Chimney sweep furnace cement

A ready-mixed, all-purpose, high temperature resistant furnace/refractory cement. It will bond masonry to masonry, steel to steel, and steel to masonry. It is not for exterior use. 

Withstands temperatures over 2700F+. Gray in color. Comes in 1 Quart resealable plastic tubs. This is the perfect cement for installing ash dump doors in the fireplace!