Waterproof agent is a new type of high efficiency waterproof material without pollution and irritation. It is widely used in advanced countries. This product (spraying or brushing) on the surface of the building, a layer of colorless transparent, imperceptible to the naked eye anti ultraviolet breathable film formed on the surface, when the rain hitting or damp air, water droplets will naturally flow to prevent water intrusion, but also can be washed clean and dust the surface of the building. To make the interior moisture, mildew, wall clean and prevent weathering and.