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Question DetailsAsked on 8/31/2013

how do I get rid of mold on my upstairs walls and ceilings.

I have mold or mildew on upstairs walls and ceilings. It also looks like everything that is wood has mold on it. I do not have this problem downstairs. I have the thermostat running the AC upstairs.

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2 Answers


What is your humidity reading. If it is high this is contributing to the problem. Mix white vinegar and water to wash down walls and ceiling. Yeah you quill smell pickled but the odor disappears. If this does not work try bleach and water. Bleach kills mold fast. Find your source. Provide ventilation.

Answered 6 years ago by BluButterfly


Sounds like your upstairs A/C feed is sending water through, or your entire house humidity is too high but the naturally warmer upstairs is warm enough you have reached that point where mold growth has ballooned. You need to be lookingfor a significant water source to have this sort of a problem.

You need a certified HVAC contractor to evaluate your system for where the moisture is coming from and why the A/C is not keeping it under control.

Then you also need cleaning to remove the mold - 50% water - laundry bleach mix works good, but will bleach wood surfaces. If you don't want to do it yourself, for a mold removal contractor Search the List (in green banner bar).

Answered 6 years ago by LCD

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