Get as much ventilation in the room as possible.
How to paint a concrete wall interior.
Use patching compound to fill any holes scratches or gouges in the concrete surface.
Additionally apply painter s tape to the edges of your walls molding and door frames to make sure you work in straight neat lines.
Wait at least eight hours but no more than 30 days to paint.
It will probably take more than one coat to get suitable coverage and a few thin coats leave a stronger surface than one thin coat.
The paint should not be streaky or show brush strokes.
You ll paint this sealant onto the concrete in long even strokes.
The paint may be sprayed on rolled on or painted on with a brush.
Paint should be applied in at least 3 thin layers.
Paint your wall with concrete paint.
Then pour primer in your paint tray and use a paint brush to line the outer edges of your walls with it.
Primer dries in two hours.
To paint an interior wall start by protecting your floors and furniture by putting down painter s canvases.
You may need to wait several days.
If there are cracks present you will need to fill the cracks using a concrete patch kit.
How to paint a concrete wall.
Use a masonry or concrete sealant to seal the wall.
If your basement is unfinished consider spraying the paint on.
Once the surface is clean it is important that you take the time to carefully survey the concrete for any visible cracks.
Consider the following when tackling a concrete painting project.
The first step in this process is to clean and prep the concrete you will be painting.
Get complete coverage and make sure your sealer is completely dry before moving on to the next step.
Masonry paint also called elastomeric paint or elastomeric wall coating is a good choice for concrete painting because it contains binders that contract and expand with the concrete.