Prep Concrete Wall For Painting

Regardless of the finish and whether the concrete has already been painted the cleaning procedure is very similar.

Prep concrete wall for painting.

Clean the concrete wall. Kilz is a great product to use for this step because it seals well and dries fast. If you properly paint a concrete block wall it will last for years with little upkeep. Thoroughly rinse the concrete surface with clean water using a hose with a high pressure nozzle or a pressure washer.

Clean the concrete surface with soap and warm water removing any old paint. Before you paint and after you seal your concrete you need to prime your wall. Select paint appropriate for your outdoor project. When you set out to paint concrete the process.

Prime the leftover raw paper with any type of priming paint to seal the raw paper. How to prep walls for drylok. Scrub the entire wall briskly with a dry stiff bristled scrub brush or a stiff wire brush. 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. 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. There are two basic types of finish on concrete block smooth and split face. All it takes is time and some very careful preparation.

Painting a concrete wall can change a gray canvas into a colorful statement. Patch gouged or otherwise damaged areas with concrete filler. Repair any cracks or blemishes in your wall with concrete patch. For exterior projects use a power washer to rid the wall of all dirt and dust.

Preparing the concrete 1. The surface is ready for priming when it feels like medium to light grit sandpaper and no residue or loose concrete remains. Apply concrete patch to fix any. You will need a paint that is.

Choose paint for your project. 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. Here are 5 basic steps to help you do the job successfully. Clean the concrete surface with tsp.

Prepare the wall by picking away any loose edges of drywall facing paper. Examine the walls. But concrete is different from regular wall so specials tools and steps must be. Use a concrete primer which will help you get a smooth even surface that the paint can stick to.

Step 1 clean the wall.