A surface covering such as a carpet, carpet tile, area rug, floor mat or the like incorporating a textile face disposed in contacting overlying relation to at least one polyurethane layer. One or more optional intermediate structure layers may be disposed within, on, over, or under the polyurethane layer and one or more optional backing layers may be disposed across the underside of the polyurethane layer. Polyurethane compositions preferably including castor oil may form the precoat, tiecoat, and/or backing.