This premixed, easy to trowel, fiber reinforced refractory cement is an ideal high-heat sealant for masonry joints 1/4" or less. Use this cement to set, bond, and repair cracked or broken firebricks in stoves, fireplaces, and furnaces as well as for building fireplace boxes. Thick, smooth consistency makes this cement amazing for mortar between firebricks.
•Rated up to 2000°F (1090°C)
•Requires heat to cure
•Approx. Coverage: One gallon per 45 count 9x4-1/2” firebricks.