Large factory building metal roof waterproof structure

By incorporating an adhesive layer, fixing plates, and threaded fittings on the metal roof, combined with the design of TPO waterproof membrane and stainless steel fixing plates, the stability and sealing issues of traditional metal roof waterproofing structures under severe weather conditions are resolved, achieving higher waterproofing performance and service life.

CN224187072UActive Publication Date: 2026-05-01JIANGXI HYDROPOWER ENG BUREAU
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Patent Information

Application Number
CN202521086854.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-29
Publication Date
2026-05-01
Estimated Expiration
2035-05-29

AI Technical Summary

Technical Problem

Traditional metal roof waterproofing structures are difficult to maintain stability and sealing under severe weather conditions, leading to rainwater seepage and affecting service life and safety.

Method used

The first waterproof membrane is fixed with an adhesive layer and pressed together with a fixing plate and threaded fittings. The edges of adjacent membranes are welded together, and a second waterproof membrane is covered to enhance the connection and sealing. TPO waterproof membrane and stainless steel fixing plates are used to improve stability and waterproof performance.

Benefits of technology

It enhances the waterproof performance and stability of metal roofs, reduces rainwater erosion, extends service life, lowers maintenance costs, and improves the economy and reliability of industrial buildings.

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Abstract

The utility model discloses a waterproof structure for a metal roof of a large factory building. The waterproof structure comprises a bonding layer, a first waterproof coiled material, a fixing plate and a second waterproof coiled material. The bonding layer is laid on the outer surface of the roof base layer, the first waterproof roll is bonded and fixed through the bonding layer, and adjacent edges are welded tightly. The fixing plate is arranged on the edge of the first waterproof roll, fixed to the roof base layer through the threaded piece and tightly presses the roll, and the stability of the roll is enhanced. The second waterproof roll covers the fixing plate and the outer portion of the edge of the first waterproof roll, the edge is tightly welded to the surface of the first waterproof roll, and rainwater is prevented from permeating from a gap between the threaded piece and the roll. Through multiple waterproof measures, the waterproof performance and the stability of the metal roof are remarkably improved, the metal roof is particularly suitable for severe weather conditions such as strong wind, the service life of the roof is effectively prolonged, and the maintenance cost is reduced.
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