Prep Concrete Block Wall Painting

Select paint appropriate for your outdoor project.

Prep concrete block wall painting.

The first step when preparing concrete block walls is pressure washing. If you properly paint a concrete block wall it will last for years with little upkeep. It can take your concrete walls from gray to grand with a quick drying coat. Scrub the entire wall briskly with a dry stiff bristled scrub brush or a stiff wire brush.

Examine the walls. Regardless of the finish and whether the concrete has already been painted the cleaning procedure is very similar. A suitable spray pattern is the 15 degree tip held 12 inches from the surface. For exterior projects use a power washer to rid the wall of all dirt and dust.

You can use a regular garden hose to spray down the blocks and then scrub with a brush to remove dirt. Step 1 clean the wall. 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. 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.

Patch gouged or otherwise damaged areas with concrete filler. How to prep walls for drylok. Any remaining loose paint will need to be removed manually. Paint the interior walls of concrete block basements to protect against moisture.

Adding a smooth coat of seal krete damplock masonry and waterproofing paint can raise the visual appeal of the uninspired space. Repair any cracks or blemishes in your wall with concrete patch. During the preparation pay attention to any loose mortar and large cracks. A plain gray cinder block wall can be a wide expanse of bland.

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. Using a solution of trisodium phosphate tsp and warm water clean the. All it takes is time and some very careful preparation. There are two basic types of finish on concrete block smooth and split face.

When you set out to paint concrete the process. 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. 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. Clean the concrete wall.

Clean the concrete surface with tsp. 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. Paint the entire wall with a thin coat of a concrete sealer or.

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. Choose paint for your project.