The MasterHeat U-notch Plastic Cable Trowel is designed not to damage electric floor heating cables and provides a level of safety during installation. (3/8" x 1/2")
The MasterHeat U Notch Plastic Cable Trowel is designed not to damage electric In-floor heating wire. This MasterHeat Trowel is a 3/8" x 1/2" U-notch Plastic Cable Trowel that is used to apply thin-set mortar, and is recommended for applying mortar over any electric floor heating system.