Prep Concrete Block Wall Painting

It can take your concrete walls from gray to grand with a quick drying coat.

Prep concrete block wall painting.

All it takes is time and some very careful preparation. Examine the walls. Clean the concrete surface with tsp. During the preparation pay attention to any loose mortar and large cracks.

When you set out to paint concrete the process. Patch gouged or otherwise damaged areas with concrete filler. Using a solution of trisodium phosphate tsp and warm water clean the. You will need a paint that is.

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. Any remaining loose paint will need to be removed manually. Select paint appropriate for your outdoor project.

Use a commercial style pressure washer and at least 2500 psi. Regardless of the finish and whether the concrete has already been painted the cleaning procedure is very similar. Paint the entire wall with a thin coat of a concrete sealer or. Repair any cracks or blemishes in your wall with concrete patch.

A suitable spray pattern is the 15 degree tip held 12 inches from the surface. 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. Paint the interior walls of concrete block basements to protect against moisture. The first step when preparing concrete block walls is pressure washing.

There are two basic types of finish on concrete block smooth and split face. 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. If you properly paint a concrete block wall it will last for years with little upkeep. For exterior projects use a power washer to rid the wall of all dirt and dust.

Adding a smooth coat of seal krete damplock masonry and waterproofing paint can raise the visual appeal of the uninspired space. Use behr premium concrete and masonry bonding primer to improve the adhesion of paints and stains by binding together loose particles. 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. Here are 5 basic steps to help you do the job successfully.

Scrub the entire wall briskly with a dry stiff bristled scrub brush or a stiff wire brush. Choose paint for your project. You can use a regular garden hose to spray down the blocks and then scrub with a brush to remove dirt. A plain gray cinder block wall can be a wide expanse of bland.

Step 1 clean the wall. Clean the concrete wall.