When you set out to paint concrete the process.
How to prepare interior concrete walls for painting.
Clean the concrete surface with soap and warm water removing any old paint.
Smoothing walls before painting is necessary for surfaces previously painted with a gloss or high gloss paint.
Choose paint for your project.
For previously painted water based paint sand with a fine grit sandpaper.
Repair any cracks or blemishes in your wall with concrete patch.
First sweep away any surface leaves debris and dirt.
Prepare the wall by picking away any loose edges of drywall facing paper.
To clean the walls that need to be painted you can use a vacuum cleaner or a towel.
Clean the concrete wall.
All it takes is time and some very careful preparation.
Scrub away any dirt grime or gunk that is stuck to the concrete.
If you intend to paint your bathroom and kitchen walls as well a solution of laundry detergent and water might help you remove residues e g.
You will need a paint that is.
How to paint your indoor concrete wall.
For exterior projects use a power washer to rid the wall of all dirt and dust.
Prime the leftover raw paper with any type of priming paint to seal the raw paper.
Paint with a sheen or gloss will be easier to maintain for example.
Patch cracks and holes.
Next use a chemical concrete cleaner to.
After the primer is completely dry you re.
Then remove any existing paint or gunk using a power washer or scraper and wire brush.
If there is old paint already on the concrete use a wire brush to strip it all off.
Using a solution of trisodium phosphate tsp and warm water clean the.
Clean the concrete surface with tsp.
The type of paint you select for interior concrete walls will depend upon the use of the room as well as its décor.
Use sandpaper or a sanding block to dull any uneven surfaces wipe away dust with a damp cloth and let dry thoroughly.
Select paint appropriate for your outdoor project.
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.