Prep Concrete Block Wall Painting

Clean the concrete wall.

Prep concrete block wall painting.

It can take your concrete walls from gray to grand with a quick drying coat. If you properly paint a concrete block wall it will last for years with little upkeep. Patch gouged or otherwise damaged areas with concrete filler. There are two basic types of finish on concrete block smooth and split face.

Step 1 clean the wall. Paint the interior walls of concrete block basements to protect against moisture. For exterior projects use a power washer to rid the wall of all dirt and dust. Tape off the ground or other surfaces surrounding the block wall along the base and edges of the wall so paint doesn t drip onto them.

All it takes is time and some very careful preparation. Paint the entire wall with a thin coat of a concrete sealer or. Select paint appropriate for your outdoor project. Use behr premium concrete and masonry bonding primer to improve the adhesion of paints and stains by binding together loose particles.

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. Painting your concrete basement walls not only helps protect your basement against mold water bacteria and mildew but also adds to the look of your basement especially if you use it as a work or rec room. You will need a paint that is. A suitable spray pattern is the 15 degree tip held 12 inches from the surface.

Scrub the entire wall briskly with a dry stiff bristled scrub brush or a stiff wire brush. You can use a regular garden hose to spray down the blocks and then scrub with a brush to remove dirt. Use a commercial style pressure washer and at least 2500 psi. The first step when preparing concrete block walls is pressure washing.

When you set out to paint concrete the process. Proper painting of these walls requires the removal of any water and mildew before beginning as well as patching the walls to prevent to growth of mold. Examine the walls. Step 2 apply the bonding primer using a high quality pump sprayer 1 4 to 3 8 nap roller a nylon polyester brush or pad applicator.

Using a solution of trisodium phosphate tsp and warm water clean the. Here are 5 basic steps to help you do the job successfully. Repair any cracks or blemishes in your wall with concrete patch. Regardless of the finish and whether the concrete has already been painted the cleaning procedure is very similar.

Choose paint for your project. Wash the blocks with a pressure washer or hose and scrub brush. A plain gray cinder block wall can be a wide expanse of bland. Adding a smooth coat of seal krete damplock masonry and waterproofing paint can raise the visual appeal of the uninspired space.

Any remaining loose paint will need to be removed manually. Clean the concrete surface with tsp.