Construction process polyurethane waterproof coating cleaning grassroots: The blade will stick to the leveling layer of the skin to get rid of gray polyurethane waterproof coating, with a broom sweeping clean the dust, especially in the root canal, drain and drain and other parts should be carefully cleaned. If any oil brand polyurethane waterproof coating, application brush or wire brush and sandpaper to intermediaries in oil paint and mortar surface brushing together. The surface must be flat, depression 1:3 use cement mortar. Base surface (substrate) treatment: · The substrate must be firm, smooth, waterproof polyurethane coating wholesale clean, no dust, grease, wax, release agents and other detritus; · base has pores, cracks, defects inequality shall be pre-patched with cement mortar smooth color polyurethane waterproof coating, plastic strip joints recommend paste, add a layer of non-woven nodes required, is recommended Lei Bangshi filling nozzle orifice grout filling; yin and yang corner should wipe into a circular shape (or V-shaped); ? Ensure sufficient base surface moist, but not out of water; · new poured concrete surface (including the plaster surface) in the pre-construction should be allowed to dry completely. Polyurethane waterproof coating wholesale _ _ Guizhou China shield waterproof polyurethane waterproof coating materials provided by Shouguang City Shield waterproof material Limited. Shouguang City Shield Waterproof Materials Co., Ltd. (www.huadunfangshui.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. Shield waterproof material in China, leading the staff warmly welcome all inquiries negotiations to create a waterproof material Huadun a better future.