sagging tile floor

[lisa c]

We recently moved in to a 20 yr old house having minimum maintenance during it’s life. The caulk in the tub in the second floor bath starting dropping off in strips. I recaulked the area. There are a few loose floor tiles (1″ size). After being away for 3 weeks the floor in the bathroom has a definite sag – covering a one foot square of floor surface. So…I figure that alot of “moisture” has probably rotted the subfloor? Perhaps the 3 weeks of no use did something? I am BROKE and I need help. What can I do to ascertain repair prior to calling someone to come in? Can I do anything? I am willing to try anything, but I have to hold the book open while I do it! Thanks!

[Doug Ellwood]

Hi Lisa, Its not really my expertise but you
probably have a couple options: 1. If this is
first floor of your home check basement for
accessiblity, if you can see the area from
underside, try to support area with plywood.
Verify that it is infact rot and not the floor
joists sagging.
2. Remove area of affected tiles inspect the wood
subfloor if rotten cut w/ circular saw on top of
joists and replace plywood, I don’t know if this helps I hope so. Good luck Doug

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