Re: vent pipe
Posted by Terry Love on March 26, 19101 at 11:36:53:
In response to Re: vent pipe

: Hi masters, I have added a 2nd floor onto my single story residential home and am planning on having
: a bathroom upstairs. I need to know how large a diameter pipe I need to use as a vent pipe to the roof
: and does it require a straight vertical run all the way from the main horizontal out the top.
: (The current location of the 1 1/2' galv. vertical pipe is in a bad location and I would like to make a
: 45 degree jog) Any thought you have is appreciated.


Randy,
If the 1.5" pipe is sufficient for the for the lower fixture, than using 45 bends is considered vertical.

You may have 1/3 the vertical distance as horizontal without going up a pipe size.

Bathrooms that include a toilet would need a 2" vent.



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