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