Rust-Oleum® Elastomeric Roof Patch is a high performance acrylic elastomeric roof sealant intended for application to metal, asphalt, modified bitumen and most single-ply roofs. The highly flexible, rubber-like elasticity accommodates wide swings in temperature and significant building movement. Rust-Oleum Elastomeric Roof Patch is UV Stable and may be used to repair roofs and seal metal roof fasteners. Elastomeric Roof Patch dries white and can be painted or coated with elastomeric roof coatings.