Waterproof Tanking membrane is the ideal product for use on showers, wet rooms and wet zones in bathrooms when waterproofing before tiling. It forms a permanently flexible watetight membrane and is non hazardous and solvent free. can be used with underfloor heating, on plasterboard, MDF, Plywood, Cementitious Boards, Blokwork, Conrete and Speciality Wet Room Boards. Waterproof Tanking membrane is easy to apply by brush, is quick drying and can be tiled after 24 hours. Tested to BS/EN 14891.