Prepare the wall by picking away any loose edges of drywall facing paper.
Prep concrete wall for painting.
Slip on a face mask and safety eyewear to protect your respiratory system and eyes from any harsh dusty residue released into the air by the.
Apply concrete patch to fix any.
Use a concrete primer which will help you get a smooth even surface that the paint can stick to.
You ll probably need to wait about 48 hours after applying primer before you can paint but don t wait more than 30 days to paint.
Excess residue may interfere with adhesion of the coating.
The surface is ready for priming when it feels like medium to light grit sandpaper and no residue or loose concrete remains.
Clean the concrete surface with tsp.
Clean the concrete wall.
There are two basic types of finish on concrete block smooth and split face.
If you properly paint a concrete block wall it will last for years with little upkeep.
For exterior projects use a power washer to rid the wall of all dirt and dust.
But concrete is different from regular wall so specials tools and steps must be.
Kilz is a great product to use for this step because it seals well and dries fast.
Using a solution of trisodium phosphate tsp and warm water clean the.
Scrub the entire wall briskly with a dry stiff bristled scrub brush or a stiff wire brush.
Select paint appropriate for your outdoor project.
Examine the walls.
Preparing the concrete 1.
First sweep away any surface leaves.
Repair any cracks or blemishes in your wall with concrete patch.
Here are 5 basic steps to help you do the job successfully.
How to prep walls for drylok.
Choose paint for your project.
Clean the concrete surface with soap and warm water removing any old paint.
Painting a concrete wall can change a gray canvas into a colorful statement.
Thoroughly rinse the concrete surface with clean water using a hose with a high pressure nozzle or a pressure washer.
Step 1 clean the wall.
When you set out to paint concrete the process.
Before you paint and after you seal your concrete you need to prime your wall.
Prime the leftover raw paper with any type of priming paint to seal the raw paper.
Remove dense areas of oil or grease with tri sodium phosphate tsp to ensure that the paint doesn t discolor later.
Regardless of the finish and whether the concrete has already been painted the cleaning procedure is very similar.
All it takes is time and some very careful preparation.