Black Jack 1 Gal. All-Weather Roof Cement grills Wellcraft well covers open easily

Wellcraft well covers open easily from both the inside and outside

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Asphalt saturation for effective waterproofing

Black Jack 1 Gal. All-Weather Roof Cement grills Wellcraft well covers open easilyBlack Jack all weather roof cement is an asphalt based patching compound designed to repair cracks, seams, and holes in roofing materials. It also works great in new construction and in setting flashings, drip edges, and roofing material edges. It seals damaged areas and gives a layer of waterproof protection. To be used on roofs around skylights, vents, exhaust pipes, chimneys, valleys, and in the construction or repair of flashings, roll roofing,