Black Jack Roof-Patch 1 Gal. Elastic Crack Sealer and Repair Pack options:Pack of 1 collar is ideal for venting

collar is ideal for venting through the roof

Space saving slim design expands a single wall outlet into 6 outlets

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Black Jack Roof-Patch 1 Gal. Elastic Crack Sealer and Repair Pack options:Pack of 1 collar is ideal for ventingBlack Jack Roof Patch is an extra tough, flexible repair compound designed to patch splits, cracks and holes in roof surfaces. This water based patch dries quickly to a non tacky surface which offers great adhesion to all coatings applied over it. It is designed to repair cracks and holes up to 1 In. in width. Black Jack Roof Patch should be used with seam and repair fabric. Black Jack Roof Patch remains flexible while it expands and contracts with