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