Roof waterproof structure

By designing a covering layer and a drainage hole waterproof layer in the roof waterproof structure, rainwater can directly enter the drainage pipe and be discharged, solving the problem of roof drainage pipe leakage and improving the waterproof effect.

CN223952127UActive Publication Date: 2026-02-27GUANGDONG TEMENA NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202520348759.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-02-27
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

Existing roof drainage pipe installation locations are prone to seepage, leading to rainwater leakage.

Method used

In the roof waterproofing structure, a lower covering layer is used to cover the outside of the top waterproof layer and the inner wall of the drainage pipe, and an upper covering layer is used to cover the outside of the side wall waterproof layer and the inner wall of the drainage pipe. A drainage hole waterproof layer is designed so that rainwater can directly enter the drainage pipe and be discharged, avoiding contact with the ground or wall structure layer.

Benefits of technology

It effectively prevents rainwater from directly contacting the ground or wall structure during drainage, thus preventing leakage and improving the waterproofing effect of the roof.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223952127U_ABST
Patent Text Reader

Abstract

The utility model relates to a roof waterproof structure, which comprises a top layer waterproof layer, a top layer waterproof layer, a top layer waterproof layer and a top layer waterproof layer, the side wall waterproof layer is laid on the wall surface structure layer of the rooftop enclosing wall; the drainage pipe is inserted in the drainage hole of the rooftop wall, and a pipe orifice corresponds to the lowest point of the rooftop ground; the drainage hole waterproof layer comprises a lower covering layer covering the outer side of the top layer waterproof layer and the inner wall of the drainage pipe, and an upper covering layer covering the outer side of the side wall waterproof layer and the inner wall of the drainage pipe. According to the roof waterproof structure, the lower covering layer covering the outer side of the top layer waterproof layer and the inner wall of the drainage pipe and the upper covering layer covering the outer side of the side wall waterproof layer and the inner wall of the drainage pipe are utilized, so that rainwater can directly enter the drainage pipe from the top layer waterproof layer and the side wall waterproof layer through the drainage hole waterproof layer to be drained; the rainwater is prevented from being in direct contact with the ground structure layer or the wall surface structure layer in the drainage process, and the leakage condition is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to roof waterproof technical field especially, relate to a roof waterproof structure. BACKGROUND

[0002] The roof of the bungalow is usually used as the roof garden, and thus the surrounding wall is built. When the rainwater of the roof garden needs to be drained, the drain pipe needs to pass through the wall material to drain the rainwater outside. The current waterproof means causes the installation position of the drain pipe to be prone to seepage. SUMMARY

[0003] To solve the above problems, the technical scheme provides a roof waterproof structure.

[0004] To achieve the above object, the technical scheme is as follows:

[0005] A roof waterproof structure comprises

[0006] A top waterproof layer is laid on a ground structure layer of the roof garden.

[0007] A side wall waterproof layer is laid on a wall surface structure layer of the roof garden wall.

[0008] A drain pipe is inserted into a drain hole of the roof garden wall, and the pipe opening corresponds to the lowest point of the roof garden ground.

[0009] A drain hole waterproof layer comprises a lower covering layer covering the outside of the top waterproof layer and the inner wall of the drain pipe, and an upper covering layer covering the outside of the side wall waterproof layer and the inner wall of the drain pipe.

[0010] The top waterproof layer of the roof waterproof structure comprises a first cement mortar leveling layer, an insulation layer, a second cement mortar leveling layer and a coiled material waterproof layer which are sequentially stacked, the second cement mortar leveling layer gradually inclines downward on the side of the insulation layer to connect with the first cement mortar leveling layer, the second cement mortar leveling layer is lifted by the insulation layer, and the height of the second cement mortar leveling layer is higher than that of the first cement mortar leveling layer, so that the position of the first cement mortar leveling layer close to the drain hole becomes the lowest point of the roof garden ground.

[0011] The top waterproof layer of the roof waterproof structure further comprises a U-shaped pressing strip arranged close to the side of the insulation layer and pressing on the coiled material waterproof layer, and a side screw, the side screw is connected with the ground structure layer after penetrating through the U-shaped pressing strip.

[0012] The top waterproof layer of the roof waterproof structure further comprises a side coiled material layer covering the side screw and the U-shaped pressing strip, and the side coiled material layer covers the side edge of the coiled material waterproof layer close to the drain hole.

[0013] The lower covering layer covers the side coiled material layer and the inner wall of the drain pipe, and the side edge of the lower covering layer is connected with the side coiled material layer through hot air welding, and the other side edge is connected with the drain pipe through sealing paste.

[0014] The roof waterproof structure also comprises a main coiled material layer covering the main screw and the gasket.

[0015] The roof waterproof structure also comprises a main coiled material layer covering the main screw and the gasket.

[0016] The side wall waterproof layer comprises a cement mortar layer and a wall coiled material layer covering the wall structure layer in sequence, and the wall coiled material layer covers to a position close to the drain hole.

[0017] The side wall waterproof layer also comprises a coiled material additional layer, one end of the coiled material additional layer is located on the groove of the wall structure layer and is buried by the cement mortar layer, and the other end covers to the wall coiled material layer through the cement mortar layer.

[0018] The upper covering layer covers the coiled material additional layer and the inner wall of the drain pipe, and the side edge of the upper covering layer is connected with the coiled material additional layer through hot air welding, and the other side edge is connected with the drain pipe through sealing paste.

[0019] The roof waterproof structure has the beneficial effects that:

[0020] The roof waterproof structure comprises a lower covering layer covering the outer side of the top waterproof layer and the inner wall of the drain pipe, and an upper covering layer covering the outer side of the side wall waterproof layer and the inner wall of the drain pipe, so that rainwater can directly enter the drain pipe through the drain hole waterproof layer, and direct contact between the rainwater and the ground structure layer or the wall structure layer during the drainage process is avoided, and leakage is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced.

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

[0023] Figure 2 is Figure 1 a structural schematic diagram of the top waterproof layer in the embodiment;

[0024] Figure 3 is Figure 1 Structure diagram of waterproof layer of side wall. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and do not limit the utility model.

[0026] A roof waterproof structure comprises

[0027] A top waterproof layer 1 is laid on a ground structure layer 5 of a roof terrace;

[0028] A side wall waterproof layer 2 is laid on a wall surface structure layer 6 of a roof terrace wall;

[0029] A drain pipe 3 is inserted in a drainage hole 7 of the roof terrace wall, and the pipe opening corresponds to the lowest point of the roof terrace ground;

[0030] A drainage hole waterproof layer 4 comprises a lower covering layer 41 covering the outside of the top waterproof layer 1 and the inner wall of the drain pipe 3, and an upper covering layer 42 covering the outside of the side wall waterproof layer 2 and the inner wall of the drain pipe 3.

[0031] The lower covering layer covering the outside of the top waterproof layer and the inner wall of the drain pipe, and the upper covering layer covering the outside of the side wall waterproof layer and the inner wall of the drain pipe enable rainwater to directly enter the drain pipe through the drainage hole waterproof layer from the top waterproof layer and the side wall waterproof layer, avoiding direct contact of the rainwater with the ground structure layer or the wall surface structure layer during the drainage process, and avoiding the occurrence of leakage.

[0032] Further, as a preferred embodiment of the present scheme but not as a limitation, the top waterproof layer 1 comprises a first cement mortar leveling layer 11, a thermal insulation layer 12, a second cement mortar leveling layer 13 and a coiled material waterproof layer 14 which are sequentially stacked, the second cement mortar leveling layer 13 is gradually inclined downward on the side of the thermal insulation layer 12 to be connected with the first cement mortar leveling layer 11, the second cement mortar leveling layer 13 is lifted by the thermal insulation layer 12, and the height thereof is higher than that of the first cement mortar leveling layer 11, so that the position of the first cement mortar leveling layer 11 close to the drainage hole becomes the lowest point of the roof terrace ground. It is convenient for rainwater to flow in the direction of the drainage hole.

[0033] Further, as a preferred embodiment of the present application but not limited, the top waterproof layer 1 further comprises a U-shaped pressing strip 15 arranged near the side of the thermal insulation layer 12 and pressed on the coiled waterproof layer 14, and a side screw 16 connected with the ground structure layer after passing through the U-shaped pressing strip 15. The U-shaped pressing strip is beneficial to compress the coiled waterproof layer while avoiding abrasion caused by burrs and overcoats.

[0034] Further, as a preferred embodiment of the present application but not limited, the top waterproof layer 1 further comprises a side coiled layer 17 covering the side screw 16 and the U-shaped pressing strip 15, which covers the side of the coiled waterproof layer 14 near the drainage hole. This avoids leakage at the puncture of the side screw.

[0035] Further, as a preferred embodiment of the present application but not limited, the lower covering layer 41 covers the side coiled layer 17 and the inner wall of the drain pipe 3, and the side of the lower covering layer 41 is connected with the side coiled layer 17 by hot air welding, and the other side is connected with the drain pipe 3 by sealing paste 8. This directly guides rainwater to the drain pipe.

[0036] Further, as a preferred embodiment of the present application but not limited, the top waterproof layer 1 further comprises a gasket 18 pressed on the coiled waterproof layer 14, and a main screw 19 connected with the ground structure layer after passing through the gasket 18.

[0037] Further, as a preferred embodiment of the present application but not limited, the top waterproof layer 1 further comprises a main coiled layer 10 covering the main screw 19 and the gasket 18. This avoids leakage at the puncture of the main screw.

[0038] Further, as a preferred embodiment of the present application but not limited, the side wall waterproof layer 2 comprises a cement mortar layer 21 and a wall coiled layer 22 covering the wall structure layer in sequence, and the wall coiled layer 22 covers to a position near the drainage hole.

[0039] Further, as a preferred embodiment of the present application but not limited, the side wall waterproof layer 2 further comprises a coiled additional layer 23, one end of which is located on the groove 9 of the wall structure layer and buried by the cement mortar layer 21, and the other end covers the wall coiled layer 22 after passing through the cement mortar layer 21. This is beneficial to save materials while avoiding leakage of the wall structure layer.

[0040] Further, as a preferred embodiment of the present application but not limited, the upper covering layer 42 covers the coiled material additional layer 23 and the inner wall of the drain pipe 3, the side edge of the upper covering layer 42 is connected with the coiled material additional layer 23 by hot air welding, and the other side edge is connected with the drain pipe 3 by sealing paste.

[0041] The above description is merely preferred embodiments of the present application, but not intended to limit the scope of the present application. Any modifications, equivalent replacements or improvements made within the spirit and principle of the present application shall fall within the scope of the present application.

Claims

1. A waterproofing structure for a roof, characterized by: The utility model relates to a waterproof layer for roof terrace The top waterproof layer (1) comprises a first cement mortar leveling layer (11), a heat preservation layer (12), a second cement mortar leveling layer (13) and a coiled material waterproof layer (14) which are sequentially stacked, the second cement mortar leveling layer (13) is gradually inclined downwards at the side of the heat preservation layer (12) to be connected with the first cement mortar leveling layer (11), the second cement mortar leveling layer (13) is lifted by the heat preservation layer (12), and the height thereof is higher than that of the first cement mortar leveling layer (11), so that the position of the first cement mortar leveling layer (11) close to the drainage hole becomes the lowest point of the roof terrace ground. The top waterproof layer (1) further comprises a U-shaped pressing strip (15) arranged close to the side of the heat preservation layer (12) and pressing on the coiled material waterproof layer (14), and a side screw (16) which is connected with the ground structure layer after penetrating through the U-shaped pressing strip (15). The top waterproof layer (1) further comprises a side coiled material layer (17) covering the side screw (16) and the U-shaped pressing strip (15), and the side coiled material layer (17) covers the side edge of the coiled material waterproof layer (14) close to the drainage hole. The lower covering layer (41) covers the side coiled material layer (17) and the inner wall of the drainage pipe (3), and the side edge of the lower covering layer (41) is connected with the side coiled material layer (17) through hot air welding, and the other side edge is connected with the drainage pipe (3) through sealing paste.

2. The waterproof structure of claim 1, wherein: The top waterproof layer (1) further comprises a gasket (18) for pressing on the coiled material waterproof layer (14) and a main screw (19) which is connected with the ground structure layer after penetrating through the gasket (18).

3. The waterproof roofing structure according to claim 2, wherein: The top waterproof layer (1) further comprises a main coiled material layer (10) covering the main screw (19) and the gasket (18).

4. The waterproof roofing structure according to claim 3, characterized in that: The side wall waterproof layer (2) comprises a cement mortar layer (21) and a wall surface coiled material layer (22) which are sequentially covered on the wall surface structure layer, and the wall surface coiled material layer (22) covers to the position close to the drainage hole.

5. The waterproof roofing structure according to claim 4, wherein: The side wall waterproof layer (2) further comprises a coiled material additional layer (23), one end of the coiled material additional layer (23) is located on the groove of the wall surface structure layer and is buried by the cement mortar layer (21), and the other end covers to the wall surface coiled material layer (22) after penetrating through the cement mortar layer (21).

6. The waterproof roofing structure according to claim 2, wherein: ​ 7. The waterproof roofing structure according to claim 6, wherein: ​ 8. The waterproof roofing structure according to claim 1, wherein: ​ 9. The waterproof roofing structure according to claim 8, wherein: ​ 10. The waterproof roofing structure according to claim 9, wherein: The upper cover layer (42) covers the coiled material additional layer (23) and the inner wall of the drain pipe (3), and the side edge of the upper cover layer (42) is connected with the coiled material additional layer (23) through hot air welding, and the other side edge is connected with the drain pipe (3) through sealing paste.