Of polyurethane waterproof coating waterproof layer construction, dust and other debris should be cleaned surface of the substrate, and wipe with a clean, damp cloth. Brushing waterproof layer of the primary surface, without uneven, loose, hollowing, sand, cracks and other defects, moisture content is generally not more than 9%. Brushing primer (corresponding to cold base oil): 1) a polyurethane waterproof coating formulated primer, Weicheng polyurethane waterproof coating, the first polyurethane material A, B material xylene was added at a ratio of 1: 1.5: 2 (weight ratio) Stir with the formulated amount, as the case may be, not too much. 2) Brushing the end of glue, the law will be formulated primer mix, with a long brush evenly brushing the grass surface, brushing amount 0.15-0.2kg / m2, after applying normal season after 4h, feel When the stick, two-component polyurethane waterproof coating, can do the next step. Coating polyurethane waterproof coating is mainly applied to the bathroom, roof or basement waterproofing all fittings, sanitary equipment, floor drain or drains, etc. must be securely installed, joints tight, close the first smooth, without any loosening. Shovel and broom with tools such as the primary surface asperities, mortar pimple eradicate the dust debris thoroughly cleaned. On the angle, pipe roots, floor drain and drain and other parts should carefully cleaning. If found oil, rust use wire brushes, sandpaper and an organic solvent cleaned. The moisture content of less than 9%, PH value <10 primer coating. Weicheng polyurethane waterproof coatings, polyurethane waterproof coating 951, long the source (high merchant) 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 long a source of waterproof material into the brilliant and you work for a better future!