Transolid Ultra Low Linear shower bases are the perfect choice to replace an old tub. They are available in 60" x 30" and 60" x 32" to accommodate traditional tub sizes and the drain measures 8-1/4" from the wall to line up with an existing tub drain. Made of numerous layers of Transtone, a sheet-molded compound material that is solid throughout the base and is supported by sturdy structural ribs underneath that radiate out from the drain opening. When combined with a thinset mortar installation, this creates a flex-free, water-tight installation and a foundation that you can count on. The base features a 2.6" ultra-low threshold that is just a smidgen wider to even accommodate popular farmhouse style barn doors. The surface is scratch, impact and slip resistant with a beautiful finish for a minimalist look. Easily replace a bathtub without having to update plumbing - drain is 8-1/4" from wall to line up with existing tub drain. Transtone is a hygienic, non-porous solid surface material that is scratch and impact resistant and impervious to mold and mildew. beautiful textured, slip resistant floor. Single threshold is slightly wider to accommodate thicker shower doors. Easy installation makes this linear shower base the perfect choice for remodeling or new construction. Contains a lift off cover for easy cleaning while adding a sleek look to the design. Transolid TRS_FLU6030R Features: Covered under Transolid's 10 year limited warranty and 3 year limited commercial warranty Constructed of stone composite A slip-resistant bottom ensures a safe bathing experience and integrated tile flanges make installation and waterproofing a breeze Coordinates with products from the Low Threshold line seamlessly Transolid TRS_FLU6030R Specifications: Height: 3-5/8" (top to bottom) Length: 60" (left to right) Width: 30" (front to back) Number of Tile Flanges: 3 flanges Installation Type: Three Wall Alcove Drain Placement: Right