How to clean a concrete fireplace mantel

Written by kimbry parker | 13/05/2017
How to clean a concrete fireplace mantel
Remove dirt, soot and debris from your fireplace mantel with routine cleaning. (calore image by giuseppe fulciniti from

A concrete fireplace mantel is susceptible to dirt, dust and soot, just like the actual fireplace. Concrete is durable material that is relatively easy to maintain. Routine cleaning is necessary to keep a concrete fireplace mantel looking nice. Dust and dirt are easily hidden on concrete, leaving concrete surfaces often ignored during cleaning. Cleaning a concrete fireplace mantel as part of your routine house cleaning will leave the mantel dirt and dust free.

Remove loose dirt, dust and debris from the mantel. Use a handheld broom and dust pan to sweep off the mantel.

Fill a bucket with water as hot as you can tolerate. Add a few drops of mild dish soap to the water. Fill another bucket with plain warm water for rinsing.

Dip a scrub brush into the bucket of soapy water. Scrub the mantel with the scrub brush and soapy water.

Dip a rag into the bucket of plain water. Wipe down the mantel with the rag to remove the soapy water. Rinse the rag frequently in the bucket to avoid reapplying dirt to the mantel.

Use an oxygen bleach solution for deeper cleaning and to remove tough stains from the concrete. Fill a bucket with 1 gallon of hot water. Add 236ml. of oxygen bleach to the bucket, and allow it to dissolve completely.

Dip a sponge into the oxygen bleach solution. Use the sponge to saturate the concrete with the solution.

Allow the solution to sit on the mantel for about 10 minutes. Scrub the mantel with a scrub brush.

Rinse the mantel with a rag and plain water. Allow the mantel to air dry.


Use an old toothbrush to clean in corners and crevices that are hard to reach with a scrub brush.

Tips and warnings

  • Use an old toothbrush to clean in corners and crevices that are hard to reach with a scrub brush.

Things you need

  • Handheld broom
  • Dust pan
  • 2 buckets
  • Water
  • Mild dish soap
  • Scrub brush
  • Rags
  • 227gr. oxygen bleach
  • Sponge

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