Meeco's Red Devil 121 Gray Furnace Cement & Fireplace Mortar - High-Temperature Silicate Cement for FireBrick, Gasketing, Mortar Joints & Wood Stoves (10.3 fl oz Cartridge) - Made in the USA

Pre-mixed, ready-to-use high temperature silicate cement. Designed for patching or repairing cracked or chipped firebrick and mortar. Multi-purpose cement for bonding and sealing both masonry and metals with working temperatures up to 2,000-Degree F. Effective in re-setting and cementing furnaces, stoves, chimney collars, boilers and duct work. Gray in color.