... IndexThe product meets the requirements of GB19250-2003 Polyurethane Waterproof Coating. Scope of application1, Flat,roofing of buildings, ... side wall of basement.3, Tunnels,subway,roads and bridges waterproof engineering.4, Channel, swimming pool, sewage tank, urban groove. ... for expired storage4,Product packing: Single unit polyurethane waterproof coating is sealed in an iron barrel.5,Package ...