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.
Painting concrete block walls outside.
The process of painting can be broken into 3 simple parts including cleaning priming and painting.
Step 5 painting concrete block.
Both interior and exterior block surfaces require the same attention to details.
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.
Make sure to apply 2 coats to achieve the highest durability.
Concrete primer called block primer fills pores and evens out the surface.
However there are some things to consider when painting a concrete wall.
Now you re ready to paint.
The best type of concrete paint for exterior walls is also elastomeric while 100 percent acrylic paint is a second best option.
Cinder blocks are a common building material that can be used on both the interior and exterior of a home.
Painting concrete block walls always starts with the removal of dust and dirt efflorescence and all loose or peeling paint.
Most cinder blocks come in a gray color but you can paint cinder blocks to match the color scheme of your home.
Painting a concrete wall can spruce up an area or make it blend in with the rest of the area s décor.