Simply cover them with at least two coats of your finish paint.
Painting concrete block garage walls.
Apply the paint to the concrete block with an airless sprayer and then immediately back roll it working in sections along the length of your wall.
A suitable spray pattern is the 15 degree tip held 12 inches from the surface.
You ve now completed painting a concrete block wall and there s nothing left to do but sit back relax and admire your handy work.
Apply paint to the cinder block garage just as you did the primer.
Wait two hours for the painted cinder block to dry.
Paint the interior walls of concrete block basements to protect against moisture.
Any remaining loose paint will need to be removed manually.
Painting a concrete wall can spruce up an area or make it blend in with the rest of the area s décor.
You must choose the appropriate type of concrete paint determine if the wall is sealed from moisture and apply primer prior to painting the wall.
Use an acrylic latex paint if you are painting exterior cinder block.
During the preparation pay attention to any loose mortar and large cracks.
Whether the surface is in a basement or above ground cinder block is as easy to paint as drywall once the surface has been sealed and primed to keep moisture out.
Scraper optional you can paint interior cinder block walls.
However there are some things to consider when painting a concrete wall.
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.
The first step when preparing concrete block walls is pressure washing.
The key to a successful cinder block paint job is applying proper sealant and primer.
Concrete and cinder block walls don t require priming.