|Posted by Sylvan Tieger on May 06, 2004 at 16:52:20:|
|In response to Re: Roof vent pipes - tied together?|
: I'm re-roofing my 2 story house. I have a vent pipe thru both the front and back of my house - one for each system. Question: can I tee both pipes together so that I have only one pipe thru the roof on the back of my house. (This is purely for curb appeal)
Check local codes BUT normally YES you can have one 4" roof penetration.
You should also count the fixture units connected to the vent line your going to run on the horizontal and measure the developed length to make sure your with in the proper size of venting.
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