Hammered Mosaic Range Wet room Tanking System is a Black pigmented solvent free soft paste which dries to give a flexible waterproof coating for protection of water sensitive backgrounds prior to tiling. Suitable for situations such as domestic kitchens, bathrooms, showers and commercial applications.This product is suitable for use in internal locations where water will drain from the floor surface with a slight fall. Unsuitable for swimming pools or where there is continuous water immersion. from behind. COVERAGE: Ceramic Tiles - 0.5Kg per metre2