Roof flange for vent
Posted by Dale Prestipino on November 14, 2001 at 14:32:45:
I recently installed a new bathroom, and need to run the 3" vent stack through the roof. I have a rubber flange that is supposed to be very easy to install, but I have never done this. Before I drill through my roof, is there any advise on doing this right? Such as, do I need to hit a certain spont in the shingle coarse so that I can slide the flange into it properly?

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