I live in a 115+ YO building and recently had my kitchen remodelled. During this the subfloor was replaced (old 1x6s in bad shape). I noticed a significant bow in the joists with the central steel beam being the high point. East side of beam is 12' span and low point is 1/2" from joist height at beam. West side span is 8' with a 1" low point. My assumption is that the 3-4 layer brick wall is settling causing this. My concern is that this action is transferring load from the brick to the central beam that could lead to failure. I bought my unit 2 years ago and prior to this a different section of beam failed and was repaired (new concrete/columns etc..). Should I be concerned that this may happen again? Is there anything that can be done within reasonable cost?

  • 2
    $\begingroup$ you need a local structural engineer to look at your building. It's possible it can be fixed reasonably, it's also possible it could cost $40,000 $\endgroup$
    – Tiger Guy
    Jan 4 at 19:04


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