Clean the concrete wall.
How to clean concrete walls for painting.
How to prep walls for drylok.
For exterior projects use a power washer to rid the wall of all dirt and dust.
A soft brush vacuum cleaner hose attachment.
Select paint appropriate for your outdoor project.
Choose paint for your project.
Dust off the walls with a dry rag to remove loose dirt and dust.
Examine the walls.
You can t simply use soap and water to clean concrete as the concrete will simply soak up these items.
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.
Protect the floor around the walls with plastic sheeting.
The next step that you can do is to wring the rag and then try to wipe down your walls.
You will need a paint that is.
Next use a chemical concrete cleaner to clean your wall and remove dirt and dust.
While there is no best way to clean walls before painting most walls can be washed using a sponge and warm water.
If there is old paint already on the concrete use a wire brush to strip it all off.
Next you can use a stiff or scrub brush with water that you already filled with soap to scrub the walls.
Scrub the entire wall briskly with a dry stiff bristled scrub brush or a stiff wire brush.
Repair any cracks or blemishes in your wall with concrete patch.
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.
Fill a bucket.
How to clean interior concrete walls step 1.