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How to Repair a Fireplace

04:55

Learn how to repair crumbling mortar in a fireplace in just a few basic steps. Start by scrubbing excess ash and dust from the walls of the fireplace to expose the brick. Then clear any loose mortar from the firebox floor and walls. Repair the joints using heat-resistent mortar. After some drying time, clean up the joint lines for a smooth finish.

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