Wait at least eight hours but no more than 30 days to paint.
Painting concrete block walls exterior.
Choose paint for your project.
Step 1 clean the wall.
Count on split face block needing twice as muck primer and paint when compared to smooth block.
Primer dries in two hours.
Step number two is pressure washing.
Pressure washing a block wall.
Step 4 caulk and seal.
Painting concrete block walls always starts with the removal of dust and dirt efflorescence and all loose or peeling paint.
Like the first coat you ll want this to be as even as possible.
Step by step process of spray painting a concrete block wall.
Preparing the concrete block for painting.
Step 5 painting concrete.
Moving gravel away from the wall.
First step in preparing block wall for spray painting is to move any gravel away.
Allow it to dry for four hours or for the time indicated on the sealer.
Repair any cracks or blemishes in your wall with concrete patch.
Exterior block surfaces can be either but interior block surfaces are always smooth.
You will need a paint that is.
Apply an even coat with a wide paintbrush.
Paint a concrete block wall in 5 steps.
Step 3 prime the 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.
Select paint appropriate for your outdoor project.
Regardless of the finish and whether the.
Work slowly taking a little bit of paint on the roller at a time and applying in long smooth strokes.
Clean the concrete wall.
If you re thinking about painting a concrete block wall you should realize that moisture could be a problem and of course moisture will allow paint to separate eventually from whatever you have.
Any gas pressure washer will work.
Step 2 repair the mortar.
There are two basic types of finish on concrete block smooth and split face.