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Concrete and Cement

How do you clean stains on concrete?


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2016-10-10 03:05:05
2016-10-10 03:05:05

OK, that is stamped concrete. things you don't want to use are a pressure washer. It will blow the release color off the concrete and destroy the area you are trying to save. first you will want to remove any sealer on the the affected area, you can do this with xylene (you can get it right at home depot) this won't hurt the concrete or the color, and will re liquify the sealer (if it is a topical sealer) once you have use the xylene clean the area with denatured alchohol to remove any residule sealer, once you have done that scrub with a non caustic cleaner such as simple green. if the stain still remains your best option is to contact somone experienced in concrete and have them remove the small stained area and replace it. I did stamped concrete for years so i know what i am doing with this. if i saw this i would do the things i said and if it didn't ome clean i would use a grinder to remove the small section that is orange and then repour it using a high psi mix hand tinted (id mix and pour samples at home first to verify the correct color to concrete ratio) and then just use a small edge stamp to redo the texture.

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Salt does not stain you probably have calcium stains. This can be cleaned with a solution of muriatic or hydrochloric acid. try a test piece first and be careful for your eyes.


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