Re: Roof vent pipes - tied together?
Posted by e-plumber on May 06, 2004 at 08:24:17:
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)

It should be alright to join the two pipes, you should hire a licensed plumber to confirm that you will not be overloading the rear stack vent. You may just need to increase the pipe size where the two are joined and penetrate the roof line with a larger pipe.

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