Rust-Oleum Black Oil Base Semi-Gloss Protective Enamel, 1 Quart a durable and tough finish designed to protect most metal, wood, or masonry surfaces both indoors and outdoors. This high-quality enamel resists weathering, salt air, moisture, mild chemicals, and industrial fumes, ensuring long-lasting protection. It provides excellent hiding power and covers up to 400 square feet per gallon. The enamel dries to the touch within 2 to 6 hours and can be recoated after 24 hours. It can be applied easily with a brush, roller, or spray, and if thinning is necessary for spraying, use paint thinner or mineral spirits. Cleanup is simple with paint thinner or mineral spirits. This semi-gloss finish adds a sleek gloss sheen to your surfaces, making it a reliable choice for various protective and decorative applications.