Rutland Products (Buff Rutland Fireplace Mortar 10.3 Oz Cartridge
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Feature
Buff (tan) colored fireplace mortarPerfect for repairing small chips or cracked firebrick, re-pointing mortar joints between firebricks, and bonding firebricks together
Sets as hard and as strong as firebrick after curing
Approximate Coverage: 99 feet with 1/8" bead.
Rated to 2000F (1090C)