Our waterproof glue contains modified acrylic and polyurethane. It is highly waterproof and can penetrate into the rupture, forming a waterproof layer on the surface. Its use method is very simple: 1. Clean the construction surface to ensure that the surface is free of moisture. 2. Apply the product directly to the construction area with a brush; 3. Allow 24 hours to dry, during which time do not touch water; 4. After the formation of waterproof layer, water will not penetrate. Wide range of application, suitable for cement surface, metal, tile, marble, wood, plastic surface waterproof construction.