Firebrick Firebrick are bricks specially formulated and processed to withstand the repeated heating cycles in a fireplace. They must meet the requirements for ASTM C 1261. Superior Clay offers 6 standard colors of firebrick, plus the ability to custom glaze firebrick in any color and finish, so we're able to provide the color that will best suit your home

For more information, or to order this product, please call 1-800-660-6903