During the preparation pay attention to any loose mortar and large cracks.
Prep concrete block wall painting.
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.
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.
Patch gouged or otherwise damaged areas with concrete filler.
All it takes is time and some very careful preparation.
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.
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.
Regardless of the finish and whether the concrete has already been painted the cleaning procedure is very similar.
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.
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.
Repair any cracks or blemishes in your wall with concrete patch.
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.
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.
Clean the concrete surface with tsp.
There are two basic types of finish on concrete block smooth and split face.
Clean the concrete wall.
Select paint appropriate for your outdoor project.
Here are 5 basic steps to help you do the job successfully.
Paint the entire wall with a thin coat of a concrete sealer or.
The first step when preparing concrete block walls is pressure washing.
For exterior projects use a power washer to rid the wall of all dirt and dust.
Examine the walls.
When you set out to paint concrete the process.
Wash the blocks with a pressure washer or hose and scrub brush.
Choose paint for your project.
Paint the interior walls of concrete block basements to protect against moisture.
You can use a regular garden hose to spray down the blocks and then scrub with a brush to remove dirt.
Use a commercial style pressure washer and at least 2500 psi.
A plain gray cinder block wall can be a wide expanse of bland.
A suitable spray pattern is the 15 degree tip held 12 inches from the surface.
