Crayon On Concrete Or Brick? - Here's How To Remove It
If you've got crayon on concrete or brick, from a little child that didn't know that crayons are only supposed to be for paper, you are not alone.
I get asked all the time how to remove these crayon marks, from frantic parents.
The key thing about both concrete and brick that you need to understand is that both of these materials are porous, which means that crayon starts to get down in the little holes making it even more difficult to remove.
As soon as you see your budding artist has marked on either substance, go ahead and begin acting immediately, if possible, to more easily remove the marks and stains. The longer it sits the more difficult it will be to remove.
The best way to remove crayon on concrete and brick is to use a oil-based lubricant or cleaner. The two I most recommend are WD-40 and Goo Gone. Spray either of these onto the stained areas and then gently brush with a stiff brush.
The liquid will get down deeper into the pores, and the scrub brush will do a good job of scraping away all the loosened crayon.
A note of caution is that brick can sometimes be rather soft, especially if it is aging. Take care not to scrub so hard that you start to break the brick apart. If your brick is already crumbling this method won't work well for you, because of its fragile nature. You could try less harsh brushing, or scrubbing instead with a soft toothbrush to be gentler.
Once you have gotten most of the crayon off the brick or concrete spray the cleaner on again, and then wipe it away with a soft cloth. This will help remove the colored cleaner/crayon mixture that formed while scrubbing.
Sometimes, these cleaners will leave a film on the concrete or brick, because they are oil based. If this is a problem, make a solution of warm water and dishwashing liquid and gently scrub the surface with it, to help remove the residue.
I always recommend spot testing any cleaner you use on concrete or brick in an inconspicuous area before using it on your crayon marks, to make sure it will not harm or discolor your surface.
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CAUTION: This website is provided for informational purposes only. It is provided as is, without warranties or guarantees. Some stains and messes just won't come out, and are permanent. Further, some cleaning methods can harm your item, so if what you want to clean or launder is sentimental or expensive call a professional. See disclaimer of liability for more information.