You will need a paint that is.
Prep concrete block wall painting.
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.
You can use a regular garden hose to spray down the blocks and then scrub with a brush to remove dirt.
When you set out to paint concrete the process.
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.
Use a commercial style pressure washer and at least 2500 psi.
Adding a smooth coat of seal krete damplock masonry and waterproofing paint can raise the visual appeal of the uninspired space.
Any remaining loose paint will need to be removed manually.
How to prep walls for drylok.
It can take your concrete walls from gray to grand with a quick drying coat.
During the preparation pay attention to any loose mortar and large cracks.
Wash the blocks with a pressure washer or hose and scrub brush.
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.
Paint the interior walls of concrete block basements to protect against moisture.
Here are 5 basic steps to help you do the job successfully.
Clean the concrete 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.
Using a solution of trisodium phosphate tsp and warm water clean the.
For exterior projects use a power washer to rid the wall of all dirt and dust.
Use behr premium concrete and masonry bonding primer to improve the adhesion of paints and stains by binding together loose particles.
Choose paint for your project.
Examine the walls.
The first step when preparing concrete block walls is pressure washing.
Patch gouged or otherwise damaged areas with concrete filler.
Scrub the entire wall briskly with a dry stiff bristled scrub brush or a stiff wire brush.
Repair any cracks or blemishes in your wall with concrete patch.
If you properly paint a concrete block wall it will last for years with little upkeep.
All it takes is time and some very careful preparation.
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.
Paint the entire wall with a thin coat of a concrete sealer or.
A plain gray cinder block wall can be a wide expanse of bland.
Select paint appropriate for your outdoor project.
There are two basic types of finish on concrete block smooth and split face.
Clean the concrete surface with tsp.
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.
