Re: Sagging Floors That Need to be Replaced. What to do?
If the floors are sagging toward the middle, the easiest and best thing to do is jack up the joists and sister new joists or ¼"steel plate (my preferred way). Sagging in the middle usually indicates that the joists where installed crown down or undersized in the first place. If undersized adding the additional weight of a new floor isn't going to help.
Last edited by JLMCDANIEL; 09-28-2009 at 12:00 AM.
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