Our Most Versatile Design, Ramp Sinks slope to order! Front, back, side, center ramps, all with great possibilities for color coordination. Faucet placement and countertop are to spec. With this enigmatic creation, water flows down the ramp and vanishes into an obscured slot drain, no visible hardware. In EarthCrete™ concrete, lighter, stronger, more colorful, sustainable and UN-stainable! IAPMO-listed, can be ADA-complaint. On cabinetry or floated between walls, natural or designer colors.