If you re painting indoor concrete you ll also want to apply a concrete sealant so moisture doesn t mess up your paint job.
How to seal concrete walls before painting.
You may need to wait several days.
Get as much ventilation in the room as possible.
If primed no conditioner is needed.
Don t apply sealer over painted walls or efflorescence.
Before applying check the weather.
Sealer needs to be applied in dry conditions because it won t adhere to damp concrete.
Never been painted before and i know its going to sook the paint in like a sponge.
However there are some things to consider when painting a concrete wall.
What do you recommend.
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.
4 a straight clear sealer will work well and easy to maintain.
Get complete coverage and make sure your sealer is completely dry before moving on to the next step.
I have a concrete block wall to paint in sandtex white.
If your concrete is new you ll need to let it cure wait at least one month before applying sealer.
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.
Masonry paint 20 per gallon can be tinted and is much thicker than exterior paint.
Exterior house paint can crack and peel on concrete.
3 paint will work reasonably well but will require periodic maintenance remove loose paint and primer before painting.
If you or a previous owner painted the basement walls you ll have to remove the paint before applying sealer which only adheres well.
Use a masonry or concrete sealant to seal the wall.
I recommend seal krete concrete sealer or something like it.
Once you re done with that apply a layer of concrete paint primer with a roller and let it dry.
To paint concrete start by cleaning it with soap and water and repairing any cracks or uneven surfaces.
You ll paint this sealant onto the concrete in long even strokes.