Comment on ballengerb1's post
They are legal here,checked lol.my vents do not pass the overhang of my roof they stop just UNDER fascia and soffit,and with a ninety degree 1 1/2,all venting 1 1/2 inch,and plumbing.thanx.and no can't get on roof safely here right now.
Comment on pghplumber's post
Also, if your house has a trap for the sewer, see if you can look inside for obstructions.
Comment on pghplumber's post
Yah one plumber told us that too.but we alao know that are vent stacks are a joke,so we going through everything in steps.thanx
Comment on ballengerb1's post
If you seen my vent stacks you would flip,they are very funky,and no doubt built wrong.going through things in tiny steps.thanx for your suggestion