UsealUSA Hot Liquefied Rubber Driveway Crack Sealer Contractor's 6 pack #68119CP(Refill) Fills any size cracks. Heats up in 20 minutes or less Expands and contracts with the weather to ensure a 100% watertight seal Used on airports, highways and roads Contractor's 6-can pack Approx. coverage 240' lin.ft. 1/2