Schluter Systems underfloor heating combines warmth with the beauty of your tiles. Uncoupling and waterproofing membrane is designed to secure DITRA-HEAT electric floor heating cable in place. Electric floor warming system operates on 120-volts and delivers 12. 7-watts. Innovative heating solution works with any tiled floor so you can have warm feet and stylish tile work. Custom heating zones allow you to heat an entire room or a specific spot. Membrane addresses the magnified fluctuation in temperature to help prevent tile and grout cracking. DITRA-HEAT membrane secures the heating cable without clips fasteners or a leveling compound allowing you to install tile immediately after the cable. Waterproof polypropylene composition protects the unit from moisture penetration.