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How to clean chalk on a concrete wall.
Whether the wall is part of a building or a part of the landscape design.
Anything else will change how the stain comes out on the concrete.
I utilize kemiko stain products and they recommend cleaning with tsp.
How to clean an exterior concrete wall.
Chalk might seem simple to get rid of but that s not always the case according to marsha dennis who directs the graffiti abatement department for the city of portland ore.
With a little effort though you should be able to erase your child s doodles leaving a clean concrete surface.
Maybe the chalk lines will become obscured by progressive mottling and darkening of the surface.
An elderly guy in my neighborhood was unhappy with cracks that had to be repaired in a new driveway and in the end the contractor stained the entire driveway to obscure the repaired cracks.
With this homequicks post you will find 7 easy yet effective ways to clean a chalkboard every time.
My theory is if you can t kill the bull you best run the other way since the errant chalk line can t be removed i suggest adding more lines to create a design.
I don t think you would have a problem with the stain adhereing as much as seeing the lines of the chalk after staining.
Refrain from purchasing expensive cleaning products and instead wipe a chalkboard clean with a solution made from products that are available at hand.