25 Jun '13, 9am

Plumber over-notched the joist. Plywood repair? #green

Plumber over-notched the joist. Plywood repair? #green

I have an 100 year old house, we wanted to put in a 2 piece bath. However, the area where it was to be installed needed joist repair; it had to be sistered with 2 x 10's at the full width. That went all fine; including headering off a boxed area for the plumbing and drain. I knew the stack was likely going to get drilled out through one of the nearby joist to bring it up through the wall. I don't know what but apparently the plumber went way high on the initial 2 3/4" inch (approx) hole and put the top within 3/4" of an inch of the top of the joist. Then later realized, he was too high and made the notch bigger notch below it. Can this be resupported with an 3/4" plywood gusset on either side of the space? The over-notching occurred on the sistered joists (one of which in an extra 1/2" in width & height as its the original joist). If so, would it be acceptable to fasten to...

Full article: http://www.greenbuildingadvisor.com/community/forum/build...

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