Durabak 18 (For Outdoors), SMOOTH version - Non Slip Coating, Bedliner, Deck Paint for ALL Boats - Many colors to choose from! - YELLOW - GALLON Durabak 18 is a one-part, moisture cured, polyurethane protective coating with unlimited applications. This version of Durabak is recommended for outdoor use or for applications in direct sunlight. Durabak 18 is tough, totally flexible, slip resistant and waterproof. Durabak 18 is an outstanding product that provides a non-slip coating and professional grade finish to do-it-yourself projects. Durabak 18 can be applied by roller, brush or spray and will bond to concrete, wood, fiberglass, metal and coated surfaces. Durabak 18 will even bond to itself making it easily repairable if necessary. Just open the can, stir and apply to the prepared surface.