Let the fireplace cool completely
Remove ashes, soot, and loose debris
Cover the surrounding floor and furniture
Vacuum the brick surface with a brush attachment
Mix warm water with mild dish soap
Dip a stiff-bristle brush into the solution
Scrub the brick in small sections
Wipe away residue with a damp cloth
Rinse the brick with clean water
Dry the brick with a clean towel
For stubborn soot, use a paste of baking soda and water
For heavy buildup, use a fireplace brick cleaner
Test any cleaner on a small hidden area first
Avoid using bleach or harsh acids
Repeat cleaning as needed
Keep the fireplace dry after cleaning