Home / Services / Residential Chimney Services In PA / Leaky Chimneys / Flash Seal


Flash Seal is a high-quality, elastomeric sealant specifically formulated to create a durable and watertight barrier around your chimney's flashing. It adheres seamlessly to various roofing materials, including shingles, tiles, and metal, providing reliable protection against water penetration.

Flash Seal is user-friendly and easy to apply. It comes in a convenient cartridge or can be purchased in larger quantities for professional use. The sealant can be applied with a standard caulking gun or a trowel, allowing for precise application on the flashing and ensuring a secure and tight seal.

Flash Seal exhibits excellent flexibility, allowing it to expand and contract with temperature changes and movements of the chimney and roof. This flexibility helps to maintain the integrity of the seal over time, even in extreme weather conditions. Flash Seal's long-lasting formula ensures that your flashing remains protected for years to come.

Flash Seal is suitable for use on a wide range of chimney flashing materials, including metal, copper, aluminum, and more. Whether you have a traditional masonry chimney or a modern prefabricated one, Flash Seal provides a reliable and versatile solution for sealing and protecting your flashing.

Flash Seal creates a waterproof barrier that prevents water from seeping into the vulnerable areas of your chimney where flashing is installed. It effectively withstands heavy rain, snow, and other weather elements, ensuring that your chimney remains dry and free from water damage.

By using Flash Seal to protect your flashing, you can save on costly repairs caused by water leaks and damage. Investing in preventative measures like Flash Seal can help extend the lifespan of your chimney and avoid expensive repairs down the line.
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