Prep Concrete Block Wall Painting

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

Prep concrete block wall painting.

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. Using a solution of trisodium phosphate tsp and warm water clean the. Use behr premium concrete and masonry bonding primer to improve the adhesion of paints and stains by binding together loose particles. 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.

Scrub the entire wall briskly with a dry stiff bristled scrub brush or a stiff wire brush. Examine the walls. Select paint appropriate for your outdoor project. Regardless of the finish and whether the concrete has already been painted the cleaning procedure is very similar.

A plain gray cinder block wall can be a wide expanse of bland. 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. You can use a regular garden hose to spray down the blocks and then scrub with a brush to remove dirt. Patch gouged or otherwise damaged areas with concrete filler.

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. Adding a smooth coat of seal krete damplock masonry and waterproofing paint can raise the visual appeal of the uninspired space. 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. If you properly paint a concrete block wall it will last for years with little upkeep.

A suitable spray pattern is the 15 degree tip held 12 inches from the surface. Wash the blocks with a pressure washer or hose and scrub brush. Clean the concrete wall. Any remaining loose paint will need to be removed manually.

During the preparation pay attention to any loose mortar and large cracks. Step 1 clean the wall. Choose paint for your project. When you set out to paint concrete the process.

How to prep walls for drylok. Repair any cracks or blemishes in your wall with concrete patch. 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. There are two basic types of finish on concrete block smooth and split face.

Use a commercial style pressure washer and at least 2500 psi. All it takes is time and some very careful preparation. For exterior projects use a power washer to rid the wall of all dirt and dust. Paint the interior walls of concrete block basements to protect against moisture.

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