DIY Home Improvement, Remodeling & Repair Forum > DIY Home Improvement > Framing and Foundation > Sagging 2nd Story Floor After Main Floor Load-Bearing Wall Altered Below




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Old 01-27-2012, 06:38 PM  
Mightygiving
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Ever111, I am saying that both sides of the beam location would have to have been equally supported assuming that there was no preexisting deflection of the story above and it were level, bracing those two sides of the second story floor joists would have sufficed. However, If there was already sag in the second floor and only one side of the beam (say the far joist run were supported, the top plate left behind would not have provided sufficient support to the near side joist run which bears upon the removed bearing wall, prior to the installation of the beam and would have allowed for additional sagging of the near side floor joists during the wall demo and subsequent header beam installation. In other words, both sides of the beam would have had massive weight upon those temporary supports and would have compressed the texture on both sides of the bearing wall, IF properly supported at a level plain.

you say that there was material above the header beam, is there a visible gap between the beam and the top plate since you have removed some of the drywall above the header? how much of a gap is there?



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Old 01-29-2012, 10:03 PM  
nealtw
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Mightygiving: The old wall supported both floors as the floor joist from both room would have landed on the wall and that would not have changed and the sag of the floor upstairs showed up after the modification was done and we know the beam was to small, so the answer is "beam"



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Old 01-30-2012, 08:22 AM  
Mightygiving
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nealtw: You are correct regarding "beam" being to small and needing replaced, however the proper pre demo jacking & support of the joists is equally as important to assuring the beam is replacing the former wall at the floor level across all bearing points, which wasn't done during the remod and beam introduction.

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Old 01-30-2012, 04:40 PM  
nealtw
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The complaint was "floor sagging in center where wall was removed", that indicates to me a sagging beam. Let's give this contractor a break. If he, as you say installed to low, there would have been dammage to the drywall joint {ceiling to wall} on both sides of the beam.

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