Products / Mule-Hide 221 Wet/Dry Roof Cement

An all-weather, trowel-grade asphalt flashing cement that can be applied to wet or dry surfaces, including in standing water, for emergency patching of holes and cracks in asphaltic roofing. It is used to repair built-up roofs, asphalt shingles, metal and masonry and to seal openings around chimneys, vents, skylights, metal joints and gutters. The product page lists a Florida Product Approval document.