Products / Black Jack Tuff-Seal Roof & Flashing Cement

Black Jack Tuff-Seal Roof & Flashing Cement (product 6147) is an asphalt-based compound for repairing cracks, seams and holes in roofing and for setting flashings, drip edges and other roof edges in new construction, and may also be used below grade. Its technical data sheet gives a coverage of approximately 12 square feet per gallon and states it is not for single-ply or synthetic roofs. It is sold in 1-gallon and 5-gallon pails.