Swanstone Vs Dreamline Shower Base . Swanstone 46x32 shower base read review. It's a little nicer, but not by much. SWAN Tahiti Sand Solid Surface Shower Base 32in W x 48in L with from www.pinterest.com 30 inches x 30 inches x 6 inches. For the most part an acrylic bath wall surround, tub or shower base will only have a top coat of acrylic that makes up for 1/3 of the total thickness. Swan, maax, bootz, a2, comfort designs, dreamline and custom glass.