Step 1 clean the wall.
Prep concrete block wall painting.
Regardless of the finish and whether the concrete has already been painted the cleaning procedure is very similar.
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.
Examine the walls.
You will need a paint that is.
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.
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.
Adding a smooth coat of seal krete damplock masonry and waterproofing paint can raise the visual appeal of the uninspired space.
How to prep walls for drylok.
If you properly paint a concrete block wall it will last for years with little upkeep.
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.
When you set out to paint concrete the process.
For exterior projects use a power washer to rid the wall of all dirt and dust.
Clean the concrete surface with tsp.
A plain gray cinder block wall can be a wide expanse of bland.
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.
Any remaining loose paint will need to be removed manually.
Paint the interior walls of concrete block basements to protect against moisture.
The first step when preparing concrete block walls is pressure washing.
It can take your concrete walls from gray to grand with a quick drying coat.
Clean the concrete wall.
Select paint appropriate for your outdoor project.
Wash the blocks with a pressure washer or hose and scrub brush.
Here are 5 basic steps to help you do the job successfully.
Using a solution of trisodium phosphate tsp and warm water clean 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.
During the preparation pay attention to any loose mortar and large cracks.
All it takes is time and some very careful preparation.
Patch gouged or otherwise damaged areas with concrete filler.
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.
Repair any cracks or blemishes in your wall with concrete patch.
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.
