Minwax Helmsman Clear Semi-Gloss Spar Urethane, 1 Quart is a very tough clear wood finish designed to provide durable protection. It resists cracking, checking, peeling, and yellowing, ensuring your wood surfaces maintain their beauty over time. This urethane protects wood from water, salt air, sun damage, and atmospheric pollution, making it i for use on patio furniture, exterior doors, bar tops, and wooden boat surfaces. With coverage of approximately 400-500 square feet per gallon, it excellent value and long-lasting defense against the elements. Model Number: