Solid surface showers are nonporous, grout-free shower bases and wall panels that resist stains, mold and mildew and are easy to clean. Shop solid surface shower bases, wall panel kits and complete shower kits in alcove, neo-angle, round and ADA barrier-free sizes, including trench drain bases, from Willoughby and Carstin (Wolf Home Products), for homes, multi-family, healthcare and behavioral health projects.