Rust-Oleum 4.75 Gal. 310 Roof and Foundation Asphalt Roof Coating

Rust-Oleum 310 Roof and Foundation Coating is a non-fibered asphalt emulsion designed for spray or roller application as a high quality primer and thin base coat for use with Rust-Oleum 350 Fibered Black Roof Coating and other black roof coatings. Coating fills pores and can bridge hairline cracks to stop water from entering through the surface. Product can be used as a damp proofer on vertical surfaces to protect against moisture penetration in roofing or building applications.