RUST-OLEUM® 380 non-fibered asphalt emulsion coating is a premium, water based protective coating for built-up asphalt roofing and concrete foundations. Asphalt emulsions are faster drying, low odor alternatives to solvent based asphalt roof coatings. 380 non-fibered asphalt emulsion can be used as a base coat for reflective coatings or as a protective coating for new or existing composition roofs with smooth (not graveled) surfaces. 380 non-fibered asphalt emulsion can also be used for damp proofing exterior below grade foundations and walls.