Refractory Cement, available in a variety of sizes.
A ready-mixed, high temperature silicate mortar for setting, coating or resurfacing firebrick. Used extensively as the mortar between firebricks when building fireplace fireboxes. The ideal high-heat sealant for masonry-to-masonry joints under 1/4" thick. Buff color. Asbestos-free. Passes ASTM E136 and E72.
* Also available in cases.
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