|Waterproof and ready to tile |Prevents mold and mildew growth |Features integrated KERDI waterproofing |Quick and easy to install eliminating the need for a mortar bed |Made of lightweight, expanded polystyrene |Available in thin perimeter heights to simplify construction of curbless showers |Twelve sizes available, including a neo angle configuration and off-center drain for tub replacements |Specifically designed to integrate with KERDI-BOARD-SC shower curbs, KERDI, and KERDI-DRAIN