Need to repair potholes, wide cracks (over 1.5-in. wide) or other large pavement distresses? Crafco Mastic One provides a long-lasting and complete solution. Mastic One is a hot-applied, pourable sealant that adheres to both asphalt and concrete, and can be used on roadways, parking lots, bridge decks and more. Because Mastic One fills and seals voids, it produces a strong and waterproof repair that offers a service life of 5+ years.