FlashSeal is a versatile and easy-to-use flashing repair system that, when dry, forms a flexible, waterproofmembrane. It’s formulated for permanent adhesion to asphalt shingles, metal flashings, brick, and other chimneyand roofing materials. Use FlashSeal to solve problem leaks around the base of chimneys, stacks, and vents. It isalso great for sealing around skylights.

Repairing flashings that have been tarred over, split, cracked, or are indisrepair is easy with FlashSeal. It’s like installing a custom fit rubber boot atthe base of the chimney! It remains permanently flexible and has a 7 yearwarranty when used with FlashSeal Reinforcement Fabric. One gallon coversapproximately 28 linear feet. Soap and water while product is still wet.