But concrete is different from regular wall so specials tools and steps must be.
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.
Prime the leftover raw paper with any type of priming paint to seal the raw paper.
Prepare the wall by picking away any loose edges of drywall facing paper.
Here are 5 basic steps to help you do the job successfully.
When you set out to paint concrete the process.
Scrub the entire wall briskly with a dry stiff bristled scrub brush or a stiff wire brush.
Before you paint and after you seal your concrete you need to prime your wall.
If you properly paint a concrete block wall it will last for years with little upkeep.
How to prep walls for drylok.
Examine the walls.
Use a concrete primer which will help you get a smooth even surface that the paint can stick to.
Repair any cracks or blemishes in your wall with concrete patch.
Step 1 clean the wall.
Painting a concrete wall can change a gray canvas into a colorful statement.
Kilz is a great product to use for this step because it seals well and dries fast.
All it takes is time and some very careful preparation.
Thoroughly rinse the concrete surface with clean water using a hose with a high pressure nozzle or a pressure washer.
The surface is ready for priming when it feels like medium to light grit sandpaper and no residue or loose concrete remains.
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.
Remove dense areas of oil or grease with tri sodium phosphate tsp to ensure that the paint doesn t discolor later.
Clean the concrete surface with tsp.
Clean the concrete wall.
Patch gouged or otherwise damaged areas with concrete filler.
Preparing the concrete 1.
Watch our step by step video showing how to prepare an external wall for painting with expert advice and top tips to help you complete the job with confiden.
Regardless of the finish and whether the concrete has already been painted the cleaning procedure is very similar.
Select paint appropriate for your outdoor project.
Clean the concrete surface with soap and warm water removing any old paint.
Using a solution of trisodium phosphate tsp and warm water clean the.
For exterior projects use a power washer to rid the wall of all dirt and dust.
Choose paint for your project.