Imperial 32 Oz. Hi-Temp Stove/Furnace Cement

32-ounce Gray Hi-Temperature Heavy Bodied Silicate Stove & Furnace Cement. It is ideal for repairing wood or coal stoves, furnaces, fireplaces, and flues. Its exceptional bonding and sealing capabilities make it suitable for metal-to-metal and metal-to-masonry joints under 1/8-inch. Durable as firebrick when heat cured, this cement withstands temperatures up to 1482 Deg C, 2700 Deg F. With a drying time of 24 hours, it effectively prevents air and gas leaks in flue and chimney joints. Meets or exceeds ASTM C 199 Pier test.