Hello!
Just bought a new house and started tearing down a bit and found this. What type of mold do you think it is? Feels very "foam-like," almost like soft expansion foam.
 
  • Wooden wall with peeling layers and white, foam-like mold growth discovered during renovation of an old house.
  • White, foamy mold-like growth on exposed wooden beams in an attic space, resembling soft foam sealant.
  • Fungal growth resembling mold with a foamy texture found behind a wooden wall during renovation.
Åsa Lund
Does it smell like champignon?
It looks like dry rot, especially the last picture.
 
Åsa Lund
Wondering if it's an old attack of dry rot that has been partially remediated and addressed? There are old boards with fungal mycelium on them and then new timber right next to it.
Is there moisture somewhere in the construction?
Google dry rot and compare the images with your house.
 
Yes, they have been there before and tried to patch it up a bit before. What do you mean by submerged somewhere in the construction? Nothing feels damp today so it should be an old damage that hasn't been addressed 100 percent.
 
Åsa Lund
That which is decayed should be removed, especially important if it involves load-bearing parts. I would not want compromised timber in my house. The old fungus infestation was probably due to the pipes in the wall leaking, they look partially replaced.
 
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BirgitS
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I will remove as much as possible. I read something about treating with Bora-something. What do you think about it?
 
Åsa Lund
Boracol
Probably doesn't remove what is already there?
Possibly preventive against new fungus.
Actually don't remember
The most important thing for the future is to ensure that the conditions for the fungus do not arise again. That is, no new water damage
 
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Nicklas Särnblom
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