Tenon 10 lb. Refractory Mortar 120913

ProSpec Refractory Mortar is a specially-engineered blend of specific cements and aggregates giving the mortar unique heat-resistance and thermal characteristics for use in high-temperature applications such as inside fire pit rings, setting chimney clay flue liners, parging a smoke chimney chamber, and setting fire bricks. Passes ASTM C 199 for mortar temperature limits to 2,550°F for a minimum of 6 hours.