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.

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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