Kerdi-Board is a multi-functional tile substrate and building panel that can be used for creating bonded waterproofing assemblies with tile coverings. Kerdi-Board is made from an extruded polystyrene foam panel, with a special reinforcement material on both sides and fleece webbing for effective anchoring in thin-set mortar. It can be used in the creation of a broad range of building elements, such as showers and bathtub surrounds.
- Waterproof building panel made of extruded polystyrene foam 
- Panel dimensions are 1/2-in x 48-in x 96-in 
- Dust-free and easy to cut with a utility knife 
- Lightweight, easy to handle and transport 
- Grid lines printed on the surface help for neat cuts 
- Tile can be installed directly over Kerdi-Board using the thin-set method 
- For use with ceramic and natural stone tile