Electric Radiant Floor Warming System by Heatizon Systems, a 20-year USA manufacturer. Kit includes a 7-Day Programmable GFCI Floor Sensing Thermostat: This system will heat floors for new or remodel construction and can be installed under Tile and Stone, or in a mortar bed under laminate, vinyl, or carpet. Simply roll out the right-sized heating mat to cover the desired square footage before installing the floor. At about 1/8" thick, the heating element causes minimal floor buildup. Limited Lifetime Warranty Heatwave Floor Heating Cable 120 Volt with Required GFCI Programmable Thermostat Size/Coverage: 44' - 8-15 Square Feet 77' - 16-30 Square Feet 154' - 32-60 Square Feet 203' - 50-94 Square Feet 362 - 64-120 Square Feet Do not cut/shorten heating element - Purchase a system the same or smaller than the size of the area to be heated.