Lift off the peeling paint with a stiff putty knife or paint scraper.
How to paint a concrete block basement wall.
How to paint the block walls in a basement step 1.
Repair any cracks or blemishes in your wall with concrete patch.
Apply the paint to the concrete block with an airless sprayer and then immediately back roll it working in sections along the length of your wall.
The type of paint you select for interior concrete walls will depend upon the use of the room as well as its décor.
Examine the surface of the wall for efflorescence a fine white powdery substance.
You will need a paint that is.
You want to paint the joints with a paintbrush because it is challenging to paint with a roller and every pore of the cinder block needs to be painted.
You may also use a pressure hose to.
Paint with a sheen or gloss will be easier to maintain for example.
New unpainted concrete block walls need to have all dirt and loose mortar removed prior to priming.
Because concrete is porous it absorbs a lot of paint.
When selecting a paint remember that there.
Select paint appropriate for your outdoor project.
Painting interior concrete walls can add warmth to a basement at very little cost.
For exterior projects use a power washer to rid the wall of all dirt and dust.
Scrape dirt and loose grit from cracks with a wire brush.
How to paint concrete block basement walls step 1.
Locate any sources of moisture and correct the problem before starting your paint job.
Make sure to apply 2 coats to achieve the highest durability.
Remove any mildew with a mildew remover following the product instructions.
Apply the first coat of paint by cutting in around the edges of the wall with a paintbrush plus between each joint of the cinder block.
Clean the concrete wall.
Choose paint for your project.
This can include ensuring.
Vacuum away residual dust and debris.