Painting Concrete Block Walls Exterior

There are two basic types of finish on concrete block smooth and split face.

Painting concrete block walls exterior.

Regardless of the finish and whether the. For exterior foundations and walls use exterior grade block filler such as behr s concrete and masonry bonding primer which also is good for interior concrete 17 98 per gallon. Any gas pressure washer will work. For hard to reach or tight places you can use a brush but your brush strokes may be visible on smooth cinder blocks.

Moving gravel away from the wall. Pressure washing a block wall. Painting concrete block walls always starts with the removal of dust and dirt efflorescence and all loose or peeling paint. Preparing the concrete block for painting.

Select paint appropriate for your outdoor project. Exterior block surfaces can be either but interior block surfaces are always smooth. Wait at least eight hours but no more than 30 days to paint. Paint the entire wall with a thin coat of a concrete sealer or concrete primer.

You will need a paint that is. Primer dries in two hours. 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. Step 5 painting concrete.

Step 2 repair the mortar. Step 4 caulk and seal. Apply an even coat with a wide paintbrush. Step 3 prime the block wall.

Like the first coat you ll want this to be as even as possible. Choose paint for your project. Step number two is pressure washing. Paint a concrete block wall in 5 steps.

Count on split face block needing twice as muck primer and paint when compared to smooth block. Step by step process of spray painting a concrete block wall. Repair any cracks or blemishes in your wall with concrete patch. Step 1 clean the wall.

Allow it to dry for four hours or for the time indicated on the sealer. For exterior projects use a power washer to rid the wall of all dirt and dust.