Waterborne polyurethane waterproof coating is a waterproof material, are environmentally friendly polymer flexible waterproof material, non-toxic and tasteless, with good adhesion and impermeability of the cornerstones of cement mortar and stone surfaces, metal products have a strong adhesion, chemical nature of the product is stable, can withstand long-term sunlight exposure, high strength, elongation, flexibility, good waterproof effect. Water test: After the film is finished using the water test for polyurethane waterproof coating classification, love entrance exterior wall with mortar made dams polyurethane waterproof coating, floor drain surrounded by high physical block, then turn on the water, the shallow water of not less than 20mm, storage time 24 hours polyurethane waterproof coating, check for leaks. Quality inspection: coating materials must meet the design standards and specifications, brushing coating method, lap, close head shall comply with, the film should be the end of the film firmly bonded polyurethane waterproof coating Dual close, tight joints, no damage , hollowing. Waterproof layer should be brushing uniform, firm bond with the grass roots, smooth surface, not a flowing, wrinkles, bubbling, Lucy and Alice carcass defects. Polyurethane waterproof coating classification, Beijing polyurethane waterproof coating, long a source of waterproof material provided by the Weifang City for the source of waterproof material Limited. Weifang City for the source of waterproof material Ltd. (www.jiuyuanfangshui.com) strong, credible, Shandong Weifang waterproof, moisture-proof materials industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the long-source waterproof material into the brilliant and you work for a better future!