RUST-OLEUM 347434 Roof and Foundation Sealer, Black, 4.75 gal Pail, Liquid

Rust-Oleum roof and foundation sealer is a non-fibered asphalt emulsion that can be spray or roller applied as a high quality primer and thin base coat for use with black roof coatings. Rust-Oleum roof and foundation sealer fills pores and is a dampproofer on vertical surfaces to protect against moisture penetration in roofing and building applications.