Gutting an 8' x 8' bath that had the tub on the left, the toilet and
sink on the right with the house drain, and a length of lead drainpipe
connecting them, across the joists. Needless to say, they did a bit of
floor joist cutting, and used the flexibility of the lead drain to move
the pipe around a bit.
Well, I'm taking out the lead, and replacing it with PVC which is
ridgid, and I'll probably have to make some new cuts. The pipe will
run about 6 ft (possibly fewer), and with a 1/4 in/ft slope that's a
1-1/2 in drop from just under the floor at the tub.
Are there any ways to brace these joists? Steel straps, perhaps?
Any help will be appreciated.
that's a tough situation. what depth are the joists and what is the
span? by cuts do you mean notches or holes through the center? holes
are better than notches. i believe codes say you can cut away only 1/6
of joist depth if notching but you can drill a hole 1/3 of joist depth
in the center of a joist. if your joists are oversized for the span,
you would have some leeway, but if they are close to their limit, you
are in a tight spot. is sistering on a second joist and drilling holes
through it a possibility? haven't heard of using steel straps...they'd
have to be on the tension (underside) of the joists, and i doubt i'd
fly with an inspector, if you are getting inspected, that is.
House was built just after 1900, and the 2x4's are actually 2x4. I
wasn't clear enough about the gutting: the subfloor is gone, and the
joists are exposed from the top. The cutting has been done on this top
side and down, mostly notches.
Sistering, either steel plates or wood seems to be the way to go.
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