Keep your blacktop driveway in top condition or repair your walkway in preparation for a high-performance sealant with Gardner-Gibson Blacktop Crack & Joint Filler. This commercial-grade, high-performance, rubberized compound is flexible and waterproof for a long-lasting seal. It's an ideal choice for filling 0.75-inch cracks in blacktop roads, driveways, walkways, pavement and joint expansions. It's also excellent for patching foundation walls and other masonry surfaces. The fast-drying formula is easy to apply with a caulking gun. Squeeze material into crack and allow to cure for 24 hours. Dries black. Follow all directions on label. Packaged in a 1-gallon container; six pieces per case. Established in 1945, Gardner-Gibson has been setting the standard for the industry with a variety of roof, road and waterproofing products for more than 75 years. Today, Gardner-Gibson products are sold at leading stores and distributors throughout the United States and beyond. When professionals want results they can count on, they turn to Gardner-Gibson.