DAP High Heat Mortar

DAP® High Heat Mortar is a 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.

High Heat Mortar 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.

  • 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

Color Available:

  • Black

SKU Product Code Unit Size Color Case Pack Weight Dimensions Cases/ Pallet
7079811660 18854 10.1 fl. oz. Black 12 15.60 lbs. 8x6x12 102
7079818854 18854 10.1 fl. oz. Black 12 15.60 lbs. 8x6x12 102
18854 English Spanish English Spanish

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