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Letter 40049
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You can do a couple of things. First, you can purchase a Phosphoric Acid Cleaner [link is to product info at Amazon] for masonry/mortar clean up, or second, make a mix of 10% hydrochloric acid with water and spray or sponge over affected surface. Clean with fresh water. This will dissolve the film. Good luck.
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Barry Feinman |
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Hi use surclean or vinegar, and a lot of elbow grease!!! go easy on the stronger acids, they will also take off tile glazings, patterns etc. have fun.
Chris Foltz
- Middle River, MD, USA
hey there chris.........
I'd like to thank u for your advice..... i used vinegar on the cement
coating.... left it there for an hour or so.... after that, i
scrubbed it hard with a regular utensil-scrubber.... and YES it
actually worked! that small area where i applied the vinegar is now
completely clean!!! i used regular cooking vinegar for the
purpose.....
Parth Mistry
- Mumbai, India.
October 8, 2008
I have just had ceramic tile flooring removed and replaced with wood. There is quite a dense coating of cement dust left on my cloth and wooden furnishings - what is the safest way to remove it without damaging especially the wood?
Jackie Gentile
- Hernando, FL, USA
Thank you very much I followed the HCl tip and it worked great. You spared me a lot of money, I was going to change ceramics of my bathroom, I changed my mind after the stunning cleaning effect of HCl on the ceramics
Gihan Taha
- Cairo, Egypt
Hi, Gihan. Congratulations on your success. But other readers must be warned that HCl can be a real problem if you don't watch what you are doing. HCl is not actually a liquid, it's a gas that is dissolved in water. As you slosh it around, the gas drifts away and attacks chrome, stainless steel, and electrical wiring.
Besides the need for personnel protection equipment, you need great ventilation and great care to not ruin things.
Regards,
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Ted Mooney finishing.com Brick, New Jersey |

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