Ultra Tile Backer Board is a high performance board, consisiting of a waterproof extruded polystyrene (XPS) core faced with fibregalss each side, which adds extra strength and rigidity to the board. We stock 6mm & 10mm thicknesses, Ultra Tile Backer Board can be used with all kinds of substrates and is suitable for both new build and refurbishment projects. The board is totally waterproof and rot resistant, making it the ideal solution for tiling wet areas such as bathroom walls, showers and wetrooms. The board is lightweight, easy to handle, and can be easily cut and shaped with a sharp knife. As a result of it’s versatility and strength, Ultra Tile Backer has a distinct advantage over cement and timber based products.