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Key points of waterproofing the roof of a steel structure factory

  • 2025-05-14

The construction technology of a steel structure house is a systematic project. The performance of the quality of the metal roof waterproofing construction is not only related to the service life of the factory, but also affects its use function. This requires a careful analysis and study of the causes of penetration and waterproofing technology of the steel structure factory roof.


There are several reasons for the penetration of the steel structure factory roof:
In the design stage of the roof waterproofing project, if the roof drainage slope is not designed in place, it will cause difficulties for roof waterproofing and is not conducive to drainage. When the rainfall is high, the wastewater on the roof will accumulate and there will be no time to discharge it. This will corrode the roof and reduce the waterproofing ability of the roof. Only by scientifically and reasonably designing the roof drainage system can we prevent water seepage and leakage and extend the service life of the steel structure factory. The roof drainage design must have a certain slope, and sufficient downspouts must be ensured to combine leak prevention and drainage, complement each other, and quickly remove rainwater from the roof.
The problem of roof materials is also a prominent problem in the waterproofing of steel structure factories. New products of waterproof materials are constantly appearing on the market, especially waterproof membranes, which account for more than 85% of waterproof materials. However, designers do not understand the performance and use environment of these new waterproof materials, which will be affected by environmental factors and reduce the waterproof effect of the materials.

During the construction process, improper mix ratio of roof concrete, loose vibration or inadequate post-maintenance will easily cause concrete cracking and peeling of the waterproof layer, causing roof penetration. If it is a roofing roll, due to carelessness in construction and sloppy details of the structure, it will cause water seepage and leakage. In order to improve the construction quality, we must pay enough attention to ensure that the quality of steel structure houses meets the standards and extend the service life of steel structure factory roofs.


For roof waterproofing, we must strictly require several aspects such as design, construction and maintenance materials to ensure that each link can meet the quality requirements. In short, as long as we pay attention to the construction details, use a suitable roof waterproofing system, and arrange an experienced and qualified construction team to construct, we can effectively prevent and solve the problem of roof leakage.