Polyurethane waterproof coating is a very good waterproof material, more widely used in China, but why is there a polyurethane waterproof case waterproof polyurethane reason it failed failed:? Bottom not clean: because before waterproof construction, must be prime floor clean, and try not to have dust and loose material polyurethane waterproof coating, otherwise there will be a waterproof layer and grass-roots phenomenon is not strong bond, leaving the leakage risk. The purpose primer coating polyurethane waterproof coating is cut off grass moisture loss from the drum to prevent the waterproof coating, reinforced grass roots, improve the bond strength of the coating and base, not to the people's livelihood coating peeling, pinholes appear to prevent the coating layer, porosity and other defects. Waterproof polyurethane coating formulated rubber bottom. Group A and Group B points polyurethane primer designed for use in sub-1: 3-4 (mass ratio), mixing evenly polyurethane waterproof paint manufacturers can be applied to construction. Group A points can also be added to xylene and Part B mixing evenly colored polyurethane waterproof coating, mass ratio of 1: 1.5: 2. Polyurethane waterproof coating to construction. Complex parts of a small area, angle, pipe roots, floor drain and drain polyurethane waterproof coating and other prices, by brush, a large area of ??usable length of the hair roll roll. Coating thickness should be uniform, can not show the bottom of uneven thickness. Generally the amount of (0.15 ~ 0.2) kg / m2. Dried over four hours, before the next process of construction. Qingzhou polyurethane waterproof coating, long the source, water-based polyurethane waterproof coating provided by the Weifang City waterproof material Co., long the source. Qingzhou polyurethane waterproof coating, long the source, waterborne polyurethane waterproof coating is in Weifang City for the source of waterproof material Ltd. (www.jiuyuanfangshui.com) this year introduced a new upgrade, the above picture is for reference only, please call the contact or pictures on this page phone, for the latest information, contact: Sui Jingli.