DAP High Heat Mortar is non-combustible silicate cement used for patching chipped firebrick in fireplaces and sealing wood-burning stoves. High Heat Mortar adheres firmly to the firebrick when wet or dry. It can also be used for applications in wood frame construction where an ASTM E136 non-combustible sealant is required, such as sealing around vents, pipes, ducts, and chimneys at ceiling and floor level prior to the application of drywall products. High Heat Mortar has been tested in accordance with ASTM E136 and withstands temperatures up to 2,000° F. Color: Black Size: 10.1oz To see more caulking, fillers and/or spray foam air sealing options, please see links below.
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Green Power Features & Specs
Draft, Smoke, Fireblock Sealant for Openings in Wood-Frame Construction
Excellent for Patching Fireplaces & Wood Burning Stoves
Withstands Temperatures up to 2,000° F
ASTM 136 Rated
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