Cement+fiberglass mesh XPS tile backer board are water resistant insulated tile backer boards made of extruded polystyrene, faced on both sides with a fibreglass mesh embedded into a thin cement polymer mortar. These can be used as a structural tile backer board in the floor. XPSInsulation Boards will save you money when used in conjunction with undertile heating by acting as a very efficient thermal barrier. They reflects the heat upwards into the floor tile instead of allowing heat to warm up the concrete slab below. FEATURE: The boards are waterproof and dimensionally stable low weight,one board(1200*600*10mm) isaround 1.8KG easy to cut(by knife) excellent for wet rooms excellent sound insulationcolor of the XPS foam board can be blue,pink, light yellow Normal size: (Length: 1200mm / Width: 600mm / Thickness: 10mm ) we also can produce based on your requiremens or samples. Minimum order 40 feet container. Accessaries: fiberglass reinforcement tape, washers,screws can be provided as well Minimum order 40 feet container. accessiories: self-adhesive mesh tape, washes, screws can be provided.