Asked on Mar 18, 2018
How to remove dried cement splashes from aluminum siding and windows?
by
Jemark
+4
We were having a cement patio replaced and the concrete was too watery resulting in numerous splashes to the aluminum siding, wooden trim and windows. Is there a way to remove any of this dried material?
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Muriatic acid might do it
Wow, I would be making those idiots come back and clean up their mess.
Wow, I would be making those idiots come back and clean up their mess. Wet it down and scrub with a stiff brush or scrape it off with a plastic scraper. Rinse frequently.
Yes, call the contractor back! I would not have let him leave the premises before cleaning up their mess, nor would I have paid them in full until it was. That is how sloppy work is perpetuated, by people that are far too nice to say or do anything. You work hard for your money - you paid for a professional installation - you deserve one.
Pour some sugar in a small bowl and add enough water to make a thin paste. Dribble the sugar solution onto the concrete spatters, or use a rubber spatula to smear it on. Wait five minutes for the sugar to soften the concrete. Scrub the spatters with the scrubbing side of the sponge until they come free of the aluminum. If traces remain, apply some more paste and scrub again. Rinse well with water while rubbing the area with the soft side of the sponge to ensure that no sugar residue is left on the aluminum.
Being in the concrete buisness we used to use vinegar to get it off metal.