This standard stipulates the classification, product marking, technical requirements, test methods, inspection rules, packaging, marking, transportation and storage of polymer waterproof material sheets. It is suitable for homogeneous sheets (hereinafter referred to as homogeneous sheets) produced by calendering or extrusion with polymer materials as the main material, and composite sheets made of polymer materials (including fabric reinforcement layers) (hereinafter referred to as composite sheet). It is mainly used for waterproofing of building roofs and underground works.