Rutland Products understands the importance of keeping up your fireplace and wood stoves! Use black fireplace mortar for cracks and holes that measure 1/8” or less in your firebrick. Immediately after use you will be able to use your fireplace and wood stove. Just remember when finished caulking first burn a low fire to dry fireplace mortar, then heat strongly to cure. When the fireplace mortar is properly cured (1200 degrees) it will withstand up to 2,000°F! The mortar will dry to be as hard as your firebrick so you can rest easy about your firebrick repair work. This black mortar is even ideal for filling in joints. Keep up on your fireplace maintenance with black fireplace mortar. This high temperature fireplace mortar can patch up any cracks in your fireplace and comes in 3 different colors!
In-stock products will ship within one week.
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