Fireplace Mortar (Black) – 10.3 Fl Oz Cartridge

Fireplace Mortar (Black) – 10.3 Fl Oz Cartridge Rutland Products’ original fireplace mortar is formulated especially to patch fireplace fireboxes, bond fire brick to fire brick, and re-poit fireplace brick in teh firebox. When cured it sets rock hard and as strong as fire brick. Meets ASTM E136 and E72. Rated to withstand up to 2000 degreeF. Requires heat to cure and may be painted once heat cured. Black.