The waterproof of steel structure roof is a prominent problem in the construction of workshop.The leakage of steel structure roof is serious because of installation construction, roof elastic deformation and roof sensation.The steel structure roof waterproof engineering is a system to deal with the project. In this system, problems in any link such as planning, data, construction, management and protection will affect the quality of the whole project and cause leakage of the project,Even the occurrence of damage to indoor equipment phenomenon, then how to do a good job in the waterproof treatment of steel structure roof? The following is a brief introduction of HJSD steel structure.

How to do a good job in waterproof treatment of steel structure roof?

　　(1) A small number of steel structure projects use but yl rubber sealing adhesive tape, the effect is general, simple loss of adhesion at low temperature, and in special parts of the construction function is not safe, simple water leakage phenomenon.

　　(2) In some steel structure projects, polyurethane waterproof coating or sealant strip (commonly known as mastic) or styrene butadiene rubber (SBR) sealing adhesive tape are used for joint waterproofing.These data have short service life and are easy to be aged.The operation cycle is about 1 year, which is easy to aging and water leakage.

　　(3) Some steel structure projects use silica gel.After solidification, the data has low bonding strength, poor follow-up, easy aging, many artificial hazards in the construction process, unreliable waterproof quality and easy water leakage.

　　(4) Other waterproof data of steel structure roof include SBS coiled material, JS waterproof coating, PVC roof waterproof insulation system, etc. These data of steel structure processing can not be applied to metal roof waterproof for a long time, which is easy to aging and has high repair rate.

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