Perfect for larger rooms and open layout floor plans, the Environ™ Flex Roll Underfloor Heating System Kit may be cut and turned at 90° or 180° to fit any room. The ultra-thin, non-adhesive foil rolls are safe and easy to install. Yielding 12 watts per square foot, the evenly spaced internal heating cable provides wall-to-wall warmth for your carpet, laminate, engineered wood, and floating wood floors.