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.

• Sets rock hard when fired
• Adheres well to fire brick, cinder block, metal & mortar
• Long lasting
• Withstands temperatures up to 1000 degrees
• Non flammable
• Interior use only
• Water clean up
• Black