Schluter-DITRA-HEAT is a modern, advanced under-tile floor heating system. A significant refinement on the underfloor heating systems from the last decade, it is thicker, easier to install, and is entirely waterproof. This is a roll of the heating wire used with the new DITRA-HEAT system. It is designed to be laid into the DITRA-HEAT underfloor tile membrane, and works with DITRA-HEAT thermostats to provide gentle, even heat to the tile it has been laid under. Product Features Strong and Robust Cable Schluter-DITRA-HEAT heating cables are very well manufactured, and have the durability they need to stand the test of time. Versatile Layout The cables can be laid in nearly any layout imaginable inside of the DITRA-HEAT membrane sheets, allowing you to fit your radiant floor perfectly to your tiled room's layout. No Clips or Fasteners Needed The heating cables lock into the DITRA-HEAT membrane without any other accessories or tools, making clips, fasteners, and other wire stabilizers a thing of the past. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.