1. Requirements base surface smooth, clean and free from sand, loose. 2. Construction should be carried out based surface inspection to ensure compliance with the requirements of polyurethane waterproof coating series, the first coat of primer, primer must be uniform. 3. After curing primer, a second brushing, brushing direction required with previous vertical cross, to prevent leakage of scraping, brushing followed by three to five times. 4. Upon completion, the former waterproof layer of uncured, not the Master shall be carried out under the procedures, so as not to damage the waterproof layer. Embedded parts leaking parts: Reason: around embedded parts polyurethane waterproof coating quality, especially the lower, pouring concrete is more difficult polyurethane waterproof coating, vibration compaction easy. Embedded surface rust polyurethane waterproof coating manufacturers, hard tight bond with concrete. Maintenance: Use tools embedded parts surrounding annular groove carved to expose embedded parts, rust and clean place to place, with a waterproof sealant around stuffing, and then do the surface water. Polyurethane waterproof coating composition _ _ Hebei long source of waterproof material polyurethane waterproof coating provides long source from Weifang City 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.