Rust-Oleum 980 Silicone Roof Coating is a high solids, 100% silicone based roof coating that creates a durable, breathable, watertight and weatherproof barrier that resists natural weathering and reflects heat from the sun. 980 Silicone Roof Coating resists ultraviolet radiation and adapts to temperature extremes to provide long-term weathering protection and energy savings. The premium high solids formula allows for one coat application without the use of a primer. 980 Silicone Roof Coating can be applied over spray applied polyurethane foam; aged single-ply roofs including PVC, EPDM, TPO, Hypalon®; aged acrylic coatings; concrete; asphalt built-up roofs; granulated modified bitumen; metal; RV and trailers roofs; and over existing silicone roof coatings. 980Silicone Roof Coating contains no solvents. 100% silicone, 98% solids - allows for one coat application, 84% reflectivity, Resists ponding water, Resists rain after 2 hours, Lifetime warranty.