Buff Fireplace Mortar - Cartridge

This is our original fireplace mortar formulated especially to patch fireplace fireboxes and to bond firebrick to firebrick. Fireplace mortar is a silicate product that when fire cured, sets rock hard - as strong as firebrick itself and withstands 2 000Aø fahrenheit. Comes in a convenient cartridge for easy repointing of fireplace brick within the firebox. Not for exterior use. Colors match most mortars