Rustoleum's oil-based Spray Enamel is uniquely engineered to protect and defy the elements on the exterior and interior surfaces. The dark taupe satin spray enamel provides the best defense against the harshest environment because it's long-lasting, weather-resistant, and corrosion-resistant. The professional-grade coating of this Rustoleum spray enamel will protect your wood, metal, concrete, stone, or brick surfaces and dries to the touch in 2 - 4 hours.