How To Remove Efflorescence From Concrete Block Walls: 5 Easy Steps Of Removing Efflorescence From Concrete Walls


5 Easy Steps Of Removing Efflorescence From Concrete Block Walls

Efflorescence is a clear & transparent deposit of salts that can occur when water is present on brick, concrete, stone, stucco, as well as other building surfaces. It has a white or greyish shade or color that is made up of salt deposits left behind when water evaporates. Apart from this, efflorescence can also emerge as a powdery substance on floors as well as walls that need to look after in order to treat. Therefore, it is extremely important to know how to get rid of efflorescence from concrete block walls. Efflorescence is not enduring & everlasting on your wall, so you can get rid of it easily provided you have the right tools and follow the correct technique.

Step 1: Collect The Necessary Tools

In order to get rid of the efflorescence from your concrete block walls, some of the handy tools and ingredients are needed. These tools may include:
  • A Bucket Filled With Warm Water
  • Liquid Dish Soap & Sponge
  • Clean Cloth, Paint Or Bristle Brush
  • Dry Cloth, Protective Goggles, And A Fan

Step 2: Make A Mixture Of Soap And Warm Water

After collecting the tools, you need to mix soap with 5 gallons of warm water in a bucket before adding a few drops of liquid dish soap to it. With the help of a bristle or paintbrush, you need to scrub the wall. Soak the brush in a mixture of soap and water before scrubbing the wall properly.

Step 3: Use Fresh Water

After you successfully scrub a large area using the brush, now change the water & use freshwater, due to the reason that the water will become dirty by repeatedly dipping the brush after scrubbing. After scrubbing the wall using soap, rinse the wall with plain water with the help of a clean cloth by dipping it in the water. Check whether there is any dirt or efflorescence left or not in the wall.

Step 4: Use Fans To Dry The Wall

After you cleaned the wall with freshwater, it is extremely important to dry the wall. Otherwise, the wall will again soak up the water, and there is every chance that efflorescence will occur again. This technique is for concrete block walls that are inside your home. As far as outside walls are concerned, there is no need of a fan to dry the wall. Allow the sun and wind to dry the walls. Always clean the walls in the daytime so that there is no need to do extra hassle for drying the walls.

Step 5: Clean With Strong Chemical Products For Intense Layer Of Efflorescence

If cleaning the wall with liquid dish soap and warm water isn’t enough, then use a chemical cleaner in order to clean the wall. Before applying chemical products, it is important to wet the concrete wall. With the help of a cloth or a spray, wet the wall where efflorescence has appeared. It will help the wall keeping away from absorbing the chemical components, which can result in a worse situation.
If you follow the above described step-by-step guide, you will be able to get rid of the efflorescence easily from your concrete block wall. This guide will work for both inside as well outside walls.

Remove Efflorescence Using The Vinegar

  • In order to get rid of the efflorescence using vinegar, you will need to make a mixture of the same amount of vinegar and water into a bucket. As another option or possibility, you can also mix trisodium phosphate with warm water.
  • As vinegar is an acid, it will assist in reacting against the alkaline properties of efflorescence and get rid of it from the wall.
  • Vinegar is a strong alkaline, therefore, you need to be careful while using it. Soak a paintbrush in the water and vinegar mixture before scrubbing the wall rigorously.
  • Wet the wall with the vinegar solution and allow it to sit for nearly 15 minutes. Then, wash the wall with clean water in order to get rid of the excess dirt.
  • Always clean the wall accurately after you are done with the scrubbing. Otherwise, the strong smell of vinegar can be very irritating for you. If there is any property of vinegar remaining in the wall, it will break down or deteriorate the wall gradually over time.
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