Custom Marble's mission is to provide high quality, high value products for residential and commercial applications. Design and installation services are is a full line manufacturer of cast polymer products ranging from elegant whirlpools, soaking tubs, fireplace faces and hearths, vanity tops with integral bowls, drop-in bowls, window sills, floor tiles, shower bases, Wet wall for tubs & showers, soap/shampoo holders, kitchen countertops, and accessories. offered to add additional value to our products