Zar, QT, Clear, Poly High Performance Satin Exterior Water Based Polyurethane, Rich, Environmentally Safe, Wood Finish Specially Formulated To Protect & Beautify Exterior Wood Surfaces Exposed To Direct Sunlight, Containing Ultraviolet Radiation Absorbers & Anti-Oxidants, Full Bodied Formula Brushes On Like Conventional Polyurethane For Maximum Durability & Beauty, Ideal For Wooden Marine Surfaces Above Water Line, Exterior Doors, Including Fiberglass, Wood & Steel Doors, Natural Wood Siding, Patio Furniture, Fences, Gables & Other Wood Surfaces.