Fire Brick (6 Bricks/Box) – 4.5″ X 9″ X 1.25″

Fire Brick (6 Bricks/Box) – 4.5″ X 9″ X 1.25″ Use to build new fireplace fire boxes or to replace broken fire brick. Intermediate duty bricks have a maximum service temperature of 2700 degreeF, making them suitable for use in most modern gasification boilers and furnaces. Use in conjunction with a Rutland high-temperature cement. Check owner