Asphalt based material for effectively filling cracks in asphalt pavements. Ready-to-use straight from the container, Henry's Driveway Elastomeric Crack Filler gives do-it-yourselfers an easy way to fill minor cracks in home driveway surfaces. It is a unique elastomer-modified asphalt base emulsion produced by incorporating the rubber polymer into the asphalt using extreme pressures and temperatures. Formulated with additional adhesion promoting polymers to provide a tight, highly extensible and flexible, dried film with excellent resistance to water, weathering, and elevated temperatures. Let filled cracks cure at least 7 days or until firm. Fills cracks up to 1/2 In. wide. Superior long-lasting adhesion. Won't become brittle or shrink. Holds strong under weather extremes.