Polyurethane waterproof coating construction process: 1. sweeping grassroots polyurethane waterproof coating performance, brushing primer 2, 3 detail additional layer, the first layer of the coating 4, 5 second coating layer, the third layer 6.... Gravel and sticky coating. Cleaning the grassroots: the stick on the leveling layer of skin removed with a shovel ash, dust with a broom will sweep clean, especially root canal, drain and drain and other parts should be carefully cleaned. If oil polyurethane waterproof coating when applied 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. Waterproof coating divided into four categories: hard mortar, mortar flexible, acrylic, single-component polyurethane. According to classified material traits, waterproof material mainly into three categories: 1, waterproof membrane, mainly for construction, such as roofs, exterior walls, basement; 2,911 polyurethane waterproofing materials, waterproofing membrane containing volatile gas, construction demanding and expensive; 3, new polymer cement-based waterproof material polyurethane waterproof paint brand, a composite material made of an organic polymer and inorganic powder made of liquid material, a blend of organic materials and inorganic materials, high elasticity and good durability, waterproof polyurethane paint targets after the formation of high-strength coating tough waterproof coating, this new material with cement-based surface became one perfect, durable no delamination, is a popular choice for families waterproof material. Polyurethane waterproof coating plant _ _ long a source of waterproof material polyurethane waterproof coating provides long-source by Weifang waterproof material Limited. 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.