WATERPROOF SEALER -PW-800PW-800 Waterproof Tile Sealer / Coat consists of Polyaspartic resin, non-yellowing, weather resistant, isocyanate and additives which is ultra clear and can improve the gloss of the old tile and can be pigmented. Environmental protection, odorlessness, zero formaldehyde and good adhesion to tiles and concrete, excellent impact resistance and elongation at break, simple construction and quick drying, anti-slip, waterproof, repair of the ceramic tile/marble/granite/ natural stone surface of the kitchen and toilet, waterproof construction for concrete or tile base, especially waterproof repair for exterior wall.