CE approved tile backer boardare water resistant insulated tile backer boards made of extruded polystyrene, faced on both sides with fibreglass mesh embedded into a thin cement polymer mortar. These can be used as a structural tile backer board in the floor, construction board in thewall. It will save you money when you use air condition or heater by acting as a very efficient thermal barrier.With good performance of waterproof, good strength. It is very good to be used in bathroom as well. 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 insulationsuitable for DIY decorationcolor of the XPS foam board can be blue,pink, light yellow. Normal size: Length1200/2500mmwidth600mmthickness6/8/10/12.5/20/30/40/50mm 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.