Chimney Saver Flash Seal 1 Gallon Black Sealant limited-lifetime BTU Rating Minimum 18K BTU

BTU Rating Minimum 18K BTU Rating Maximum 39

While shown here with what we call a "Natural Linen" shade

5" (W) x 4" (H)

or any evening gathering around the patio

and move the flames to your required position

Chimney Saver Flash Seal 1 Gallon Black Sealant limited-lifetime BTU Rating Minimum 18K BTUFlash Seal is a versatile and easy to use flashing repair system that, when dry, forms a flexible, waterproof membrane. Its formulated for permanent adhesion to asphalt shingles, metal flashings, brick, and other chimney and roofing materials. Use Flash Seal to solve the problem of leaks around the base of chimneys, stacks, and vents. It is also great for sealing around skylights. What's Included Flash Seal 1 Gallon Black Sealant Features Coverage