DITRA-HEAT is an electric floor warming system that directly incorporates uncoupling technology to ensure that floors aren't susceptible to cracked tiles and grout.

DITRA Membranes at Lamborghini Montreal | Schluter Available in Use Interior, floors, heavy-duty, uneven weight distribution, showroom Applications Luxury retail, commercial, automobile industry ...

Choose the best flooring for each room in your house (and keep them looking pristine) following these simple tips from home improvement expert Mike Holmes.

A much easier option is to install an insulated electric infloor heating system on top of the existing concrete. The best I know about is called DITRA-HEAT-DUO.