The steel structure system stands out in the modern construction industry due to its good quality and fast construction.The waterproofing of steel structure buildings has become a technical difficulty that cannot be ignored.How to solve the problems of traditional roof leakage,cold bridge condensation,and multi curved construc-tion and other issues,which,puts forward higher requirements for the selection of new waterproof rolls.This ar-ticle takes the painting workshop project of a certain automobile upgrading and renovation project as an example to introduce the design concept of TPO composite insulation and waterproofing membrane for the profiled steel plate roof of the steel structure workshop,in order to provide reference for relevant engineering in the selection of wa-terproofing materials.
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