Use patching compound to fill any holes scratches or gouges in the concrete surface.
Painting outdoor concrete block wall.
Allow sealant to dry between coats.
The interior exterior self priming alkali and mildew resistant finish also provides excellent adhesion coverage and water repellency and color retention.
Step 1 clean the wall.
Here are 5 basic steps to help you do the job successfully.
Like the first coat you ll want this to be as even as possible.
The paint may be sprayed on rolled on or painted on with a brush.
Work slowly taking a little bit of paint on the roller at a time and applying in long smooth strokes.
The pressure washer can remove most if not all of the loose paint.
Tape off the ground or other surfaces surrounding the block wall along the base and edges of the wall so paint doesn t drip onto.
Paint should be applied in at least 3 thin layers.
Clean the concrete thoroughly with trisodium phosphate tsp and warm water then let dry.
Start washing at the top and work your way down the concrete block wall.
For hard to reach or tight places you can use a brush but your brush strokes may be visible on smooth cinder blocks.
Paint your wall with concrete paint.
Work in a horizontal back and forth pattern.
Repeat the same method above to paint the concrete floor.
Multiple coats are necessary.
Allow to dry for 24 hours.
There are two basic types of finish on concrete block smooth and split face.
Ideal for use on properly prepared interior exterior vertical surfaces such as.
If you properly paint a concrete block wall it will last for years with little upkeep.
Kilz one part epoxy acrylic concrete paint best concrete paint for outdoors this is a heavy duty epoxy solution that utterly seals off your indoor and outdoor concrete surfaces from anything and everything that might stain or damage it.
Mild pressure 1500 2000 psi is all that is needed.
Using a paint roller apply the sealant across the concrete floor.
Previously painted most of the prep work involves removing all loose or peeling paint and fully evaluating the condition of the block.
Using a paint brush apply sealant to the floor edges.
Stucco masonry and concrete concrete block and brick as well as adjacent wood and metal.
Spread a drop cloth on the ground in front of the cinder block wall.
The paint should not be streaky or show brush strokes.