Use a masonry or concrete sealant to seal the wall.
How to seal concrete walls before painting.
Sealer needs to be applied in dry conditions because it won t adhere to damp concrete.
You may need to wait several days.
Never been painted before and i know its going to sook the paint in like a sponge.
Don t apply sealer over painted walls or efflorescence.
If your concrete is new you ll need to let it cure wait at least one month before applying sealer.
The temperature also needs to stay above 50 f during application and drying time up to three days.
Before applying check the weather.
Painting a concrete wall can spruce up an area or make it blend in with the rest of the area s décor.
I recommend seal krete concrete sealer or something like it.
4 a straight clear sealer will work well and easy to maintain.
Get as much ventilation in the room as possible.
Wash dry and reapply in most cases.
You must choose the appropriate type of concrete paint determine if the wall is sealed from moisture and apply primer prior to painting the wall.
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.
Exterior house paint can crack and peel on concrete.
However there are some things to consider when painting a concrete wall.
I have a concrete block wall to paint in sandtex white.
To paint concrete start by cleaning it with soap and water and repairing any cracks or uneven surfaces.
Get complete coverage and make sure your sealer is completely dry before moving on to the next step.
Masonry paint 20 per gallon can be tinted and is much thicker than exterior paint.
If you or a previous owner painted the basement walls you ll have to remove the paint before applying sealer which only adheres well.
What do you recommend.
If you re painting indoor concrete you ll also want to apply a concrete sealant so moisture doesn t mess up your paint job.
You ll paint this sealant onto the concrete in long even strokes.
I was going to seal it in unibond pva then paint but if that was an inside plaster wall id expect it to peel right off.