What is going on here?

BigJim

Any friend of Mike's is a friend of mine. I just had another thought, do the joists break on top of the plate or does the wall hit in the middle of the joists? If the wall hits in the middle of the joists they could have crowned to the point that they are taking the pressure off the wall. I have seen joists crown after they dried and pulled the plate up like that. This may not be the case with yours though.

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Jim

Alan

Ok, I guess my description needs some clarification.


The wall pictured is not a load bearing wall. In effort to make the top plate level, I banged it up off the studs until it read perfectly (over a 3' level)

It does however intersect with a load bearing wall, and when level, the top plates on the two walls do not line up.

I will take a couple more pictures from a bit further back.

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Alan

Hope these help to clarify.

Attached Thumbnails

         

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oh'mike

That picture will help----It's not unusual for a nonbearing wall to be built with a gap at the top---especially when it's added after the original construction----

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Alan

The only thing I didn't do, is run a stringline from the exterior wall to the other wall with a string level to see if for some reason the studs in the middle of the interior wall are longer for some reason. The room is almost 12' wide, so I think a string is the easiest way to go for that. I guess I'll try that tomorrow.

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kwikfishron

Not sure why i thought this was in a basement.

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Alan

I may also take a wider picture of the floor if I can. I noticed underneath that someone has run a 2x4 flat across all of the T&G in this area, so perhaps the sagging is just the subfloor.

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oh'mike

The floor joists appear to be hung off of the tripled up 2x10s--I don't see any joist hangers----If I'm right---adding hangers before you finish off the area would be a good idea--

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Alan

Nah, those are just nailers for drywall, so i can run the panels parallel to the joists without destroying the joists. The joists are going the opposite way and both ends are sitting on top of the walls.

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