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How to clean old brick walls

Though they add character and charm to any home, brick walls become dusty and dirty over time. Clean your brick walls regularly to maintain their appearance; use the proper products and methods to clean old brick walls so not to damage the brick surface. Whether your old brick walls are inside or outside of your home, keep them clean to preserve the beauty of the brick.

Dust off the brick. Use a feather duster or vacuum cleaner hose attachment to remove loose dust and dirt from interior brick walls. Rinse exterior brick walls with plain water from the garden hose.

Fill a bucket with 11.4 litres (3 gallons) warm water. Add 118 ml (1/2 cup) clear washing up liquid to the water. Use your hands to mix up the soap and water. Fill a separate bucket with 11.4 litres (3 gallons) of plain, warm water if you are cleaning interior brick. Exterior brick cleaning does not require the use of the second bucket of plain water.

Start cleaning at the top of the brick wall, working your way toward the bottom. Clean the wall in sections of about 90 cm to 1.5 m (3 to 5 feet).

Dip a rag into the bucket of soapy water. Wring out the rag well.

Scrub the bricks with the rag and soapy water. Rinse and wring out the rag often while cleaning. Use an old toothbrush dipped in the bucket of soapy water to clean the mortar between the bricks.

Rinse interior brick walls with a rag dipped in a bucket of plain water. Rinse and wring out the rag often to avoid reapplying dirt and soap to the walls. Rinse exterior brick walls with plain water from your garden hose, rinsing from the top of the wall toward the bottom. Allow the brick walls to air dry.

Use a salt and soap cream as an alternative method for cleaning brick walls. Mix equal parts washing up liquid and table salt into a bowl. Stir the ingredients well with a spoon. Dip a rag into the bowl, and scrub the mixture onto the brick walls. Allow it to sit on the walls for 10 minutes, then rinse with a rag and plain water, or water from a garden hose if the walls are outside.

Things You'll Need

  • Feather duster or vacuum cleaner with hose attachment
  • Garden hose
  • Two buckets
  • 118 ml (1/2 cup) clear washing up liquid
  • Rags
  • Old toothbrush
  • Table salt
  • Bowl
  • Spoon
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About the Author

Kimbry Parker has been writing since 1998 and has published content on various websites. Parker has experience writing on a variety of topics such as health, parenting, home improvement and decorating. She is a graduate of Purdue University with a Bachelor of Arts in organizational communication.