How to Make Concrete White After Cleaning

Written by kallie johnson | 13/05/2017
How to Make Concrete White After Cleaning
Deep cleaning and spot treatment can help restore the natural colour of concrete. (Jupiterimages/ Images)

Concrete is exposed to a variety of outdoor elements, such as rain, sap and dirt, which can stain or discolour the surface. If, after cleaning with soap and water or a concrete cleaner, the stains are not removed, household products can be used to lift the stains and restore the natural colour. Depending on the type of stain and how long it has sat on the concrete, it can take several attempts or products to remove the stain and make it white again.

Pour 1 cup full-strength white distilled vinegar into a bowl. Do not dilute the vinegar.

Dip a scrubbing brush into the vinegar.

Scrub the vinegar into the stain. Continue scrubbing until the stain lightens or lifts. Allow the vinegar to dry on the concrete.

Repeat as needed until the stain is removed.

Spray the concrete with a hose to make it wet.

Sprinkle baking soda directly onto any spots or stains.

Brush the baking soda deep into the stain, using a scrubbing brush. Allow the baking soda to dry on the concrete. After dry, allow it to sit for at least an additional hour, preferably overnight. The baking soda absorbs any stains or impurities that can cause discolouration in concrete.

Spray away the baking soda residue, using a hose. Allow the concrete to air-dry. Repeat as needed until the stain is removed.

Combine 3 tbsp household bleach with 1 gallon of warm water in a bucket.

Dip a sponge or cloth in the bleach solution. Rub into the spot or stain,soaking the area with the solution. Allow the solution to work into the stain for five to 10 minutes.

Dip a cleaning brush into the bleach mixture. Scrub the brush into the stain.

Dump the solution out of the bucket. Rinse the bucket well and refill with cool water. Dip a cloth or rag into the water. Squeeze to remove excess moisture. Wipe down the concrete to remove bleach residue. Allow the concrete to air-dry. Repeat as needed until the concrete is clean.

Things you need

  • 1 cup vinegar
  • Bowl
  • Scrubbing brush
  • Hose
  • Baking soda
  • 3 tbsp bleach
  • Bucket
  • Cloth or sponge
  • Rag or cloth

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