Take an 18 inch by 18 inch square of aluminum foil or thick plastic and tape down all four sides sealing the square to the concrete with tape.
Painting concrete patio walls.
Expect 1 gallon of acrylic latex porch paint to cover up to 400 square feet.
Clean the concrete thoroughly with trisodium phosphate tsp and warm water then let dry.
However there are some things to consider when painting a concrete wall.
It should maintain a pristine stylish appearance despite wet or humid conditions.
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.
Use patching compound to fill any holes scratches or gouges in the concrete surface.
Staining concrete is easy with simple steps from sherwin williams.
All concrete is porous and absorbs moisture but if your concrete patio contains too much moisture you won t be able to paint it until you correct the moisture content.
Painting a concrete wall can spruce up an area or make it blend in with the rest of the area s décor.
How to stain concrete.
The best concrete paint for patios will feature an enamel finish that resists mold and mildew growth.
Perhaps the simplest way to cover old painted concrete walls is to remove the original paint from the walls and repaint or stain them.