Road Rescue Pre-Mixed Asphalt Repair, 50 Lb. Bag, Black is used to patch and repair potholes in asphalt, Blacktop, concrete roads, driveways and parking lots. Can be applied in hot or cold temperatures, or wet/dry weather. No mixing or special equipment required. Hardens immediately upon compaction. Covers 7 sq. ft. Made from natural limestone rock asphalt. Zero VOCs.