CN211974089U - Upright steel roof waterproof structure - Google Patents
Upright steel roof waterproof structure Download PDFInfo
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- CN211974089U CN211974089U CN201922424928.3U CN201922424928U CN211974089U CN 211974089 U CN211974089 U CN 211974089U CN 201922424928 U CN201922424928 U CN 201922424928U CN 211974089 U CN211974089 U CN 211974089U
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Abstract
The utility model relates to an upright steel roof waterproof structure, which comprises a profiled steel sheet fixedly connected with a roof purline; a steam-insulating layer, a heat-insulating layer and a waterproof layer are sequentially paved above the profiled steel sheet; the surface layer joint of the heat-insulating layer is bonded by a high-molecular waterproof adhesive tape; the waterproof layer adopts PVC waterproofing membrane, adjacent two PVC waterproofing membrane overlap joint, overlap joint department, the bottom PVC waterproofing membrane pass through the screw with profiled sheet rigid coupling, the top PVC waterproofing membrane covers the screw, and the edge adopts hot air welding. The utility model utilizes the profiled steel sheet, the steam-insulating layer, the heat-insulating layer and the waterproof layer to improve the waterproof and heat-insulating effect of the roof; the paving method combining the air paving method and the mechanical fixing is matched with the application of the high-molecular waterproof adhesive tape, so that the waterproof quality of the whole roof is ensured.
Description
Technical Field
The utility model relates to a construction field especially relates to an upright formula steel roofing waterproof construction.
Background
The roof is a containment and bearing structure of the uppermost layer of the house, which plays a role in covering, and one of the main functions of the roof is to keep out wind and rain, and prevent rain and sun. Therefore, roof waterproof insulation and heat insulation are important. At present, most roof structures of existing waterproof heat-insulating layers in China adopt inverted structures, namely, waterproof layers are arranged below the heat-insulating layers, however, once the water absorption capacity of the heat-insulating layers is too large, the waterproof layers are in a water accumulation state for a long time, and the waterproof and heat-insulating effects are difficult to guarantee.
Therefore, how to provide an upright steel roof waterproof structure capable of improving the roof waterproof and heat insulation effects is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides an upright steel roofing waterproof construction to solve above-mentioned technical problem.
In order to solve the technical problem, the utility model provides an upright steel roof waterproof structure, which comprises a profiled steel sheet fixedly connected with a roof purline; a steam-insulating layer, a heat-insulating layer and a waterproof layer are sequentially paved above the profiled steel sheet; the surface layer joint of the heat-insulating layer is bonded by a high-molecular waterproof adhesive tape; the waterproof layer adopts PVC waterproofing membrane, adjacent two PVC waterproofing membrane overlap joint, overlap joint department, the bottom PVC waterproofing membrane pass through the screw with profiled sheet rigid coupling, the top PVC waterproofing membrane covers the screw, and the edge adopts hot air welding.
Preferably, the overlapping length of the screw on one side is not less than 50mm at the overlapping position of two adjacent PVC waterproof rolls, and the overlapping length of the top PVC waterproof roll is not less than 10mm at one end of the PVC waterproof roll at the bottom of the fixing part of the screw.
Preferably, adjacent two PVC waterproofing membrane's overlap joint department, long limit overlap joint is not less than 120mm, and the minor face overlap joint is not less than 150mm, and the minor face overlap joint staggers and is not less than 500 mm.
Preferably, the fixed distance of the screw is 60-80 cm.
Preferably, additional layer coiled materials are further paved at the positions corresponding to the nodes.
Compared with the prior art, the utility model provides an it has following advantage to just put formula steel roofing waterproof construction:
1. the utility model has the advantages that the profiled steel sheet, the steam-insulating layer, the heat-insulating layer and the waterproof layer are sequentially laid on the roof, so that the waterproof and heat-insulating effects of the roof are improved;
2. utilize PVC waterproofing membrane's characteristics such as excel in, high-elasticity, resistant puncture, corrosion-resistant, ageing resistance and high extension, be under construction on the positive formula steel roofing of large tracts of land, combine together the method of air-laid method and mechanical fastening, adopt automatic machine welding to improve hot-blast welding quality and accelerate the welding progress, satisfy the overlap joint width of standardizing the requirement simultaneously, the minor face overlap joint of minimizing, the wide polymer waterproof tape of 100mm is adopted to the surface course piece department of thermal insulation layer carries out the detail enhancement of large-face shop pasting, accomplish the quality of large tracts of land steel roofing waterproofing membrane shop pasting and the improvement of efficiency of construction, later maintenance cost has been reduced.
Drawings
Fig. 1 is a schematic structural view of an upright steel roof waterproof structure according to an embodiment of the present invention;
fig. 2 is a section of an upright steel roof waterproof structure according to an embodiment of the present invention;
fig. 3 is a schematic view of the overlapping of PVC waterproof roll in a specific embodiment of the present invention.
In the figure: 10-profiled steel sheet, 11-roof purline, 20-steam barrier, 30-heat insulation layer, 31-polymer waterproof tape, 32-first screw and gasket, 40-waterproof layer, 41-second screw and gasket, and 42-weld joint.
Detailed Description
In order to describe the technical solution of the above utility model in more detail, the following specific examples are given to demonstrate the technical effects; it should be emphasized that these examples are for illustrative purposes only and are not limiting to the scope of the present invention.
The upright steel roof waterproof structure provided by the utility model, as shown in fig. 1 and fig. 2, comprises a profiled steel sheet 10 fixedly connected with a roof purline 11; a steam-insulating layer 20 (such as a PE damp-proof film), a heat-insulating layer 30 and a waterproof layer 40 are sequentially paved above the profiled steel sheet 10; the heat-insulating layer 30 is fixedly connected with the profiled steel sheet 10 by adopting first screws and gaskets 32, and the edge sealing treatment is carried out on the surface layer abutted seam of the heat-insulating layer 30 by adopting a 100mm wide high-molecular waterproof adhesive tape 31; the waterproof layer 40 is made of a PVC waterproof roll, such as an ultraviolet-resistant reinforced polyvinyl chloride (PVC) waterproof roll, which has characteristics of high strength, high elasticity, puncture resistance, corrosion resistance, aging resistance, high elongation, and the like. The adjacent two PVC waterproof coiled materials are in lap joint, the bottom PVC waterproof coiled material is fixedly connected with the profiled steel sheet 10 through a second screw and a gasket 41, the top PVC waterproof coiled material covers the second screw and the gasket 41, and the edges of the PVC waterproof coiled material are welded by hot air, namely the welding seam 42 in the figures 1 and 2. The utility model improves the waterproof and heat-insulating effect of the roof by utilizing the profiled steel sheet 10, the steam-insulating layer 20, the heat-insulating layer 30 and the waterproof layer 40; the PVC waterproof roll is pasted with the heat-insulating layer 30 on the whole periphery by utilizing the polymer waterproof adhesive tape 31, so that the waterproof quality of the whole roof is ensured, and the later maintenance is facilitated.
Preferably, please refer to fig. 2 and fig. 3, in the overlapping portion of two adjacent PVC waterproof rolls, the overlapping length of the top PVC waterproof roll covering one side of the second screw and the gasket 41 is not less than 50mm, and one end of the PVC waterproof roll at the bottom of the fixing portion of the second screw and the gasket 41 is not less than 10 mm.
Preferably, please refer to fig. 3 with emphasis, the lap joint of two adjacent PVC waterproof rolls has a long side lap joint of not less than 120mm, a short side lap joint of not less than 150mm, and a short side lap joint staggered of not less than 500 mm.
Preferably, the fixed distance between the second screw and the spacer 41 is 60-80 cm.
Preferably, additional layer coiled materials (not shown) are laid on the joint parts corresponding to the exhaust passage, the internal corner and the like, specifically, base layer glue is respectively coated on the base layer coiled material and the additional layer coiled material, the base layer coiled material and the additional layer coiled material are dried for 5-10 minutes at normal temperature, and the additional layer coiled material can be adhered when the finger touch is not sticky.
With continuing reference to fig. 1 to fig. 3, the construction steps of the upright steel roof waterproof structure provided by the present invention are as follows:
s1: the surface of the profiled steel sheet 10 is cleaned.
S2: lay in proper order vapour barrier 20 with thermal insulation layer 30, and the surface course piece department of thermal insulation layer 30 sets up polymer waterproof tape 31, it needs to explain that, this step of work progress and PVC waterproofing membrane's shop pastes synchronous interlude and goes on, and forbids the rainy day construction strictly, when meetting adverse weather effect, prepares the plastic film and effectively covers thermal insulation layer 30.
S3: and (4) arranging the size, popping up a marking line, and taking the marking line as a reference line for paving the waterproof layer 40.
S4: pre-paving the PVC waterproof coiled material: the PVC coiled material is naturally laid on the surface of the heat-insulating layer 30, and is required to be flat, straight and free from distortion, and the full-adhesion operation can be referred.
S5: PVC waterproofing membrane's lay direction with profiled sheet 10's ripple direction is perpendicular, by slope higher department toward low shop paste, just lay the direction requirement: the lap joint seam that is on a parallel with the roof is following current water direction overlap joint, the lap joint seam of perpendicular to roof is in the same direction as annual maximum frequency wind direction (as shown in the arrow direction in figure 2) overlap joint, specifically, carry out accurate laying-out before the construction, minimize the minor face overlap joint, there is the joint position, adjacent joint staggers at least 50cm each other, long limit overlap joint width is 12cm, wherein 5cm is used as the mounting, the mounting need pass thermal insulation layer 30 and be fixed in on structural layer (profiled sheet 10), the minor face overlap joint also can adopt the butt joint, the above-mentioned cover 150mm ~ 200mm wide PVC waterproofing membrane overlap joint.
S6: spread and paste the plane and be connected with the facade PVC waterproofing membrane, go on from bottom to top, the overlap joint is stayed on the plane, specifically, PVC waterproofing membrane is apart from negative and positive angle more than 20cm at negative and positive angle seam, and two coiled material short-direction seams stagger more than 50cm, and long limit overlap joint is not less than 12 cm.
S7: rolling and exhausting: and after one piece of PVC waterproof coiled material is laid, sequentially rolling along the long edge direction of the PVC waterproof coiled material from one end of the PVC waterproof coiled material by using a pressing roller so as to thoroughly discharge air and firmly bond the coiled material.
S8: and welding the edge of each lap joint, transversely adopting butt joint treatment, and covering the lap joints with PVC waterproof coiled materials with the width of 20-250 cm and welding to form a welding seam 42.
Before step S8, the method further includes: controlling the fixing distance between the second screw and the gasket 41 to be 60-80cm, fixing the second screw and the gasket 41 with the profiled steel sheet 10 by using a special anti-pulling screw after the second screw and the gasket are in place, ensuring that the fixing position is on the convex surface of the profiled steel sheet 10, and checking each screw, wherein the screw needs to be loosened or infirm and needs to be reworked; and (3) cutting the PVC waterproof coiled material sheet suitable for the node, welding the PVC waterproof coiled material sheet on the large-surface PVC waterproof coiled material by utilizing a handheld welding gun at the position which cannot adopt the automatic welding machine for operation, and then sequentially performing circulating operation.
The utility model improves the waterproof and heat-insulating effect of the roof by utilizing the profiled steel sheet 10, the steam-insulating layer 20, the heat-insulating layer 30 and the waterproof layer 40; the application of the polymer waterproof adhesive tape 31 is matched with a paving and pasting method combining a non-laying method and mechanical fixing (namely, a construction method that the PVC waterproof roll and the heat-insulating layer 30 are pasted only around the whole waterproof layer by the non-laying method and then the PVC waterproof roll and the heat-insulating layer 30 are connected by a mechanical fastening and fixing piece), so that the waterproof quality of the whole roof is ensured.
To sum up, the upright steel roof waterproof structure provided by the utility model comprises a profiled steel sheet 10 fixedly connected with a roof purline 11; a steam-insulating layer 20, a heat-insulating layer 30 and a waterproof layer 40 are sequentially laid above the profiled steel sheet 10; the surface layer joints of the heat-insulating layer 30 are bonded by polymer waterproof tapes 31; waterproof layer 40 adopts PVC waterproofing membrane, adjacent two PVC waterproofing membrane overlap joint, overlap joint department, the bottom PVC waterproofing membrane pass through second screw and gasket 41 with profiled sheet 10 rigid coupling, the top PVC waterproofing membrane covers second screw and gasket 41, and the edge adopts hot air welding. The utility model improves the waterproof and heat-insulating effect of the roof by utilizing the profiled steel sheet 10, the steam-insulating layer 20, the heat-insulating layer 30 and the waterproof layer 40; the paving method combining the air paving method and the mechanical fixing is matched with the application of the high polymer waterproof adhesive tape 31, so that the waterproof quality of the whole roof is ensured.
It will be apparent to those skilled in the art that various changes and modifications may be made to the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The utility model provides an upright formula steel roofing waterproof construction which characterized in that includes:
the profiled steel sheet is fixedly connected with the roof purline;
a steam-insulating layer, a heat-insulating layer and a waterproof layer are sequentially paved above the profiled steel sheet;
the surface layer joint of the heat-insulating layer is bonded by a high-molecular waterproof adhesive tape;
the waterproof layer adopts PVC waterproofing membrane, adjacent two PVC waterproofing membrane overlap joint, overlap joint department, the bottom PVC waterproofing membrane pass through the screw with profiled sheet rigid coupling, the top PVC waterproofing membrane covers the screw, and the edge adopts hot air welding.
2. The upright steel roof waterproof structure of claim 1, wherein the overlapping length of the PVC waterproof coiled material at the top, which covers one side of the screw, is not less than 50mm, and the length of one end of the PVC waterproof coiled material at the bottom of the screw fixing part is not less than 10 mm.
3. The upright steel roof waterproof structure of claim 1, wherein the lap joint of two adjacent PVC waterproof rolls has the long side lap joint of not less than 120mm, the short side lap joint of not less than 150mm, and the short side lap joint of not less than 500 mm.
4. The upright steel roof waterproof structure of claim 1, wherein the fixed spacing of the screws is 60-80 cm.
5. An upright steel roof waterproof structure as claimed in claim 1, wherein additional layer of coiled material is laid in correspondence with the nodal points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922424928.3U CN211974089U (en) | 2019-12-27 | 2019-12-27 | Upright steel roof waterproof structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922424928.3U CN211974089U (en) | 2019-12-27 | 2019-12-27 | Upright steel roof waterproof structure |
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| CN211974089U true CN211974089U (en) | 2020-11-20 |
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| CN201922424928.3U Active CN211974089U (en) | 2019-12-27 | 2019-12-27 | Upright steel roof waterproof structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482247A (en) * | 2021-06-07 | 2021-10-08 | 五冶集团上海有限公司 | TPO waterproof coiled material non-perforation fixing method |
-
2019
- 2019-12-27 CN CN201922424928.3U patent/CN211974089U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482247A (en) * | 2021-06-07 | 2021-10-08 | 五冶集团上海有限公司 | TPO waterproof coiled material non-perforation fixing method |
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