Black Jack Tuff-Seal 7 Year, 4.75 Gallon, 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. One gallon covers approx. 12 sq ft when applied 1/8" thick. Do not store at temps above 100 F.
