Prep Concrete Block Wall Painting

Here are 5 basic steps to help you do the job successfully.

Prep concrete block wall painting.

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. Wash the blocks with a pressure washer or hose and scrub brush. How to prep walls for drylok. Step 1 clean the wall.

Adding a smooth coat of seal krete damplock masonry and waterproofing paint can raise the visual appeal of the uninspired space. Paint the interior walls of concrete block basements to protect against moisture. Use behr premium concrete and masonry bonding primer to improve the adhesion of paints and stains by binding together loose particles. You will need a paint that is.

Patch gouged or otherwise damaged areas with concrete filler. Regardless of the finish and whether the concrete has already been painted the cleaning procedure is very similar. There are two basic types of finish on concrete block smooth and split face. 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.

When you set out to paint concrete the process. Using a solution of trisodium phosphate tsp and warm water clean the. During the preparation pay attention to any loose mortar and large cracks. 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.

The first step when preparing concrete block walls is pressure washing. You can use a regular garden hose to spray down the blocks and then scrub with a brush to remove dirt. A suitable spray pattern is the 15 degree tip held 12 inches from the surface. Paint the entire wall with a thin coat of a concrete sealer or.

Clean the concrete surface with tsp. A plain gray cinder block wall can be a wide expanse of bland. Scrub the entire wall briskly with a dry stiff bristled scrub brush or a stiff wire brush. 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.

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. Using a pressure washer on a mild pressure level of 1500 2000 psi will get the job done quickly but it s okay if you don t have access to one. For exterior projects use a power washer to rid the wall of all dirt and dust. Repair any cracks or blemishes in your wall with concrete patch.

Any remaining loose paint will need to be removed manually. Clean the concrete wall. Select paint appropriate for your outdoor project. Use a commercial style pressure washer and at least 2500 psi.

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