Building outer wall repairing heat preservation waterproof structure

Abstract

The utility model relates to the technical field of existing building renovation, in particular to a building outer wall repairing heat preservation waterproof structure which comprises a position to be repaired, decorative face lines installed in a repairing interval, plastering mortar smeared on the top face of the repairing interval, gridding cloth laid on the top face of the repairing interval, waterproof mortar arranged at the bottom of the repairing interval in the transverse direction, and a water stop strip arranged at the bottom of the waterproof mortar. Waterproof mortar is arranged on the base layer wall body, waterproof paint is arranged on the waterproof mortar, the inner side of the waterproof paint is folded upwards and extends to the base layer wall body, the outer side of the waterproof paint is folded downwards and extends out of the facing layer, a drainage plate is arranged on the waterproof paint, the drainage plate is Z-shaped, the inner side of the drainage plate is pressed between the adhesive mortar and the base layer wall body, and the outer side of the drainage plate is pressed between the facing line and the facing layer. According to the repaired outer wall structure, the original facing effect does not need to be damaged, and the appearance of the outer wall is good; the large-scale dismantling and rebuilding can be avoided in the repairing process, the manufacturing cost is low, the construction is simple and efficient, the construction period can be effectively shortened, and the time cost and the labor cost are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of existing building reconstruction, in particular to a building exterior wall repair, thermal insulation and waterproof structure. Background Art

[0002] As the service life of buildings increases, the exterior wall insulation system of buildings is prone to cracking, and the problem of exterior wall leakage is becoming increasingly prominent, which not only affects the quality of life of the general public, but also affects the use and safety of buildings. Once the exterior wall insulation system of an existing building leaks, it is very difficult to accurately find the source of the leakage, and the maintenance cycle is long and the maintenance cost is high. Due to the characteristics of existing buildings, it is difficult to dismantle the exterior wall insulation system on a large scale and then reorganize the construction. How to solve the problem of exterior wall leakage through local repair construction is an important issue that needs to be solved in the field of building repair and renovation. Utility Model Content

[0003] The utility model aims to solve the above problems and provides a building exterior wall repair insulation and waterproof structure, the technical solution adopted is as follows:

[0004] A building exterior wall repair, thermal insulation and waterproof structure, the original exterior wall structure is a base wall, bonding mortar, insulation board, plastering mortar and finishing layer arranged in sequence from the inside to the outside, the insulation board at the repair position is arranged in the vertical direction to set the repair interval, the decoration line is installed in the repair interval, the bonding mortar is arranged between the inner side of the decoration line and the base wall, the decoration line is T-shaped, and the relative extension ends of the T-shape are covered on the outside of the adjacent insulation board; the plastering mortar is applied to the top surface of the repair interval and the mesh cloth is laid, the waterproof mortar is arranged horizontally on the bottom of the repair interval, and the waterproof A water stop strip is arranged at the bottom of the mortar, and the water stop strip is filled between the insulation board and the base wall below the repair interval. A waterproof coating is arranged on the waterproof mortar, and the inner side of the waterproof coating is folded upward and extended to the base wall, and the outer side is folded downward and extended to the outside of the finishing layer. A drain board is arranged on the waterproof coating, and the drain board is Z-shaped. The inner side of the drain board is pressed between the bonding mortar and the base wall, and the outer side is pressed between the finishing line and the finishing layer. The drain board is fixed to the base wall by bolts, and a plastering mortar and a finishing layer are arranged outside the finishing line.

[0005] On the basis of the above solution, the top surface and the bottom surface of the decorative line are respectively provided with a first drainage slope, and the first drainage slope is inclined downward in a direction away from the base wall.

[0006] Based on the above solution, the slope of the first drainage slope is ≥10%.

[0007] Preferably, a second drainage slope is provided on the top surface of the waterproof mortar.

[0008] Based on the above solution, the slope of the second drainage slope is ≥5%.

[0009] Preferably, the inner angle between the waterproof mortar and the base wall is arc-shaped.

[0010] Preferably, the outer end surface of the bolt is coated with waterproof putty.

[0011] Preferably, silicone sealant is provided between the end of the finishing layer outside the finishing line and the finishing layer of the original exterior wall structure.

[0012] On the basis of the above solution, a drain pipe is arranged above the bottom silicone sealant, and the drain pipe is arranged between the finishing line and the finishing layer of the original exterior wall structure.

[0013] Preferably, the upper edge of the inner side of the drain board is higher than the upper edge of the inner side of the waterproof coating, and the lower edge of the outer side of the drain board is lower than the lower edge of the outer side of the waterproof coating.

[0014] The beneficial effects of the utility model are: the repaired exterior wall structure does not need to destroy the original finishing effect, and the exterior wall looks good; the repair process can avoid large-scale demolition and reconstruction, the cost is low, the construction is simple and efficient, and the construction period can be effectively shortened, saving time and labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 : Schematic diagram of the structure of the utility model;

[0016] Figure 2 : The utility model Figure 1 A partial enlarged view of part A in the middle. DETAILED DESCRIPTION

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0018] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] In the description of the present utility model, it should be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0020] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0021] like Figure 1 and Figure 2 As shown, a building exterior wall repair insulation and waterproof structure, the original exterior wall structure is a base wall 11, bonding mortar 12, insulation board 13, plastering mortar 14 and finishing layer 16 arranged in sequence from the inside to the outside, and a composite glass fiber mesh is inside the plastering mortar 14. The insulation board 13 is cut in the vertical direction at the position to be repaired, and a repair interval is set. A decorative line 27 is installed in the repair interval, and a bonding mortar 12 is set between the inner side of the decorative line 27 and the base wall 11. The decorative line 27 is T-shaped, and the relative extension ends of the T-shaped cover the outer side of the adjacent insulation board 13. The top and bottom surfaces of the decorative line 27 are respectively provided with a first drainage slope, and the first drainage slope is inclined downward in the direction away from the base wall 11, and the slope of the first drainage slope is ≥10%.

[0022] A polymer cement waterproof mortar 22 is arranged horizontally at the bottom of the repair interval. The inner angle between the waterproof mortar 22 and the base wall 11 is an arc shape. A second drainage slope is arranged on the top surface of the waterproof mortar 22. The slope of the second drainage slope is ≥5%, so as to facilitate drainage.

[0023] A water stop strip 21 is provided at the bottom of the waterproof mortar 22. The water stop strip 21 is filled between the insulation board 13 and the base wall 11 below the repair interval. The water stop strip 21 expands when it encounters water, and plays a sealing and waterproofing effect. A waterproof coating 23 is provided on the waterproof mortar 22. The inner side of the waterproof coating 23 is folded upward and extends to the base wall 11, and the outer side is folded downward and extends to the outside of the finishing layer 16. A drainage board 24 is provided on the waterproof coating 23. The drainage board 24 is Z-shaped. The inner side of the drainage board 24 is pressed between the bonding mortar 12 and the base wall 11, and the outer side is pressed between the finishing line 27 and the finishing layer 16. The upper edge of the inner side of the drainage board 24 is higher than the upper edge of the inner side of the waterproof coating 23, and the lower edge of the outer side of the drainage board 24 is lower than the lower edge of the outer side of the waterproof coating 23. The drainage board 24 is fixedly installed on the base wall 11 by bolts 25, and the outer end surface of the bolts 25 is covered with waterproof glue 26.

[0024] The plastering mortar 14 and the finishing layer 16 are arranged outside the finishing line 27. The silicone sealant 29 is arranged between the end of the finishing layer 16 outside the finishing line 27 and the finishing layer 16 of the original exterior wall structure. A drain pipe 28 is arranged above the bottom silicone sealant 29, and the drain pipe 28 is arranged between the finishing line 27 and the finishing layer 16 of the original exterior wall structure to discharge the water in the system, avoid the water from accumulating inside the structure for a long time, prevent the water from seeping indoors, and improve the safety of the thermal insulation system.

[0025] During construction:

[0026] (1) Cut and remove the facing layer 16 and insulation board 13 of the original structure at appropriate locations of the original exterior wall, leaving space for repair;

[0027] (2) Install a water stop strip 21 at the bottom of the repair interval;

[0028] (3) Apply waterproof mortar 22, apply plastering mortar on the top surface of the repair interval and lay mesh cloth;

[0029] (4) Apply waterproof coating 23;

[0030] (5) Install the drain board 24, fix the drain board 24 with bolts 25, and seal the ends of the bolts 25 with waterproof putty 26;

[0031] (6) Apply the adhesive mortar 12 vertically on the inner side of the facing line 27 by using the strip bonding method, and install the facing line 27 in the repair interval;

[0032] (7) Install silicone sealant 29 and drain pipe 28.

[0033] The present invention is described above by way of examples, but the present invention is not limited to the above specific embodiments, and any changes or modifications based on the present invention belong to the scope of protection required by the present invention.

Claims

1. A building exterior wall repair, thermal insulation and waterproof structure, characterized in that: The original exterior wall structure is a base wall (11), bonding mortar (12), insulation board (13), plastering mortar (14) and finishing layer (16) arranged in sequence from the inside to the outside. A repair interval is arranged along the vertical direction of the insulation board (13) at the position to be repaired. A finishing line (27) is installed in the repair interval. A bonding mortar (12) is arranged between the inner side of the finishing line (27) and the base wall (11). The finishing line (27) is T-shaped, and the relative extension ends of the T-shape cover the outer side of the adjacent insulation board (13). The plastering mortar is applied to the top surface of the repair interval and a mesh cloth is laid. A waterproof mortar (22) is arranged along the horizontal direction at the bottom of the repair interval. A water stop strip (21) is arranged at the bottom of the waterproof mortar (22). The water stop strip (21) is filled in A waterproof coating (23) is provided on the waterproof mortar (22) between the insulation board (13) and the base wall (11) below the repair interval. The inner side of the waterproof coating (23) is folded upward and extends to the base wall (11), and the outer side is folded downward and extends to the outside of the finishing layer (16). A drainage board (24) is provided on the waterproof coating (23). The drainage board (24) is Z-shaped. The inner side of the drainage board (24) is pressed between the bonding mortar (12) and the base wall (11), and the outer side is pressed between the finishing line (27) and the finishing layer (16). The drainage board (24) is fixedly installed on the base wall (11) by bolts (25). The finishing line (27) is provided with a plastering mortar (14) and a finishing layer (16).

2. A building exterior wall repair, thermal insulation and waterproof structure according to claim 1, characterized in that: The top surface and the bottom surface of the finishing line (27) are respectively provided with a first drainage slope, and the first drainage slope is inclined downward in a direction away from the base wall (11).

3. A building exterior wall repair, thermal insulation and waterproof structure according to claim 2, characterized in that: The slope of the first drainage slope is ≥10%.

4. The building exterior wall repair, thermal insulation and waterproof structure according to claim 1, characterized in that: A second drainage slope is provided on the top surface of the waterproof mortar (22).

5. A building exterior wall repair, thermal insulation and waterproof structure according to claim 4, characterized in that: The slope of the second drainage slope is ≥5%.

6. The building exterior wall repair, thermal insulation and waterproof structure according to claim 1, characterized in that: The inner angle between the waterproof mortar (22) and the base wall (11) is in the shape of an arc.

7. The building exterior wall repair, thermal insulation and waterproof structure according to claim 1, characterized in that: The outer end surface of the bolt (25) is coated with waterproof glue (26).

8. The building exterior wall repair, thermal insulation and waterproof structure according to claim 1, characterized in that: A silicone sealant (29) is provided between the end of the finishing layer (16) outside the finishing line (27) and the finishing layer (16) of the original exterior wall structure.

9. A building exterior wall repair, thermal insulation and waterproof structure according to claim 8, characterized in that: A drain pipe (28) is arranged above the bottom silicone sealant (29), and the drain pipe (28) is arranged between the finishing line (27) and the finishing layer (16) of the original exterior wall structure.

10. The building exterior wall repair, thermal insulation and waterproof structure according to claim 1, characterized in that: The upper edge of the inner side of the drainage board (24) is higher than the upper edge of the inner side of the waterproof coating (23), and the lower edge of the outer side of the drainage board (24) is lower than the lower edge of the outer side of the waterproof coating (23).

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