Description
Black jack, 3.6 qt, #20 flashing cement, extra thick trowel grade, non- sag on vertical or horizontal surfaces, use in wet or dry conditions, fiber reinforced, asphalt based all weather patching compound, designed to repair cracks, seams, holes in roofing materials, works great in new construction & in setting flashings, drip edges, & roofing material edges, for use as heavy duty below grade & underground water-proofer & damp proofer.
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