Polyurethane waterproof coating construction craft brushing primer: polyurethane A, B groups were and xylene by 1:1.5:2 ratio (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 polyurethane waterproof coating series, brushing amount of 0.2kg / m or so. After brushing should be dry than 4h, the next step is to carry out the operation. Tank should be filled, seam sealing polyurethane waterproof coating, the surface of the membrane strip joints to enhance the ability to adapt to sew deformation as such, should be set up between the sealant and spacer bars. Models such as the use of polyurethane waterproof coating matrix reinforced material for sealing materials to protect the upper bar (additional conditions) when it should keep the shop, that is an additional sheet of paper insulation material (such as silicone film between the matrix material and the sealing material, poly vinyl film isolation), the only sub-lattice seam on both sides of the surface of the paint brush leveling layer of polyurethane waterproof coating usage, Shangqiu polyurethane waterproof coating, waterproof material supplied by China shield Shouguang City Shield waterproof material Limited. Shouguang City Shield Waterproof Materials Co., Ltd. (www.huadunfangshui.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 Chinese Shield waterproof material and you hand into the brilliant, for a better future!