Pli-Stix, 30', Medium, Gray, Latex Driveway Crack & Joint Filler, Contractor Grade Thermo Plastic Rubber Designed For Use With A Heat Gun Or Propane Torch, Permanent, Soft Bonding, Self Leveling Seal For Concrete, Asphalt & Expansion Joints That's 100% Watertight & Traffic Ready In 20 Minutes.