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, bon, and repair cracked or broken firebricks in stoves, fireplaces, and furnaces as well as for building fireplace boxes. Thick, smooth consistency makes this cement amazon for mortar between firebricks. Rated for temperatures up to 2000 deg. Fahrenheit. Rated up to 2000F (1090C) Requires heat to cure. May be painted once heat cured.

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