this post was submitted on 02 May 2024
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Home Improvement

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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] 12 points 6 months ago (4 children)

We had the roof replaced two years ago. I believe they redid all the flashing at that point. So there's a chance this could be old? If the leak is resolved, which I'll verify, do we have to do anything to the wood or are we good?

[–] [email protected] 25 points 6 months ago* (last edited 6 months ago) (1 children)

They probably fucked up the flashing. Roofers and siders fuck up all the time. If it’s truly an old leak that’s been fixed, you have nothing to worry about. Go up there and observe during the next strong rain. Edit: grab a house key or a screwdriver, stick into the wood. Does it penetrate really easy? Then you’re fucked. Else you’re fine, as long as the leak isn’t active.

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

I mean I could just spray a hose up there, couldn't I?

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

Yes, but it’d help if someone else observed and recorded to really nail down what’s happening.

I had water penetrating the house after the siders fucked up. Took opening the ceiling and recording the penetration to really understand what the idiots did wrong.

[–] [email protected] 8 points 6 months ago

It looks in the image like there might be some fungus. To me that's a sign that it's worthwhile to get someone professional to at least give it a look in person.

[–] [email protected] 5 points 6 months ago

I'd call in a separate roofer for an opinion. There are some large gaps in your sheathing where you can see the weather wrap through, and boards that have obvious signs of water damage they left in place. I would want someone else to take a look at this and confirm it's done right.

[–] [email protected] 1 points 5 months ago

Might spray it with some antifungal just to reduce chance of mold forming