12mm Underfloor Heating Insulation Board 1200 x 600mm

THERMABOARD - Insulation Board for substrates and underfloor heating Totally impervious to moisture, providing a waterproof barrier when used in conjunction with waterproof joint tape. Suitable for use with all types of underfloor heating & creates a thermal layer improving underfloor heating efficiency. Tested to hold a tile weight of 62kg/m2 Lightweight & easy to cut making preparation time faster. 6mm boards can be used on solid walls and concrete or sheet timber floors prior to tiling