For surfaces that have exposure to oil or grime like kitchen walls wash with a solution of water and grease cutting detergent and follow up with clean water to remove any residual cleaning agent.
How to clean concrete walls for painting.
You will need a paint that is.
Dust off the walls with a dry rag to remove loose dirt and dust.
If there is old paint already on the concrete use a wire brush to strip it all off.
Scrub the entire wall briskly with a dry stiff bristled scrub brush or a stiff wire brush.
This will catch any drips from the cleaning solution.
How to clean interior concrete walls step 1.
The next step that you can do is to wring the rag and then try to wipe down your walls.
You can t simply use soap and water to clean concrete as the concrete will simply soak up these items.
Clean the concrete wall.
A special masonry cleaner is designed to avoid this.
Choose paint for your project.
Protect the floor around the walls with plastic sheeting.
Fill a bucket.
A soft brush vacuum cleaner hose attachment.
For exterior projects use a power washer to rid the wall of all dirt and dust.
Slip on a face mask and safety eyewear to protect your respiratory system and eyes from any harsh dusty residue released into the air by the.
Select paint appropriate for your outdoor project.
To make the best result in cleaning the concrete wall that is not already painted you also can add another bucket that you should fill with warm water.
Next you can use a stiff or scrub brush with water that you already filled with soap to scrub the walls.
Examine the walls.
How to prep walls for drylok.