Rust-Oleum Porch & Floor Coating Semi-Gloss Finish GallonThis urethane fortified acrylic formula provides durable color retention that protects and enhances outdoor wood and concrete surfaces. Its UV, weather and mildew resistant finish is easy to maintain and provides excellent coverage over new or previously coated surfaces. If using multiple gallons, mix all cans at once to ensure color uniformity. This Item Cannot be Shipped Internationally.