Tenon® 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.
Tenon® Underground Utility Mortar 50 lb. (BOM #120704) and 80 lb. (BOM #114181) is a is a dry, preblended, air-entrained mortar mix containing Portland cement, hydrated lime, and dried masonry sand formulated for superior bond and outstanding freeze-thaw resistance in all underground precast concrete structure applications. This product meets ASTM C270 and ASTM C1714 requirements.