Roof waterproof structure
By setting wedge-shaped grooves and sealing structures on the parapet wall, the problems of easy detachment and leakage of waterproof membranes were solved, achieving high-quality roof waterproofing and aesthetics.
Patent Information
- Application Number
- CN202422969442.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-03
AI Technical Summary
In existing technologies, waterproof membranes are directly fixed to parapet walls with metal strips, which can easily lead to quality problems such as membrane detachment and hollowing, resulting in potential water leakage and increased repair costs.
A wedge-shaped groove is set on the parapet wall, and the flashing of the waterproof membrane is placed in the wedge-shaped groove. It is then sealed by a sealing structure and a waterproof layer structure to ensure that the surface of the wedge-shaped groove is flush with the surface of the parapet wall. It is then treated with sealant and waterproof mortar.
This effectively prevented the waterproof membrane from falling off and leaking, improved construction quality, reduced repair costs, and maintained the aesthetics of the parapet wall facade.
Smart Images

Figure CN223548836U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building engineering technology, and in particular to a roof waterproofing structure. Background Technology
[0002] In the construction process of building projects, the construction quality of roof waterproofing is particularly important, especially the treatment of the roof flashing termination area.
[0003] The traditional method for flashing termination is to lay the waterproof membrane on the parapet wall and then use metal strips to fix and protect the flashing termination with cement nails.
[0004] The applicant discovered that this type of flashing termination treatment is prone to quality problems such as roll material falling off and hollowing, and is also prone to flashing leakage, which increases the cost of subsequent repairs.
[0005] Therefore, there is an urgent need for a roof waterproofing structure to solve the above-mentioned technical problems. Utility Model Content
[0006] The purpose of this utility model is to provide a roof waterproofing structure to solve the technical problems existing in the prior art. This involves directly fixing and protecting the flashing end with metal strips and cement nails after the waterproof membrane is laid on the parapet wall. This often leads to quality problems such as membrane detachment and hollow areas, and also poses a high risk of flashing leakage, increasing the cost of later repairs. The preferred technical solution provided by this utility model and its numerous technical effects are detailed below.
[0007] To achieve the above objectives, the present invention provides the following technical solution:
[0008] This utility model provides a roof waterproofing structure, comprising: a wedge-shaped groove set in the parapet wall, a waterproof membrane, a sealing structure, and a waterproof layer structure, wherein:
[0009] The flashing of the waterproof membrane is placed in the wedge-shaped groove;
[0010] The sealing structure is disposed in the wedge-shaped groove to seal the flashing and the wedge-shaped groove, and to make the surface of the wedge-shaped groove flush with the surface of the parapet wall;
[0011] The waterproof layer structure is provided on the surface of the parapet wall.
[0012] Preferably, the wedge-shaped groove is configured to include a first groove surface and a second groove surface arranged in parallel, with an inclined surface provided between the first groove surface and the second groove surface, wherein:
[0013] The first groove is formed on the surface of the parapet wall;
[0014] The second groove surface is disposed inside the parapet wall;
[0015] The cross-sectional dimensions of the first groove surface are larger than those of the second groove surface.
[0016] Preferably, the waterproof layer structure includes a mesh and waterproof mortar, the mesh is hung on the vertical surface of the parapet wall, and the waterproof mortar is applied to the mesh.
[0017] Preferably, the height of the center of the wedge-shaped groove from the top of the roof structure is 500mm.
[0018] Preferably, the cross-sectional dimension of the first groove surface is not less than 80 mm, and the cross-sectional dimension of the second groove surface is not less than 30 mm.
[0019] Preferably, the sealing structure uses sealant.
[0020] This utility model provides a roof waterproofing structure including a wedge-shaped groove set in the parapet wall, a waterproof membrane, a sealing structure, and a waterproof layer structure. By pre-reserving a wedge-shaped groove in the parapet wall, the flashing termination of the waterproof membrane is placed within the wedge-shaped groove, which maximizes the adhesion between the waterproof membrane and the substrate at the flashing termination. This effectively avoids quality problems such as detachment and hollowing of the waterproof membrane before the next construction process, greatly reducing the occurrence of leakage problems. The sealing structure seals the waterproof membrane and the wedge-shaped groove, and makes the surface of the wedge-shaped groove flush with the surface of the parapet wall. The waterproof layer structure is set on the surface of the parapet wall. This makes the flashing termination truly "hidden," achieving effective treatment of the flashing termination. This not only more effectively avoids leakage problems at the membrane termination but also ensures the overall appearance of the parapet wall facade. Attached Figure Description
[0021] 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.
[0022] Figure 1 This is a structural schematic diagram of an embodiment of the roof waterproofing structure of this utility model;
[0023] Figure 2 This is a schematic diagram of the wedge-shaped groove in the roof waterproofing structure of this utility model;
[0024] Figure 3 This is a flowchart of the construction method for the roof waterproofing structure of this utility model.
[0025] In the diagram: 1. Parapet wall; 10. Wedge-shaped groove; 101. First groove surface; 102. Second groove surface; 103. Inclined surface;
[0026] 2. Waterproof membrane; 20. Flashing termination;
[0027] 3. Sealed structure;
[0028] 4. Waterproof layer structure; 41. Mesh; 42. Waterproof mortar;
[0029] 5. Roof structure top. Detailed Implementation
[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0031] Figure 1 This is a structural schematic diagram of this embodiment, as shown below. Figure 1 As shown, this embodiment provides a roof waterproofing structure, including a wedge-shaped groove 10 set on the parapet wall 1, a waterproof membrane 2, a sealing structure 3, and a waterproof layer structure 4.
[0032] Among them, the flashing termination 20 of the waterproof membrane 2 is placed in the wedge-shaped groove 10. By pre-reserving the wedge-shaped groove 10 on the parapet wall 1, the adhesion between the waterproof membrane 2 at the flashing termination 20 and the base layer can be maximized, effectively avoiding quality problems such as detachment and hollowing of the waterproof membrane 2 before the next construction process, and greatly avoiding the occurrence of leakage problems.
[0033] The sealing structure 3 is disposed within the wedge-shaped groove 10 to seal the waterproof membrane 2 and the wedge-shaped groove 10, and to make the surface of the wedge-shaped groove 10 flush with the surface of the parapet wall 1. The waterproof layer structure 4 is disposed on the surface of the parapet wall 1.
[0034] In this embodiment, the sealing structure 3 uses sealant. During construction, the wedge-shaped groove 10 is filled with sealant to ensure a tight and smooth filling. The waterproof layer structure 4 is set on the outside of the sealing structure 3, making the flashing termination truly "hidden". This not only more effectively avoids leakage problems at the roll material termination, but also ensures the overall appearance of the parapet wall facade.
[0035] As an optional implementation method, Figure 2 This is a schematic diagram of the wedge-shaped groove in this embodiment, as shown below. Figure 2As shown, the wedge-shaped groove 10 is configured to include a first groove surface 101 and a second groove surface 102 arranged in parallel, with an inclined surface 103 provided between the first groove surface 101 and the second groove surface 102.
[0036] The first groove 101 is formed on the surface of the parapet wall 1; the second groove 102 is formed inside the parapet wall 1; the cross-sectional dimension of the first groove 101 is larger than the cross-sectional dimension of the second groove 102.
[0037] This design allows the cross-sectional dimensions of the wedge-shaped groove 10 to gradually decrease from the surface of the parapet wall 1 to the inner side, which is beneficial for building construction.
[0038] Optionally, in this embodiment, the cross-sectional dimension L1 of the first groove surface 101 is not less than 80mm, and the cross-sectional dimension L2 of the second groove surface 102 is not less than 30mm.
[0039] As an optional implementation, the waterproof layer structure 4 includes a mesh 41 and waterproof mortar 42. The mesh 41 is hung on the vertical surface of the parapet wall 1, and the waterproof mortar 42 is applied to the mesh 41.
[0040] During construction, after treating the wedge-shaped groove with sealant, the entire facade of parapet wall 1 is treated with wire mesh and waterproof mortar. This not only effectively prevents leakage at the roll material termination but also ensures the overall appearance of the parapet wall facade.
[0041] As an optional implementation, the height H of the center of the wedge-shaped groove 10 from the top of the roof structure is 500 mm.
[0042] Figure 3 This is a flowchart of the construction method for roof waterproofing, such as... Figure 3 As shown, a construction method for the above-mentioned roof waterproofing structure includes the following steps:
[0043] S1: Parapet wall construction, including installing a full-length horizontal wedge-shaped wooden beam on the inner side of the formwork closest to the roof when installing the parapet wall formwork.
[0044] Among them, wedge-shaped wooden beams are set to facilitate the formation of wedge-shaped grooves 10. In the specific construction process, a full-length horizontal wedge-shaped wooden beam is installed on the inner side of the roof side formwork at a height of 500mm from the top of the roof structure to facilitate construction operations.
[0045] S2: The parapet wall 1 is poured and the formwork is removed. After the formwork is removed, the reserved wedge-shaped groove 10 is formed.
[0046] S3: Base cleaning, including cleaning the reserved wedge-shaped groove 10;
[0047] S4: Waterproof membrane 2 laying, including pressing the flashing end 20 of the waterproof membrane 2 into the wedge-shaped groove 10.
[0048] In this embodiment, during the overall waterproof membrane construction of the roof, the flashing membrane termination is firmly pressed into the reserved wedge-shaped groove. Since the groove is a wedge-shaped structure, it can more effectively ensure the adhesion of the waterproof membrane 2 at the flashing termination 20 to the base layer, effectively avoiding quality problems such as detachment and hollowing of the waterproof membrane 2 before the next construction process.
[0049] S5: Wedge-shaped groove 10 sealing treatment.
[0050] In this embodiment, the wedge-shaped groove 10 is filled with sealant in a dense and flat manner to ensure that the roof waterproof structure not only meets the waterproof requirements but also has a strong aesthetic appeal after construction, thus ensuring the overall appearance of the parapet wall facade.
[0051] S6: Construction of the waterproof layer structure for the parapet wall.
[0052] After sealing the wedge-shaped groove 10, the entire parapet wall facade is treated with mesh reinforcement and waterproof mortar. At this point, the flashing termination is truly "hidden," which not only more effectively avoids leakage problems at the roll material termination but also ensures the overall appearance of the parapet wall facade.
[0053] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.
Claims
1. A roof waterproofing structure, characterized in that, include: The wedge-shaped groove, waterproof membrane, sealing structure, and waterproof layer structure installed on the parapet wall include: The flashing of the waterproof membrane is placed in the wedge-shaped groove; The sealing structure is disposed in the wedge-shaped groove to seal the flashing and the wedge-shaped groove, and to make the surface of the wedge-shaped groove flush with the surface of the parapet wall; The waterproof layer structure is provided on the surface of the parapet wall.
2. The roof waterproofing structure according to claim 1, characterized in that: The wedge-shaped groove is configured to include a first groove surface and a second groove surface arranged in parallel, with an inclined surface provided between the first groove surface and the second groove surface, wherein: The first groove is formed on the surface of the parapet wall; The second groove surface is disposed inside the parapet wall; The cross-sectional dimensions of the first groove surface are larger than those of the second groove surface.
3. The roof waterproofing structure according to claim 1 or 2, characterized in that: The waterproof layer structure includes a mesh and waterproof mortar. The mesh is hung on the vertical surface of the parapet wall, and the waterproof mortar is applied to the mesh.
4. The roof waterproofing structure according to claim 1 or 2, characterized in that: The center of the wedge-shaped groove is 500 mm above the top of the roof structure.
5. The roof waterproofing structure according to claim 2, characterized in that: The cross-sectional dimension of the first groove surface is not less than 80mm, and the cross-sectional dimension of the second groove surface is not less than 30mm.
6. The roof waterproofing structure according to claim 1 or 2, characterized in that: The sealing structure uses sealant.