Schluter Systems Kerdi-Board 48-in x 32-in x 1/2-in Water Resistant Polystyrene Foam Backer Board Item #3854455 | Model #MT-20202RH It is made of polyethylene

It is made of polyethylene creating a waterproofing layer protecting the substrate

4-Pin cylinder for increased pick resistance

The tools versatility and multiple attachments will help you accomplish multiple tasks

1/2-in CF connectors and NPT adapters included

Schluter Systems Kerdi-Board 48-in x 32-in x 1/2-in Water Resistant Polystyrene Foam Backer Board Item #3854455 | Model #MT-20202RH It is made of polyethyleneKerdi Board is a multi functional tile substrate and building panel, which can also be used in bonded waterproofing assemblies with tile. It consists of an extruded polystyrene foam panel, with a special reinforcement material on both sides and fleece webbing for effective anchoring in thin set mortar. Waterproof and dimensionally stable Panel may be used for bonded waterproofing assemblies for tile with proper preparation of seams Extruded