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