newly added waterproof and thermal insulation structure for an existing exterior wall as claimed in claim 1, characterized in that: The thickness of the cement mortar leveling layer is 20 mm, and the strength of the cement mortar leveling layer is M15.
4. The newly added waterproof and thermal insulation structure for an existing exterior wall as claimed in claim 1, characterized in that: The thickness of the waterproof mortar layer is 20 mm.
5. The newly added waterproof and thermal insulation structure for an existing exterior wall as claimed in claim 1, characterized in that: The thermal insulation layer is a rock wool board layer, the thickness of the thermal insulation layer is 80 mm, and the thermal insulation layer and the waterproof mortar layer are bonded by an adhesive and anchored by anchor bolts.
6. The newly added waterproof and thermal insulation structure for an existing exterior wall as claimed in claim 1, characterized in that: The plastering mortar layer includes a left plastering mortar layer, a middle plastering mortar layer and a right plastering mortar layer. The left plastering mortar layer, the middle plastering mortar layer and the right plastering mortar layer are all arranged vertically and along the front-to-back direction and are sequentially arranged from left to right. The left plastering mortar layer is located on the right side of the thermal insulation layer and covers the thermal insulation layer and is anchored to the thermal insulation layer by anchor bolts. The thickness of the left plastering mortar layer is 3mm to 6mm, the thickness of the middle plastering mortar layer is 3mm to 6mm, and the thickness of the right plastering mortar layer is smaller than the thickness of the left plastering mortar layer and the thickness of the middle plastering mortar layer, respectively.
7. The newly added waterproof and thermal insulation structure for an existing exterior wall as claimed in claim 6, characterized in that: The left plastering mortar layer includes a first plastering mortar layer and a first alkali-resistant glass fiber mesh cloth, the first plastering mortar layer and the first alkali-resistant glass fiber mesh cloth are both vertically arranged and arranged along the front-to-back direction, and the first alkali-resistant glass fiber mesh cloth is located in the first plastering mortar layer; the middle plastering mortar layer includes a second plastering mortar layer and a second alkali-resistant glass fiber mesh cloth, the second plastering mortar layer and the second alkali-resistant glass fiber mesh cloth are both vertically arranged and arranged along the front-to-back direction, and the second alkali-resistant glass fiber mesh cloth is located in the second plastering mortar layer; the right plastering mortar layer is the third plastering mortar layer.
8. The newly added waterproof and thermal insulation structure for an existing exterior wall as claimed in claim 1, characterized in that: The waterproof coating layer is a JS polymer cement waterproof coating layer, and the thickness of the waterproof coating layer is 2 mm.
9. The newly added waterproof and thermal insulation structure for an existing exterior wall as claimed in claim 1, characterized in that: The putty layer is a flexible water-resistant putty layer, and the bonding strength of the putty layer is above 0.3Mpa.
10. The newly added waterproof and thermal insulation structure for an existing exterior wall as claimed in claim 1, characterized in that: The paint surface layer includes a primer paint layer, a first exterior wall real stone paint layer and a second exterior wall real stone paint layer. The primer paint layer, the first exterior wall real stone paint layer and the second exterior wall real stone paint layer are all arranged vertically and along the front-to-back direction and are sequentially laid out from left to right. The putty layer and the primer paint layer are sequentially laid out from left to right.