The Prodeso Cable Installation Membrane is an uncoupling membrane that is designed to be used with TempZone electric floor heating cable*. This 162 sq. ft. roll of the membrane is great for use in larger projects. The unique design of the membrane allows greatly accelerated installations of radiant floor heating—in fact, most floor heating installs with this membrane can be completed in a single day. The polypropylene membrane features integrated channels are shaped to easily and securely hold the 3.7-watt TempZone Heating Cable.