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Wow, I lucked out with your response!

Background: I recently bought this house which was built in the 1950s. It’s in relatively good shape inside, but the basement flooded within the past few years and the previous owner redid the basement walls and installed a sump pump.

We recently opened up the upstairs walls and haven’t see any signs of mold. So, my concern for mold is from a precautionary, new owner perspective.

From your response, it seems like I’m probably in good shape unless we start to experience symptoms or see any mold. Other than that, do you have any preventative tips or things to consider?

Boadee 1mo ago 💬 1

Oh yes. Currently it’s basically winter and relative humidity is low (unless you have a moisture source 😬).

So, if you test your indoor humidity and it is UNDER 50% you’re probably good to go until spring when humidity seasonally goes from low to high. That’s when you should consider a dehumidifier in your basement or crawlspace. Yes, you should get one. Yes I have recommendations (Aprilaire), 75-80 pints per day, depending.

Currently you should be good but make SURE your gutters and downspouts are working as designed and that rain runoff is channeled at least 10’ away from your foundation/basement/crawlspace.

I am thinking of going back to consulting this kind of work as I was pretty decent at it. We’ll see. Hope that helps

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Corban 1mo ago

This is super helpful, thank you!

We’re redoing the roof since it was in bad shape, and we’re definitely going to make sure the rain runoff is away from the foundation because I think that was a major factor in the basement flooding.

The dehumidifier recommendation is awesome, I’ll check it out. Thanks again!