A super-tough, silicate cement that sets rock-hard when fired. Ideal for repairs to fire places and various wood burning stoves. The black textured paste adheres well to fire brick, cinder block, metal and mortar. It cures with a warm fire and provides a durable, long-lasting seal that withstands temperatures up to 1000 degrees F. Non-flammable. Interior use only. Water clean up.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov