Refrain from purchasing expensive cleaning products and instead wipe a chalkboard clean with a solution made from products that are available at hand.
How to clean chalk on a concrete wall.
928 a contractor wants to know how to remove unwanted chalk lines from a concrete driveway.
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.
I don t think you would have a problem with the stain adhereing as much as seeing the lines of the chalk after staining.
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.
In a november 1997 problem clinic item p.
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Anything else will change how the stain comes out on the concrete.
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.
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.
Whether the wall is part of a building or a part of the landscape design.