Stove & Fireplace Mortar

  • Use for repairing cracked and chipped firebrick and tuck pointing mortar into damaged masonry-to-masonry joints where cracks are 1/4” or less
  • Non-asbestos
  • Spreads easily, superior bonding strength
  • Durable as firebrick when heat cured
  • Resists temperatures up to 1093°C (2000°F)
Stove & Fireplace Mortar


Clear all dirt, dust and debris from the area to be repaired. Lightly dampen the surface area with water. Cut nozzle for desired bead size at a 45° angle. Using a caulking gun, apply by pushing mortar ahead of nozzle. Fill the crack or hole and smooth with a trowel. Clean up spills immediately after use. Air dry for 24 hours then heat gradually when first starting fire.

Not for exterior use.


MAY IRRITATE EYES. MAY IRRITATE SKIN. Do not get in eyes. Do not get on skin or clothing. Keep out of reach of children.


Contains Sodium Silicate. If swallowed, call a Poison Control Center or doctor immediately. Do not induce vomiting. If in eyes, rinse with water for 15 minutes. If on skin, rinse well with water.


Use for stoves and fireplaces. Used to re-point mortar joints in a firebox. Meets ASTM E136-79 flammability test.


Item No.Description
KK0067-AStove & Fireplace Mortar GREY /US 10.3 fl. oz.
Item No.Description
KK0296-AStove & Fireplace Mortar BUFF /US 10.3 fl. oz.
Item No.Description
KK0306Stove & Fireplace Mortar BLACK /US 10.3 fl. oz.

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