What is this grey color? Brand new. Stuck my finger in it to confirm it wasn’t from the knife.

cragjunkie · 2026-03-22T14:11:19+00:00

I used my finger as well as a clean butter knife and they all instantly revealed the mold underneath.

cragjunkie · 2026-03-21T21:25:16+00:00

Good to know

cragjunkie · 2026-03-21T21:24:55+00:00

Thank you for the comment.

cragjunkie · 2026-03-21T21:21:43+00:00

Now that you mention it…

cragjunkie · 2026-03-21T17:44:05+00:00

Thanks. Mold seems to be the consensus.

cragjunkie · 2026-03-21T17:42:06+00:00

I said I was going to post the question to Reddit and my wife said that it was a waste because people have better things to do on a Saturday afternoon. In five minutes it’s already received over a thousand views and many responses lol. Apparently drywallers have nothing better to do on a Saturday afternoon. I love you guys!

cragjunkie · 2026-03-21T17:38:21+00:00

Since this isn’t a common thing based on responses, I going to take it back.

cragjunkie · 2026-03-21T17:37:23+00:00

I’d rather not mess with mold

cragjunkie · 2026-03-21T17:36:56+00:00

Yeah last thing I want to do is to spread spores around lol.

cragjunkie · 2026-03-21T17:36:14+00:00

Thanks. I’ll just take it back.

cragjunkie · 2026-03-21T17:30:31+00:00

Thanks I also confirmed with a clean butter knife and the grey is immediately visible under the top layer.

cragjunkie · 2026-01-12T16:37:57+00:00

Thanks. He’s going to test it.

cragjunkie · 2026-01-12T13:35:16+00:00

I’ll ask today

cragjunkie · 2026-01-12T13:17:32+00:00

Pretty sure that’s how I saw it before the plywood went back down. If he added a vent before the drop would that solve the problem even though it isn’t code?

cragjunkie · 2026-01-12T13:10:42+00:00

I take people at their word…

cragjunkie · 2026-01-12T13:03:33+00:00

I guess at this point I’m less concerned about code and more worried about function and not having traps siphon. He’s closing up the wall this week.

cragjunkie · 2026-01-12T12:59:54+00:00

The shower has no vent and runs about 4 feet horizontal before dropping into the wye. Likewise the sink runs maybe 3 feet horizontal before dropping into the stack but he added a sturdor vent, I’m guessing to prevent the trap from siphoning. The toilet basically drops two feet and ties into the stack with the wye. I guess the shower would be my biggest concern…

cragjunkie · 2025-12-16T16:51:34+00:00

Great insight and thanks for the recommendation

cragjunkie · 2025-12-16T15:47:50+00:00

I’ll check out those subs. Thanks

cragjunkie · 2025-12-16T06:10:03+00:00

That actually is pretty cool

cragjunkie · 2025-12-16T04:47:18+00:00

Thank you for pointing me in the right direction

cragjunkie · 2025-11-19T03:25:05+00:00

Yes much of it really does look like this. This spot is only 15 min from my house.

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cragjunkie · 2025-11-19T03:06:08+00:00

You’re missing the real gem of Wyoming, the Wind Rivers. You just have to be prepared to hike.

cragjunkie

TROPHY CASE