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