The Best Way to Clean Old Bricks

Written by j. johnson | 13/05/2017
The Best Way to Clean Old Bricks
Old brick can get pretty dirty over time. (Jupiterimages/Creatas/Getty Images)

If you have any brick around your home, you know how difficult it can be to clean bricks and keep them clean. When you utilise the very best cleaning methods, you may go a longer time between cleanings. The best methods may also be necessary for particularly old brick that has a large build-up of debris and organic material, such as algae. The surfaces of some bricks are not smooth, so cleaning them can be challenging, but it possible with the right tools and methods.

Use a power washer with pressure of less than 1361 Kilogram per square inch to wash off your old brick. A more powerful washer can damage the brick's surface. This can get rid of a lot of surface stains on the brick, as well as clear away some of the algae and moss growth.

Mix 1 part household chlorine bleach and 9 parts water in a bucket.

Scrub the entire surface of the brick with a stiff-bristled brush. The bleach solution will remove stains and get rid of any stubborn algae and moss.

Rinse the brick area again with the power washer.


Wear eye protection and rubber gloves when cleaning with chlorine bleach.

Tips and warnings

  • Wear eye protection and rubber gloves when cleaning with chlorine bleach.

Things you need

  • Power washer
  • Water
  • Household chlorine bleach
  • Bucket
  • Stiff-bristled scrub brush

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