Examine the walls.
Prep concrete block wall for paint.
How to prep walls for drylok.
Paint your concrete walls with masonry paint.
Patch gouged or otherwise damaged areas with concrete filler.
Apply paint with a sprayer roller or brush in even strokes.
The first step when preparing concrete block walls is pressure washing.
Choose paint for your project.
You will need a paint that is.
Select paint appropriate for your outdoor project.
Make sure to prime all mortar as well.
Clean the concrete surface with tsp.
Apply two healthy coats with a 1 2 in.
Repair any cracks or blemishes in your wall with concrete patch.
Waterproof doesn t mean this is a solution to serious water problems in your basement.
Use a commercial style pressure washer and at least 2500 psi.
According to reliable builder masonry paint is specifically designed for good adhesion durability and breathability.
Any remaining loose paint will need to be removed manually.
The surface is ready for priming when it feels like medium to light grit sandpaper and no residue or loose concrete remains.
It s made to work on a range of masonry walls concrete block stucco or brick.
For exterior projects use a power washer to rid the wall of all dirt and dust.
All it takes is time and some very careful preparation.
The texture will determine the amount of primer and paint needed.
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.
Typically you can cover about 200 square feet per gallon of block fill primer on a smooth face and about half that amount on split face.
Scrub the entire wall briskly with a dry stiff bristled scrub brush or a stiff wire brush.
When you set out to paint concrete the process.
A suitable spray pattern is the 15 degree tip held 12 inches from the surface.
Clean the concrete wall.
Paint should be about 1 8 inch thick to ensure waterproofing.
Excess residue may interfere with adhesion of the coating.
Thoroughly rinse the concrete surface with clean water using a hose with a high pressure nozzle or a pressure washer.
During the preparation pay attention to any loose mortar and large cracks.