Add superior thermal efficiency and complete tanking protection with Tile Rite 10mm Ultralight Waterproof Tile Backer Boards. Featuring double-sided waterproof membrane lamination, these 1200 x 600 mm boards create an unyielding, watertight surface for heavy wall and floor tiles. Simple to cut with a utility cutter and easy to fasten over timber studs or masonry, they prevent heat loss and eliminate damp risks in domestic and commercial wet areas.Key Features & USPs:* 100% Waterproof Tanking Board: Completely seals sub-structures against water ingress in baths, walk-in showers, and wet rooms.* 10mm Structural Rigid Core: Offers extra rigidity and thermal insulation over uneven surfaces, ideal for underfloor heating prep.* Printed Measurement Grid: Features pre-marked gridlines for effortless measuring and fast score-and-snap cutting without mess or heavy machinery.* High Load Capacity: High tensile strength holds heavy porcelain, natural stone, and large-format ceramic tiles securely.* Multi-Surface Compatibility: Fixes directly onto studs, existing timber floors, OSB, or masonry using adhesive or mechanical screw fixings.Product Specifications:• Brand: Tile Rite• Product Code: ULB073• Thickness: 10mm• Dimensions: 1200mm x 600mm• Coverage per Board: 0.72 m²• Pack Quantity: [5 / 10 / 15 / 20] Boards• Material: Extruded Polystyrene (XPS) Core with Dual Membrane Lamination• Suitable Rooms: Bathrooms, Wetrooms, Showers, Laundry Rooms, Public Facilities• Suitable Substrates: Timber/Metal Studs, Brickwork, Concrete, OSB, Plywood• Cutting Method: Score & Snap (Utility Cutter) or Hand Saw.