Polyurethane waterproof coating of a general construction technology, waterproof grassroots require strong, dry, smooth waterproof coating, no debris. Irregularities and cracks must be smooth with cement mortar; 2, using the appropriate amount of diluent (200 # gasoline or xylene) diluted deployment of a good paint polyurethane waterproof coating market, a thin layer (0.2 to 0.3 mm thick) on the grass-roots level pretreatment; 3, generally divided into three layers scratching, head and said film to be hard work (usually 24 hours) and then brush the second track. The vertical direction between each coating; 4, the ratio: A: B = 1: 2 or executed by packaging requirements. When the construction of the A, B two minutes and pour into a clean container waterproof polyurethane coating evaluation, manual or electric mixer for 3 to 5 minutes until evenly mixed with plastic or rubber scraper evenly brushing the grass-roots level. Shouguang City Shield waterproof material Ltd. waterproof material on the market, there are two categories: First, the polyurethane waterproof coating. Such materials are generally made from polyurethane and coal tar as raw material. Its volatile petroleum coke toxic, not easy to remove, so in 2000 was banned in China. Still selling polyurethane waterproof coating, instead of coal tar pitch is used as a raw material. Polyurethane waterproof coating suppliers | Hua shield against (certified) | waterproof coating 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.