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MidnightAnchor t1_iulvd0x wrote

Is your foundation waterproofing good? How is the pitch heading away from it?

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victor0nl1n3 OP t1_iulw9c5 wrote

Hi! Thanks for your answer.

It's an old house and we don't know much about its foundation.

If the waterproofing wasn't good, wouldn't we have issues on exterior walls too? We would expect rising damp wouldn't we?

Maybe for some reason, water can get under the house and the waterproofing has a leak where we are seeing the humidity issue. How could we test this hypothesis? And what would be a solution?

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progodyssey t1_iuot9ae wrote

90% of the time, give or take, water issues in walls stem from poor drainage around the house. I'd bet my mortgage that is your problem: The water in your yard drains towards your house.

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Manage-It t1_iuzkyts wrote

Listen to shat progodyssey says. In addition, inspect your neighbors' run-off as well. I've seen residents in neighborhoods with old homes, built right next to each other, angle their gutter drains and run off into the next-door neighbor's property. Keep in mind, the current residents may not know their gutters are running into your property. It could have been that way for many years.

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