Painting interior concrete walls can add warmth to a basement at very little cost.
Repainting old concrete walls.
Continue reading below our video of the day.
Fill any holes and cracks with suitable filler perhaps using flexible filler for cracks.
Wash the wall to remove any grease.
Clean the concrete walls with a trisodium phosphate solution and a scrub brush.
Unless you re an experienced painter you may want to purchase extra paint to account for more absorption than usual.
Repainting concrete surfaces is a bit more demanding than painting freshly laid concrete.
For exterior projects use a power washer to rid the wall of all dirt and dust.
A suitable spray pattern is the 15 degree tip held 12 inches from the surface.
Repaint the wall with at.
These are the steps for repainting your wall.
From there you can take a specific course of action or treatment.
The solution will remove the grease and oil which might prevent the new paint from sticking.
You will need a paint that is.
Surface preparation for old painted walls is a little different from new concrete because previously painted concrete surfaces can have an existing problem that needs to be treated first.
Repair any cracks or blemishes in your wall with concrete patch.
You can actually increase the amount of livable space you have just by adding some paint.
Because concrete is porous it absorbs a lot of paint.
Clean the concrete wall.
As a general step you must always observe the condition of the surface that needs repainting.
Use a commercial style pressure washer and at least 2500 psi.
Use a scraper to remove the old paint from the wall.
Painting a masonry or concrete surface be it walls or floors inside or out can give new life to your home.
Choose paint for your project.
You might want to sand and reprime.
To prepare for repainting.
Any remaining loose paint will need to be removed manually.
Aged concrete surfaces are coated with various things such as staining compounds sealants and of course older paint all of which present difficulties.
A space that may once have been dank and dirty can now be bright and clean.