this post was submitted on 02 May 2024
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Is this discoloration a problem? (lemmy.world)
submitted 6 months ago by [email protected] to c/[email protected]
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Renovating the bathroom and found these dark patches in the joists and roof lumber surrounding the old vent pipe. The PVC part is new.

Anything bad here? Anything we need to address?

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[–] [email protected] 19 points 6 months ago (1 children)

I'm not a professional and not living in the US.

  1. Get a Wood Moisture Meter and check everything. If the wood contains more water than it should you have an ongoing problem and there is ongoing microbiological growth.
  2. Some of the Black / Dark parts look like fungus. (In Swedish "svartmögel" which is directly translated to "black mould"). That shit can cause allergies and worse shit.

All in all: get a professional to check this. I'm Sweden we have "building inspectors" that are experts in leakage and mold that checks this for you.

[–] [email protected] 9 points 6 months ago

Hejsan! Jag är amerikan men bodde jag i Sverige några år sedan. Tack så mycket för dina råd. Det kan var lättare i Sverige för sådana saker, tror jag.