GARDNER-GIBSON 6147-9-30 Tuff-Seal Roof Flashing Cement, 4.75 Gal Black Jack tuff-seal, 4.75 gallon, 7 year roof flashing cement, premium asphalt based sealing compound designed to repair cracks, seams holes in roofing materials, also designed for use in new construction in setting flashings, drip edges, other roofing edges, provides tight seal layer of waterproofing protection, can be used below grade, stops leaks fast, great on flat or vertical surfaces, long lasting crack resistant seal, better stick in wet or dry conditions, Dries black, 1 gallon covers approximately 12 sq. ft. when applied 1/8 inch thick, do not store at temps above 100 degrees. Features Designed to repair cracks, seams holes in roofing materials Designed for use in new construction in setting Flashings, drip edges, other roofing edges Provides tight seal layer of waterproofing protection USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.