Prep Concrete Wall For Painting

If you properly paint a concrete block wall it will last for years with little upkeep.

Prep concrete wall for painting.

You will need a paint that is. Kilz is a great product to use for this step because it seals well and dries fast. Examine the walls. When you set out to paint concrete the process.

Remove dense areas of oil or grease with tri sodium phosphate tsp to ensure that the paint doesn t discolor later. The surface is ready for priming when it feels like medium to light grit sandpaper and no residue or loose concrete remains. First sweep away any surface leaves. Prime the leftover raw paper with any type of priming paint to seal the raw paper.

Clean the concrete surface with tsp. Patch gouged or otherwise damaged areas with concrete filler. 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. Step 1 clean the wall.

But concrete is different from regular wall so specials tools and steps must be. Excess residue may interfere with adhesion of the coating. 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. All it takes is time and some very careful preparation.

Painting a concrete wall can change a gray canvas into a colorful statement. Repair any cracks or blemishes in your wall with concrete patch. Preparing the concrete 1. 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.

Using a solution of trisodium phosphate tsp and warm water clean the. Clean the concrete wall. For exterior projects use a power washer to rid the wall of all dirt and dust. Prepare the wall by picking away any loose edges of drywall facing paper.

Select paint appropriate for your outdoor project. Choose paint for your project. Scrub the entire wall briskly with a dry stiff bristled scrub brush or a stiff wire brush. Clean the concrete surface with soap and warm water removing any old paint.

There are two basic types of finish on concrete block smooth and split face. Thoroughly rinse the concrete surface with clean water using a hose with a high pressure nozzle or a pressure washer. Before you paint and after you seal your concrete you need to prime your wall. How to prep walls for drylok.

Apply concrete patch to fix any.