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-   -   "Plumbers Box" (http://www.diychatroom.com/f7/plumbers-box-18947/)

jelly 03-24-2008 09:50 PM

"Plumbers Box"
 
I have a challange with the new bathroom I put upstairs. Directly below the upstairs toilet is a window below on the first floor. In order to drop down with the 3" sewer line, I will first have to turn 90 degrees cut into a 2x8 floor joist and go down in the next bay. My uncle said that I need to build "plumbers box" in order to support the joist that will have a 3" hole in it. He didn't know exactly how to do it, I googled "plumbers box" but could not find a diagram or information on how to support the joist.

Your thoughts/ideas are appreciated. Thanks and Regards

Ron The Plumber 03-24-2008 10:08 PM

It's called header out the joist to allow plumbing to fit.

jelly 03-24-2008 10:16 PM

Is this the idea?
http://daveosborne.com/newsletters/i...airopening.gif

Ron The Plumber 03-24-2008 10:17 PM

Thats it.

jelly 03-24-2008 10:26 PM

Thanks Ron!

Also found this diagram, do you recommend double headers AND double joists?

http://www.sweethaven02.com/BldgConst/en5112a0082.gif

CHEERS http://www.panicfreaks.org/images/emoticons/cheers.gif

Ron The Plumber 03-24-2008 10:44 PM

I leave that up to the builder to decide.

amakarevic 03-25-2008 04:07 PM

i wonder if this building form is applicable vertically as well as horizontally ?

i would like to build something like this to enable a loop vent where the fixture is two studs away from the drain inlet that goes into the concrete slab.


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