If there is old paint already on the concrete use a wire brush to strip it all off.
How to paint new concrete wall.
Apply a primer to the concrete to ensure strong adhesion of the paint.
Using a solution of trisodium phosphate tsp and warm water clean the.
Patch cracks and holes.
Paint with a sheen or gloss will be easier to maintain for example.
Repair any cracks or blemishes in your wall with concrete patch.
All it takes is time and some very careful preparation.
Choose paint for your project.
The type of paint you select for interior concrete walls will depend upon the use of the room as well as its décor.
Next use a chemical concrete cleaner to.
If the work history of the walls is.
Before adding your color you need to use primer to ensure that the paint will stick.
Patch gouged or otherwise damaged areas with concrete filler.
Apply a coat of sealer to the concrete rendered wall if the render is made of acrylic.
Apply the paint to the concrete block with an airless sprayer and then immediately back roll it working in sections along the length of your wall.
Rolling or brushing it on while not difficult will take much longer.
Clean the concrete surface with tsp.
Apply the paint to the wall.
After the primer is completely dry you re.
Allow this to dry for several.
Again follow the manufacturer s instructions to confirm the necessary application and drying time.
You will need a paint that is.
When you set out to paint concrete the process.
If your basement is unfinished consider spraying the paint on.
Apply 1 layer of concrete paint primer with a paint roller.
Determine whether cement or acrylic render was used on your concrete walls.
Clean the concrete wall.
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.
How to paint your indoor concrete wall.