Get as much ventilation in the room as possible.
How to repaint concrete wall.
Before adding your color you need to use primer to ensure that the paint will stick.
You may need to wait several days.
Concrete sealer prevents water from absorbing into the concrete and helps prevent stains.
You ll paint this sealant onto the concrete in long even strokes.
Allow the concrete surface to dry.
Seal the concrete wall.
Here s how to update your worn down concrete the correct way.
Again follow the manufacturer s instructions to confirm the necessary application and drying time.
Clear top coat sealer may be applied over latex paint for added protection.
Existing paint needs to be scraped and sanded.
Apply 1 layer of concrete paint primer with a paint roller.
Remove efflorescence a white powder that forms on moist concrete.
Scrape any areas with loose or flaking paint and lightly sand using fine 120 grit sandpaper.
Scrub the surface with a long handled brush.
Use a masonry or concrete sealant to seal the wall.
Use patching compound to fill any holes scratches or gouges in the concrete surface.
In case of mildew infestation treat with a bleach solution 1 3 laundry bleach to water respectively by swabbing or brushing.
Get complete coverage and make sure your sealer is completely dry before moving on to the next step.
Apply a primer to the concrete to ensure strong adhesion of the paint.
If the concrete has not been sealed there will be condensation on the plastic wrap.
Wash the wall with tsp and let dry thoroughly.
For repainting concrete with chalky old paint use boysen chalk blocker b 7304 as surface conditioner.
Apply wide painter s tape to the wall where it meets the floor to avoid painting the wall.
Fix any cracks with a concrete crack injection kit.
Prepare a solution of water mixed with any household cleaning chemical.
Step 1 cleaning and scrape.
Clean the concrete thoroughly with trisodium phosphate tsp and warm water then let dry.
Try krud kutter concrete clean etch 8 50 for 32 ounces.
Roll on 1 coat of concrete sealer and allow it to dry overnight.
Concrete sealer is available at most hardware or home improvement stores.