This standard covers all aspects of membrane material products for construction, including terms and definitions, codes and markings, test methods, inspection rules, Encasement, transportation and storage. It is applicable to membrane material products used in general industrial and civil construction membrane structures. At the same time, the normative reference documents section lists the necessary documents, which are essential for understanding and applying this standard. The terms and definitions section clarifies the definition of membrane material products, such as composite film materials based on polyester fibers or fiberglass fabrics. The codes and markings section specifies the codes of the substrates, fiberglass is "G" and polyester fibers are "P".