The first layer coating: After polyurethane A, B groups were and xylene by 1:l.5:0.2 ratio (weight ratio) fit into the bucket polyurethane waterproof coating spices, stirring with an electric mixer evenly (about 5min), a paint brush with a rubber scraper or knife coating a layer of paint, thickness should be uniform, blade coating amount of 0.8 ~ 1.0kg / m preferably, back from the inside out with the operation. The second layer of film: After the first layer of the coating, the coating cured to a tack-free, according to the first pass material ratio method, the second time the operation polyurethane waterproof coating paint manufacturers, as the coating thickness, Scratch the direction perpendicular to the direction must first pass Scratch, scratch the same amount and the first pass. The newly revised "roof engineering and technical specifications" to expand the selection of materials for all kinds of waterproof polyurethane waterproof coating color range, and to create the conditions for the application of polyurethane waterproof coating clean new waterproof materials, ease of design staff in the formulation of comprehensive consideration of technical waterproof design in conjunction with the economy, that meet the requirements of the waterproof layer and durable life and the relationship between the waterproof material selection should have according to quality, the principle of competitive prices. Use waterproof material should be considered to ensure the durability of more than 10 years. According to the stiffness of the situation and the extent of exposure to the roof structure of the roofing materials should be selected UV-resistant, heat-aging resistance and good retention rotten performance, and the ability to withstand stress grassroots level, temperature deformation without cracks and fracture membrane. Polyurethane waterproof coating wholesale, 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.