this post was submitted on 14 Mar 2025
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Explain Like I'm Five

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Is it bad if my apartment doesn't get any drafts in it? I want to block the front door gap, but my dad got mad and said this would cause mold issues.

How and why? I mean I don't live there so why would it become humid?

It's not really an option to keep it open cause I'm allergic to some of the stuff that comes in from the neighbours

Follow up question: is it true that turning the bathroom fan on won't do anything, if there isn't somewhere outside the apartment that air can be drawn from?

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[–] tiramichu@lemm.ee 2 points 1 day ago (3 children)

I don't understand what you mean when you say you "don't live there" ?

Regardless, if you consider mold in general then the room which most typically gets mild growing is the bathroom, because it's moist and warm which is perfect condition.

It doesn't take much to get mild growing in other places too though. If you have moisture in the air then mould could happen.

Good ventilation helps prevent mould because it lets the humid air created from normal activities like cooking and washing escape and be replaced with drier air from outside - assuming you live in a climate that doesn't have crazy humidity.

[–] jlyndby@lemmy.world 2 points 1 day ago (2 children)

As in, I don't live in the apartment, I'm living somewhere else currently. So, nobody uses any water, does any laundry, cooks etc. there.

So I don't understand how it could become humid inside my apartment.

[–] tiramichu@lemm.ee 1 points 1 day ago (1 children)

Fair :) But on that basis why are you wanting to block things off if neither you nor anyone else is living there?

[–] jlyndby@lemmy.world 2 points 1 day ago

That wasn't my question