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wlentz102
Newer house, second floor creaking badly
wlentz102

I have a newer side-by-side condo, and the first floor is an open floor plan between the kitchen and living room. The second floor hallway goes right down the middle of the house right above the space, and the floor creaks something terrible. Before we recarpeted the second floor, I tried fastening the subfloor to the joists with 2 1/2" screws (or thereabout). It does not appear to have helped. My suspicion is that it's not the floor creaking; rather, it's the walls that are fastened to the second floor floor. It seems as though when we walk in the hallway, the floor flexes down, the wall stays put, and the fasteners squeak. Am I correct in this theory?

If I am correct, what would be the best way to remedy the situation? If I re-fasten the wall footer to the floor joists with screws, my concern is that the heads will pop off or worse, it will start pulling the wall down and cracking the drywall. Based on an ask-this-old-house episode that I saw recently, it kind of sounds as though the second floor joists are missing the blocking/bridging in that area.

Thanks!

dj1
Re: Newer house, second floor creaking badly
dj1

Quote: "It seems as though when we walk in the hallway, the floor flexes down, the wall stays put, and the fasteners squeak. "

This statements leads me to believe that there is something wrong with the joists in the hallway area.

Fixing a joist problem is a job for the skilled carpenter. I suggest you contact framers/general contractors for estimates.

Is the house still under warranty?

Sombreuil_mongrel
Re: Newer house, second floor creaking badly
Sombreuil_mongrel

If it's a problem with the floor joists deflecting, you can chase the symptoms with your screws all the way to the top plates of the wall. Because if you screw down the bottom plate, then it's coupled to the floor framing, but the studs are not, and the bottom stud nails will start to creak. Then the top stud nails, then the top plate nails. But that's just a symptom, it's the deflection-prone joist system that's allowing it to happen.
Casey

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