Roof skylight waterproof structure

Abstract

The utility model relates to the field of building roof structures, and discloses a roof skylight waterproof structure which comprises a crest cutting groove, a filling plate and a junction waterproof plate. The crest cutting groove is formed in the side, close to a skylight vertical wall, of a crest part of a roof contour plate; the filling plate is laid in the wave crest cutting groove and is flush with the wave trough part of the roof contour plate, the boundary waterproof plate covers the filling plate, and the two sides of the boundary waterproof plate extend to be in lap joint with the outer vertical face of the roof contour plate and the outer vertical face of the skylight vertical wall respectively. The roof skylight waterproof structure can effectively solve the water accumulation problem of the roof skylight joints, effectively reduce the construction difficulty, reduce the coiled material loss and reduce the engineering cost.

Description

Technical Field

[0001] This application belongs to the field of building roof structure technology, specifically relating to roof skylight waterproofing structures. Background Technology

[0002] Under standard regulations, profiled roofing sheets are generally fitted with a waterproof layer for complete coverage. However, in roofs with skylights, water easily accumulates at the junction of the profiled roofing sheet's crest and the skylight's vertical wall. Long-term retention of rainwater can lead to sediment buildup and pressure on the waterproofing layer, causing material aging, joint cracking, and other potential leaks. To address these issues, current roofing construction commonly uses highly elastic, aging-resistant waterproof membranes (such as TPO) to cover and seal the junctions, reducing the impact of water accumulation on the structural integrity. However, using membrane-based sealing is inefficient and requires cutting the membrane, resulting in significant material usage and wastage, thus drastically increasing project costs. Utility Model Content

[0003] In view of at least one of the above-mentioned defects or deficiencies in the prior art, this application provides a roof skylight waterproof structure that can effectively solve the problem of water accumulation at the roof skylight joints, and effectively reduce construction difficulty, reduce roll material waste, and reduce project costs.

[0004] To achieve the above objectives, this application provides a roof skylight waterproofing structure, which includes:

[0005] Corrugated cutting grooves are formed on the side of the corrugated part of the roof profiled sheet near the skylight wall.

[0006] The filler board is laid within the corrugated groove and flush with the trough of the roof profiled sheet; and

[0007] A junction waterproofing liner, which covers the filler board and extends on both sides to overlap the outer surfaces of the roof profiled sheet and the skylight wall.

[0008] In some embodiments, the junction waterproofing liner includes a main body and an extension plate, one side of the main body overlaps the roof profiled sheet and the other side is bent and connected to the extension plate, the extension plate overlaps the exterior facade.

[0009] In some embodiments, the main body overlaps one side of the roof profiled sheet and has a wave-shaped protrusion for fastening to the crest of the roof profiled sheet.

[0010] In some embodiments, the junction waterproof membrane is integrally molded by injection molding.

[0011] In some embodiments, the top surface of the roof profiled sheet is provided with a polymer waterproof layer, and the portion of the junction waterproof sheet overlapping the roof profiled sheet is welded to the polymer waterproof layer.

[0012] In some embodiments, the extension length of the portion of the junction waterproofing membrane overlapping the roof profiled sheet is at least 20 mm; and / or, the extension length of the portion of the junction waterproofing membrane overlapping the exterior facade is at least 50 mm.

[0013] In some embodiments, the width of the wave crest cutting groove is at least 100 mm.

[0014] In some embodiments, the roof skylight waterproofing structure also includes a facade waterproofing slab covering the exterior facade, wherein the top and bottom of the facade waterproofing slab are bent and extended to form a top overlap and a bottom overlap, respectively, the top overlap overlapping the top surface of the skylight wall and the bottom overlap overlapping the top surface of the infill slab.

[0015] In some embodiments, the top and bottom overlaps of the facade waterproofing liner are respectively connected and fixed to the skylight wall and the filling liner via a first connecting piece and a second connecting piece, and the boundary waterproofing liner covering the portion of the filling liner covers the bottom overlap.

[0016] In some embodiments, the roof skylight waterproofing structure further includes a facade insulation layer disposed between the facade waterproofing panel and the exterior facade.

[0017] Through the above technical solution, the roof skylight waterproofing structure of this application can flatten the portion of the roof profiled sheet near the skylight wall by setting a corrugated cutting groove. In other words, there is no corrugated part at the junction of the roof profiled sheet and the skylight wall, avoiding the accumulation of mud and sand between two adjacent corrugations (i.e., troughs). More importantly, it provides a flat installation space for the infill board and the junction waterproofing board, allowing construction workers to directly install the infill board and the junction waterproofing board sequentially in the corrugated cutting groove, reducing construction difficulty. At the same time, by transitioning and overlapping the junction waterproofing board between the skylight wall and the roof profiled sheet, the waterproofing capacity at the junction can be enhanced, reducing the risk of leakage. Compared with the existing construction method of wrapping the skylight wall with waterproof membrane, this application can use prefabricated junction waterproofing boards for installation, which can reduce the waste of waterproof membrane and thus reduce construction costs.

[0018] Other features and advantages of the embodiments of this application will be described in detail in the following detailed description section. Attached Figure Description

[0019] The accompanying drawings are provided to further illustrate the embodiments of this application and form part of the specification. They are used together with the following detailed description to explain the embodiments of this application, but do not constitute a limitation on the embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without any inventive effort. In the drawings:

[0020] Figure 1 This is a schematic diagram of a roof skylight waterproofing structure according to a specific embodiment of this application;

[0021] Figure 2 for Figure 1 Enlarged view of a section of the roof skylight waterproofing structure Figure I ;

[0022] Figure 3 for Figure 1 Enlarged view of a section of the roof skylight waterproofing structure Figure II ;

[0023] Figure 4 This is a schematic diagram of a junction waterproofing membrane according to a specific embodiment of this application.

[0024] Explanation of reference numerals in the attached figures

[0025] 1. Corrugated cutting groove 2. Roofing profiled sheet

[0026] 3. Skylight wall 4. Infill board

[0027] 5. Waterproofing membrane at the junction; 6. Waterproofing membrane on the facade.

[0028] 7 First connecting piece 8 Second connecting piece

[0029] 9. Facade insulation layer 201 crest section

[0030] 202 Polymer Waterproof Layer 501 Main Body

[0031] 502 Extension plate 5011 Wave-shaped protrusion

[0032] 601 Top overlap 602 Bottom overlap Detailed Implementation

[0033] The specific embodiments of this application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit this application.

[0034] The present application will now be described in detail with reference to the accompanying drawings and exemplary embodiments.

[0035] like Figures 1 to 4As shown, an exemplary embodiment of this application provides a roof skylight waterproofing structure, which includes a corrugated cutting groove 1, a filling board 4, and a junction waterproofing board 5. The corrugated cutting groove 1 is formed on the side of the corrugated portion 201 of the roof profiled sheet 2 near the skylight wall 3. In other words, the corrugated cutting groove 1 can be formed by partially cutting off the corrugated portion 201 of the roof profiled sheet 2. The filling board 4 is laid in the corrugated cutting groove 1 to fill and level the area where the corrugated portion 201 has been cut off, while also making the filling board 4 flush with the trough portion of the roof profiled sheet 2. The junction waterproofing board 5 covers the filling board 4, and both sides of the junction waterproofing board 5 extend and overlap the outer surfaces of the roof profiled sheet 2 and the skylight wall 3, respectively.

[0036] It should be noted that the roof profiled sheet 2 can be the top layer of the roof sandwich panel; otherwise, such as Figure 1 As shown, roof sandwich panels typically also include an intermediate insulation layer and a base plate, etc., which are not limited in this application. It can be seen that at the location of the corrugated cutting groove 1, except for the corrugated portion 201 of the roof profiled sheet 2 being partially cut off, the rest of the structure of the roof sandwich panel is not affected. For example, the side of the intermediate insulation layer still abuts against the skylight wall 3.

[0037] Therefore, the roof skylight waterproofing structure of this exemplary embodiment can planarize the portion of the roof profiled sheet 2 near the skylight wall 3 by setting the corrugated cutting groove 1, so that there is no corrugated part 201 at the junction of the roof profiled sheet 2 and the skylight wall 3, avoiding the accumulation of mud and sand between two adjacent corrugated parts 201 (i.e., the trough). More importantly, this provides a flat installation space for the filling board 4 and the junction waterproofing board 5. During construction, the construction workers can directly install the filling board 4 and the junction waterproofing board 5 in sequence in the corrugated cutting groove 1, thereby reducing the construction difficulty. At the same time, by transitionally overlapping the junction waterproofing board 5 between the skylight wall 3 and the roof profiled sheet 2, the waterproofing ability at the junction of the two can be enhanced, reducing the risk of leakage. Compared with the existing construction method of wrapping the skylight wall with waterproof membrane, this application can use prefabricated junction waterproofing board 5 for installation, thereby reducing the waste of waterproof membrane and thus reducing construction costs.

[0038] The junction between the skylight wall 3 and the roof profiled sheet 2 is generally an inside corner. To ensure waterproofing at the inside corner, the junction waterproofing sheet 5 extends and overlaps the outer surface of the skylight wall 3. Specifically, as shown... Figure 4As shown, the junction waterproofing membrane 5 includes a main body 501 and an extension plate 502. One side of the main body 501 overlaps the roof profiled sheet 2, thereby covering and waterproofing the corrugated cut surface of the roof profiled sheet 2. The extension plate 502 is bent and connected to the other side of the main body 501, and overlaps the exterior surface of the skylight wall 3. To ensure a seamless connection between the main body 501 and the extension plate 502 and improve the waterproofing effect, the junction waterproofing membrane 5 can be integrally molded by injection molding, for example, using materials such as TPO or PVC. The specific choice can be made according to the actual waterproofing requirements of the construction.

[0039] Furthermore, such as Figure 4 As shown, the main body 501 overlaps the roof profiled sheet 2 on one side and has a corrugated protrusion 5011 for fastening to the crest portion 201 of the roof profiled sheet 2. Thus, when the main body 501 overlaps the roof profiled sheet 2, by fastening the corrugated protrusion 5011 to the crest portion 201 retained on the roof profiled sheet 2, the main body 501 is completely fitted to the roof profiled sheet 2.

[0040] In one embodiment, the top surface of the roof profiled sheet 2 is further provided with a polymer waterproof layer 202. The portion of the junction waterproof sheet 5 overlapping the roof profiled sheet 2 is welded to the polymer waterproof layer 202, making the overlap between the junction waterproof sheet 5 and the roof profiled sheet 2 smooth, seamless, more aesthetically pleasing, and with better waterproofing. In actual construction, a hot air welding gun can be used to weld the overlapping portion of the junction waterproof sheet 5 to the polymer waterproof layer 202. Accordingly, the polymer waterproof layer 202 can be made of materials such as TPO and PVC to facilitate welding with junction waterproof sheets 5 of the same material.

[0041] In one embodiment, the extension length of the portion of the junction waterproofing membrane 5 overlapping the roof profiled sheet 2 is at least 20mm, thereby improving the welding stability of the overlapping portion of the junction waterproofing membrane 5 and enhancing the waterproofing effect. Furthermore, the extension length of the portion of the junction waterproofing membrane 5 overlapping the outer facade of the skylight wall 3 is at least 50mm, i.e., the width of the extension plate 502 is at least 50mm, thereby increasing the coverage area of ​​the junction waterproofing membrane 5 at the internal corner of the skylight wall 3 and further improving the waterproofing effect of the junction waterproofing membrane 5.

[0042] In one embodiment, the width of the corrugated groove 1 is at least 100 mm, thereby improving drainage and reducing the accumulation of mud and rainwater. Correspondingly, the width of the main body 501 of the junction waterproofing plate 5 is at least 100 mm, thereby covering the entire corrugated groove 1.

[0043] In one embodiment, reference is made to... Figure 1The roof skylight waterproofing structure also includes a facade waterproofing panel 6 covering the exterior facade. Specifically, the top and bottom of the facade waterproofing panel 6 are bent and extended to form a top overlap 601 and a bottom overlap 602, respectively. The top overlap 601 overlaps the top surface of the skylight wall 3, and the bottom overlap 602 overlaps the top surface of the filling board 4. By comprehensively wrapping the outer surface of the skylight wall 3 with the facade waterproofing panel 6, the waterproofing effect of the skylight wall 3 is improved, preventing rainwater from leaking from the corners of the skylight wall 3. Furthermore, the top overlap 601 and the bottom overlap 602 of the facade waterproofing panel 6 are respectively connected and fixed to the skylight wall 3 and the filling board 4 through a first connecting piece 7 and a second connecting piece 8, thereby improving the stability of the facade waterproofing panel 6. At the same time, the junction waterproofing panel 5 covering the bottom overlap 602 of the filling board 4 ensures that water will not leak at the perforation of the bottom overlap 602.

[0044] In addition, refer to Figure 1 The roof skylight waterproof structure also includes a facade insulation layer 9 set between the facade waterproofing board 6 and the exterior facade, which can provide thermal insulation for the skylight wall 3 and ensure the thermal insulation effect of the entire roof system.

[0045] In the description of this application, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0046] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between components; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0047] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0048] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A waterproof structure for roof skylights, characterized in that, The roof skylight waterproofing structure includes: A corrugated cutting groove (1) is formed on the side of the corrugated portion (201) of the roof profiled sheet (2) near the skylight wall (3); The filler board (4) is laid in the corrugated groove (1) and flush with the trough of the roof profiled sheet (2); and The junction waterproofing board (5) covers the filling board (4) and extends on both sides to overlap the outer surfaces of the roof profiled sheet (2) and the skylight wall (3).

2. The roof skylight waterproof structure according to claim 1, characterized in that, The junction waterproofing liner (5) includes a main body (501) and an extension plate (502). One side of the main body (501) overlaps the roof profiled sheet (2) and the other side is bent and connected to the extension plate (502). The extension plate (502) overlaps the exterior facade.

3. The roof skylight waterproof structure according to claim 2, characterized in that, The main body (501) overlaps the roof profiled sheet (2) on one side and has a wave-shaped protrusion (5011) for fastening to the crest (201) of the roof profiled sheet (2).

4. The roof skylight waterproof structure according to claim 3, characterized in that, The junction waterproof membrane (5) is integrally molded by injection molding.

5. The roof skylight waterproof structure according to claim 4, characterized in that, The top surface of the roof profiled sheet (2) is provided with a polymer waterproof layer (202), and the portion of the junction waterproof board (5) that overlaps the roof profiled sheet (2) is welded to the polymer waterproof layer (202).

6. The roof skylight waterproof structure according to claim 1, characterized in that, The extension length of the portion of the junction waterproofing membrane (5) that overlaps the roof profiled sheet (2) is at least 20 mm; and / or, the extension length of the portion of the junction waterproofing membrane (5) that overlaps the exterior facade is at least 50 mm.

7. The roof skylight waterproof structure according to claim 1, characterized in that, The width of the wave crest cutting groove (1) is at least 100 mm.

8. The roof skylight waterproof structure according to any one of claims 1 to 7, characterized in that, The roof skylight waterproof structure also includes a facade waterproofing plate (6) covering the exterior facade. The top and bottom of the facade waterproofing plate (6) are bent and extended to form a top overlap (601) and a bottom overlap (602), respectively. The top overlap (601) overlaps the top surface of the skylight wall (3), and the bottom overlap (602) overlaps the top surface of the filling plate (4).

9. The roof skylight waterproof structure according to claim 8, characterized in that, The top overlap (601) and bottom overlap (602) of the facade waterproofing liner (6) are respectively connected and fixed to the skylight wall (3) and the filling board (4) through the first connecting piece (7) and the second connecting piece (8), and the junction waterproofing liner (5) is provided to cover the bottom overlap (602) of the filling board (4).

10. The roof skylight waterproof structure according to claim 8, characterized in that, The roof skylight waterproof structure also includes a facade insulation layer (9) disposed between the facade waterproofing panel (6) and the exterior facade.

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