Rutland Products 64C Furnace Cement, 10.3 fl. oz. Cartridge, Black Great cement for small repairs or big rebuilds, easy to use and clean up Smooth consistency cement bonds and seals metal to metal or metal to masonry joints Repair stove cracks and seals, reset firebrick, attach your stove collar, glue ceramic logs Approximate Coverage: 99 feet (10.3 oz.) with 1/8" bead Rated to withstand up to 2000 F (1090 C)