Used to repair wood or coal stoves, furnaces, fireplaces and flues. Can be used to fill gaps between masonry and metal. Prevents air and gas leaks in flue and chimney joints. Meets or exceeds ASTM C 199 Pier test. Size: 8 ounce Color: Gray Heavy-bodied high temperature cement spreads easily Non-asbestos Bonds and seals metal-to-metal and metal to masonry joints under 1/8" Durable as firebrick when heat cured Used to repair wood or coal stoves, furnaces, fireplaces and flues Can be used to fill gaps between masonry and metal Resists temperatures up to 1482 degree C (2700 degree F) Meets or exceeds ASTM C 199 Pier test. Directions: Clear all dirt, rust and debris from the surface to be cemented. Lightly dampen the surface area with water. Stir the cement. Add a small amount of water if it is too thick to spread. Apply cement evenly with a damp trowel. Clean up spills immediately after use. Air dry for 24 hours then heat gradually when first starting fire. Must be heat cured. Not for exterior use.

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