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Description
A pre-mixed, fiber-reinforced, high temperature silicate mortar for setting, coating or repairing firebrick. Used extensively as the mortar between firebricks when building fireplace fireboxes. The ideal high-heat sealant for masonry-to-masonry joints less than 1/4 In. thick. Effective in resetting and cementing furnaces, stoves, chimney collars, boilers, and duct work. Not intended for exterior use.