Transolid Linear shower bases are constructed of Transtone, a high-tech composite material composed of resin, fiberglass and filler that is compression molded for precise radius and angle. It is strong, lightweight, slip resistant and scratch resistant. Linear shower bases feature a concealed drain with a removable cover, bringing a design element and additional comfort to your shower experience. Covered by a 10-year limited residential/3-year limited commercial warranty.Constructed of Transtone, a high-tech composite material composed of resin, fiberglass and filler that is compression molded for precise radius and angleContains a single-threshold base to support a shower door and keep water inEasy installation makes this linear shower base the perfect choice for remodeling or new constructionTranstone is a hygienic, non-porous solid surface material that is scratch and impact resistant and impervious to mold and mildewTextured, slip resistant floorConcealed ABS drain contains a lift off cover for easy cleaning while adding a sleek look to the designMeets or exceeds the following specifications: IGC 154-2012, ASME A112.18.1/CSA B125.125.1-11, IAPMO, cUPCCovered by a 10-year limited residential/3-year limited commercial warranty