ChimneySaver FlashSeal Elastomeric Roof Chimney Flashing Sealant - Flexible Waterproof Roofing Sealant - 1 Gallon (Black)

FlashSeal is a versatile and easy-to-use chimney flashing sealant that forms a flexible, waterproof membrane when dry, providing long-lasting protection for your home. Specially formulated for permanent adhesion to asphalt shingles, metal flashings, brick, and other roofing materials, this elastomeric roof sealant is ideal for sealing leaks around the base of chimneys, stacks, vents, and skylights. FlashSeal is also effective for repairing flashings that have been tarred over, split, cracked, or are in disrepair, making it a reliable chimney waterproofing sealant for a variety of roofing challenges. Its synthetic rubber material ensures a custom-fit, rubber-like barrier that remains permanently flexible, helping to prevent water intrusion and extend the life of your roof. With a 7-year warranty when used with FlashSeal Reinforcement Fabric, this 1-gal. liquid sealant is suitable for both professional contractors and DIY homeowners. The product measures 9 in. x 9 in. x 9 in. and weighs 14 lbs., making it easy to handle and apply. Trust ChimneySaver FlashSeal for superior performance in protecting your chimney and roof from water damage.

• WATERPROOF LEAK PROTECTION: Creates a flexible waterproof barrier for chimney flashing, skylights, vents, and stacks. Prevents water intrusion and protects roof intersections from leaks.
• DURABLE FLEXIBLE SEAL: Made with synthetic rubber, this chimney flashing sealant resists cracking and chipping. Maintains long-lasting flexibility for reliable roof and chimney repairs.
• EASY APPLICATION PROCESS: This elastomeric roof sealant applies smoothly with a brush. Fill cracks and holes with a 1/8 in. coating. Cleans up easily with soap and water after use.
• STRONG ADHESION TO SURFACES: Bonds permanently to asphalt shingles, metal flashing, brick, and more. Available in black, brown, and tintable white to match your roofing or counterflashing.
• LONG-TERM WARRANTY COVERAGE: Backed by a 7-year warranty when used with fabric. This chimney waterproofing sealant offers peace of mind and lasting protection for chimney flashing repairs.