Brushing primer: polyurethane A, B groups were proportionally 1:1.5:2 and xylene (weight ratio) with stir, can be used. Use the scroll brush or paint brush dipped in glue evenly brushing the bottom surface at the grassroots level, not too thin nor too thick, brushing amount of 0.2kg / m or so. After brushing should be dry 4h polyurethane waterproof coating over wholesale to operate the next step. Water test: After the film is finished using the water test for polyurethane waterproof coating type, make love to the door with mortar dams, drain surrounded by high physical block, then turn on the water, the shallow water of not less than 20mm polyurethane waterproof coating composition, storage water 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 tightly, 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. The amount of polyurethane waterproof coating, long a source of waterproof material, Ningxia polyurethane waterproof coating Ltd. Weifang City for the source provided by waterproof material. Weifang City for the source of waterproof material Ltd. (www.jiuyuanfangshui.com) Shandong Weifang, waterproof, moisture-proof materials, leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the long leading source of waterproof material with the staff warmly welcome all inquiries negotiations to create long waterproof material source a better future.