Using the wrong paint will let moisture into the retaining walls which will cause extensive damage to the concrete.
How to paint concrete walls outside.
Sweep the area or wipe it down with a dry cloth depending on the orientation of the surface.
The most important aspect of painting retaining walls is choosing the right type of paint.
Primer dries in two hours.
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.
Now you re ready to start painting.
Furthermore painting concrete walls is a relatively simple process done in the same manner as painting interior walls.
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.
Brush paint onto the perimeter of the concrete.
Painting a concrete wall can spruce up an area or make it blend in with the rest of the area s décor.
Interior and exterior concrete surfaces do not have to remain a flat boring shade of gray.
Painting concrete is a simple and inexpensive task that can be completed by most homeowners.