Waterproof structure of parapet wall roof

Abstract

The utility model discloses a waterproof structure of a parapet wall roof. Comprising a parapet wall, a roof gutter and a flashing board, the parapet wall is provided with a waterproof layer, the roof gutter and the flashing board are connected to the parapet wall, the waterproof layer is located on the side, close to the parapet wall, of the roof gutter, the bottom of the flashing board extends into a groove of the roof gutter, the parapet wall is provided with a cornice, and the cornice is located above the roof gutter and the flashing board. A water baffle extending towards the flashing plate is arranged on the cornice and located on the outer side of a connecting joint of the flashing plate and the parapet wall. The double-layer waterproof structure is provided with the cornice and can achieve primary waterproof, the waterproof layer is arranged on the parapet wall, the cornice is provided with the water baffle, the water baffle extends towards the flashing plate and is located on the outer side of the connecting joint of the flashing plate and the parapet wall, double-layer waterproof of the parapet wall and the roof gutter is further achieved through the waterproof layer and the water baffle, and the waterproof integrity is good; the probability of rainwater seepage and water leakage of the parapet wall can be effectively reduced, and the waterproof performance of the roof of the parapet wall is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building waterproof and anti-seepage, especially relates to a parapet roof waterproof structure. BACKGROUND

[0002] In recent years, with the development of industry and manufacturing and the continuous popularity of steel structure, various steel structure roofs emerge in endlessly. Steel structure roof waterproofing has been one of the key factors to ensure building quality. The existing parapet roof waterproof structure is to fix the flashing plate on the concrete parapet with bolts, then seal the joint of the flashing plate and the bolt with sealant, and the sealant is combined with the plaster of the concrete parapet. The flashing plate is above the connection between the roof gutter and the parapet. However, in actual use, with the increase of building service life and the frequent occurrence of extreme weather rainstorms, the settlement between the concrete parapet and the steel structure roof is uneven, cracks will occur in the sealing cement mortar, the waterproof effect will decrease, the sealant will age after being blown by the wind and exposed to the sun and rain, and will lose the sealing performance. Rainwater will seep into the wall from the cracks between the roof gutter and the parapet, causing the indoor wall surface to peel off and mildew. Therefore, there is an urgent need for a parapet roof waterproof structure to solve the above problems. SUMMARY

[0003] In order to solve the above problems, the utility model provides a parapet roof waterproof structure, which comprises a parapet, a roof gutter and a flashing plate. A waterproof layer is arranged on the parapet. The roof gutter and the flashing plate are connected to the parapet. The waterproof layer is located on the side of the roof gutter close to the parapet. The bottom of the flashing plate extends into the groove of the roof gutter. A cornice is arranged on the parapet. The cornice is located above the roof gutter and the flashing plate. A water baffle extending towards the flashing plate is arranged on the cornice. The water baffle is located on the outer side of the connection node between the flashing plate and the parapet.

[0004] Further, the upper end of the waterproof layer is arranged at the bottom of the cornice, and the lower end extends below the roof gutter. The upper end of the waterproof layer is crimped at the bottom of the cornice by the water baffle. The lower end of the waterproof layer is crimped on the parapet by the roof gutter.

[0005] Further, the upper end of the water baffle is embedded in the cornice.

[0006] Further, a sealing strip is arranged between the water baffle and the flashing plate. One end of the sealing strip is connected to the water baffle, and the other end is connected to the flashing plate.

[0007] Further, a sealing layer is arranged between the water baffle and the waterproof layer.

[0008] Furthermore, the flashing is installed on the inner side of the roof gutter connected to the parapet wall, and the two are fixed to the parapet wall by bolts, with the top of the flashing flush with the side wall of the roof gutter.

[0009] Furthermore, a water-swellable adhesive strip is provided between the roof gutter and the flashing, and / or a water-swellable adhesive strip is provided between the roof gutter and the parapet wall.

[0010] Furthermore, sealant is applied to the bolt.

[0011] Furthermore, the eaves and the parapet wall above the eaves are provided with a waterproof mortar layer, and the waterproof mortar layer on the eaves has a drainage slope.

[0012] Furthermore, the waterproof layer is a waterproof membrane.

[0013] By adopting the above technical solution, this utility model has the following beneficial effects compared with the prior art:

[0014] The parapet wall roof waterproofing structure provided by this utility model has an eave on the parapet wall for initial waterproofing. A waterproof layer is provided on the parapet wall, and a water-blocking plate is provided on the eave. The water-blocking plate extends towards the flashing and is located on the outside of the connection node between the flashing and the parapet wall. The waterproof layer and the water-blocking plate further achieve double-layer waterproofing of the parapet wall and the roof gutter. The overall waterproofing is good and can effectively avoid the probability of rainwater seepage and leakage in the parapet wall, thus improving the waterproofing performance of the parapet wall roof. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 A structural schematic diagram of the parapet wall roof waterproofing structure provided by this utility model;

[0017] Figure 2 The parapet wall roof waterproofing structure provided by this utility model Figure 1 A schematic diagram of part A.

[0018] 1 - parapet; 2 - roof assembly; 21 - roof gutter; 22 - roof panel; 23 - roof seat; 24 - rainwater pipe; 3 - flashing; 31 - second bolt; 4 - waterproof layer; 5 - cornice; 6 - baffle; 61 - first bolt; 7 - first sealing layer; 8 - sealing strip; 9 - second sealing layer; 10 - sealant; 11 - waterproof mortar layer; 12 - weep hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. In the drawings, for the purpose of clear visibility, the size and relative size of a certain part may be enlarged.

[0020] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connection", "connection" should be interpreted broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] In the description of the present application, the terms "upper", "lower", "left", "right", "front", "back", "center", "horizontal", "vertical", "top", "bottom", "inner", "outer" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, which is only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the present application.

[0022] In addition, in the description of the present application, the terms "first", "second" are only used to distinguish in description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In addition, the features limited by "first", "second" can explicitly or implicitly include one or more features.

[0023] As shown in the description of the drawings Figure 1 and 2The utility model provides a parapet roof waterproof structure, including parapet 1, roof valley 21 and water board 3, be equipped with waterproof layer 4 on parapet 1, roof valley 2 and water board 3 are connected on parapet 1 respectively, waterproof layer 4 is located roof valley 2's one side near parapet 1, the bottom of water board 3 extends to the groove of roof valley 2, be equipped with cornice 5 on parapet 1, cornice 5 is located roof valley 2 and water board 3 above, be equipped with water baffle 6 of extending towards water board 3 on cornice 5, water baffle 6 is located the outside of water board 3 and parapet 1 connecting node.

[0024] Specifically, the roof assembly 2 is arranged on the building roof, and the roof assembly comprises a roof panel 22, a roof valley 21 and a roof seat 23. The roof panel 22 is arranged on the building roof through the roof seat 23. The roof valley 21 is arranged around the roof panel 22 and is used for roof drainage. In the embodiment, the roof valley 21 is a U-shaped groove. One side of the roof valley 21 is connected with the roof seat 23 and is supported by the roof seat 23. The other side of the roof valley 21 is connected with the parapet 1. The edge of the roof panel 22 is located directly above the roof valley 21, so that the rainwater on the roof panel 22 can be discharged by the roof valley 21. The bottom of the roof valley 21 is connected with a rainwater pipe 24. The roof assembly is a reinforced concrete roof or a steel structure roof. In the embodiment, the roof assembly is preferably a steel structure roof, that is, the roof panel is a steel structure roof panel, the roof valley is a steel structure roof valley, and the parapet is a concrete parapet. The water board 3 and the roof valley 2 are arranged on the parapet. There are two installation modes, which are as follows.

[0025] As one of the specific embodiments, the water board 3 is arranged in the inner side of the side wall of the roof valley 2 connected with the parapet 1. The water board 3 and the roof valley 2 are fixed on the parapet 1 by the second bolt 31. The top end of the water board 3 is flush with the side wall of the roof valley 2. The waterproof layer 4 is pressed on the parapet 1 by the side wall of the roof valley 2. The bottom of the water board 3 extends to the groove of the roof valley 2.

[0026] As one of the specific embodiments, the roof valley 2 is fixed on the parapet 1 by the second bolt. The water board 3 is fixed on the parapet 1 by the second bolt. The connecting node of the water board 3 and the parapet 1 is located above the roof valley. The bottom of the water board 3 extends to the groove of the roof valley 2.

[0027] Specifically, the flashing plate 3 is a multi-fold plate, including vertical fold edges, horizontal fold edges and inclined fold edges, the vertical fold edges and the inclined fold edges are respectively arranged at two ends of the horizontal fold edges and are respectively located on two plate surfaces of the horizontal fold edges, the vertical fold edges are connected to the parapet wall 1 through the second bolts, and the spacing between the inclined fold edges and the parapet wall gradually increases from top to bottom, the inclined fold edges extend into the groove of the roof gutter 2, and rainwater on the flashing plate 3 is conveniently discharged into the roof gutter 2.

[0028] In an optimized embodiment, the upper end of the waterproof layer 4 is arranged at the bottom of the cornice 5, and the lower end extends below the roof gutter 2, the upper end of the waterproof layer 4 is press-connected to the bottom of the cornice 5 through the water baffle 6, and the lower end of the waterproof layer 4 is press-connected to the parapet wall 1 through the roof gutter 2. The waterproof layer 4 arranged on the parapet wall 1 can play a wall waterproofing effect, the waterproof layer 4 extends from the cornice 5 to below the roof gutter 2, and the waterproof layer 4 can be connected to the roof gutter 2, so that the waterproof layer 4 can play a waterproofing effect when the roof gutter 2 and the parapet wall 1 are unevenly settled.

[0029] In an optimized embodiment, the waterproof layer is preferably a waterproof roll material.

[0030] The installation mode of the water baffle 6 on the cornice 8 includes the following two modes:

[0031] As one of the specific embodiments, the water baffle 6 includes a horizontal plate unit and a vertical plate unit, the vertical plate unit is perpendicular to the horizontal plate unit, the horizontal plate unit press-connects the waterproof layer 4 to the cornice 5 through the first bolt 61, the first bolt is preferably an expansion bolt, and the bottom of the vertical plate unit is connected to the flashing plate 3. The plate surface of the horizontal plate unit is parallel to the lower surface of the cornice, and during installation, the horizontal plate unit can be attached to the lower surface of the cornice 5, and then the waterproof layer 4 is press-connected to the bottom of the cornice 5, so as to ensure the connection effect between the water baffle 6 and the cornice 5 and avoid water seepage. The vertical plate unit has a certain gap with the horizontal fold edge of the flashing plate, the vertical plate unit is located on the outer side of the second bolt, and the connection joint of the flashing plate and the parapet wall can be waterproofed.

[0032] Specifically, the horizontal plate unit and the vertical plate unit are of an integrated structure, and can form an L-shaped water baffle or a T-shaped water baffle.

[0033] In an optimized embodiment, in order to further improve the waterproofing effect, a first sealing layer 7 is arranged at the connection position of the water baffle 6 and the cornice 5, the first sealing layer 7 is sealed by using sealing glue, and the first sealing layer 7 seals the first bolt 61 and the connection end of the horizontal plate unit and the cornice.

[0034] As one of the specific embodiments, the upper end of the water baffle 6 is embedded in the eaves 5, one end of the waterproof layer 4 is fixed on the eaves 5 through the water baffle 6, the water baffle 6 extends downward, and there is a certain gap between the bottom of the water baffle 6 and the flashing 3.

[0035] In the optimized embodiment, the sealing strip 8 is arranged between the water baffle 6 and the flashing 3, one end of the sealing strip 8 is connected to the water baffle 6, and the other end is connected to the flashing 3. The sealing strip 8 is connected to the inner side of the water baffle 6, which avoids aging of the sealing strip caused by ultraviolet rays and prolongs the service life of the sealing strip.

[0036] In the optimized embodiment, there is a certain gap between the water baffle 6 and the parapet 1, and the second sealing layer 9 can be used to fill the gap between the water baffle 6 and the parapet 1, and the second sealing layer 9 is a foam filling.

[0037] In the optimized embodiment, the water-swelling rubber strip is arranged between the roof gutter 21 and the flashing 3, and / or the water-swelling rubber strip is arranged between the roof gutter 21 and the parapet 1. The water-swelling rubber strip will swell when immersed in water, which can further improve the waterproof performance between the roof gutter and the parapet and between the flashing and the roof gutter.

[0038] In the optimized embodiment, the second bolt is sealed by the sealing glue 10.

[0039] In the optimized embodiment, the waterproof mortar layer 11 is arranged on the eaves 5 and the parapet 1 above the eaves 5, the waterproof mortar layer 11 on the eaves 5 has a drainage slope with a slope of 5%, the waterproof mortar layer 11 extends to the bottom of the eaves 5 to the water baffle 6, the eaves 5 is located directly above the roof gutter 2, and the waterproof mortar layer 11 is provided with a water droplet line 12 corresponding to the edge of the bottom of the eaves 5, which facilitates the water on the eaves to flow into the roof gutter.

[0040] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0041] Those skilled in the art should understand that the utility model can be realized in many other specific forms without departing from the spirit and scope of the utility model. Although the embodiments of the utility model have been described, it should be understood that the utility model should not be limited to this embodiment, and those skilled in the art can make changes and modifications within the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A parapet roof waterproofing structure, characterized by, The parapet wall is provided with a waterproof layer, and a roof gutter and a flashing plate are connected to the parapet wall respectively, the waterproof layer is located on the side of the roof gutter close to the parapet wall, the bottom of the flashing plate extends into the groove of the roof gutter, the parapet wall is provided with a cornice, the cornice is located above the roof gutter and the flashing plate, the cornice is provided with a water baffle extending towards the flashing plate, and the water baffle is located on the outer side of the connecting joint of the flashing plate and the parapet wall.

2. The parapet wall waterproofing structure according to claim 1, wherein The upper end of the waterproof layer is arranged at the bottom of the cornice, and the lower end extends below the roof gutter, the upper end of the waterproof layer is crimped at the bottom of the cornice through the water baffle, and the lower end of the waterproof layer is crimped on the parapet wall through the roof gutter.

3. The parapet wall waterproofing structure according to claim 2, wherein The upper end of the water baffle is embedded in the cornice.

4. The parapet wall waterproofing structure according to claim 1, wherein A sealing strip is arranged between the water baffle and the flashing plate, one end of the sealing strip is connected to the water baffle, and the other end is connected to the flashing plate.

5. The parapet wall waterproofing structure according to claim 1, wherein A sealing layer is arranged between the water baffle and the waterproof layer.

6. The parapet wall waterproofing structure according to claim 1, wherein The flashing plate is arranged in the inner side of the side wall of the roof gutter connected to the parapet wall, and the two are fixed on the parapet wall through bolts, and the top end of the flashing plate is flush with the side wall of the roof gutter.

7. The parapet wall waterproofing structure according to claim 6, wherein Water-swellable adhesive strips are arranged between the roof gutter and the flashing plate, and / or between the roof gutter and the parapet wall.

8. The parapet wall waterproofing structure according to claim 6, wherein The bolts are provided with sealing glue.

9. The parapet wall waterproofing structure according to claim 1, wherein The cornice and the parapet wall above the cornice are both provided with a waterproof mortar layer, and the waterproof mortar layer on the cornice has a drainage slope.

10. The parapet wall waterproofing structure according to claim 1, wherein The waterproof layer is a waterproof roll material.

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