|Posted by carol and al on November 14, 2001 at 18:55:30:|
|In response to Re: Roof flange for vent|
it is easy to install. here is a diy, but for a new installation:
the flange acts a shingle in so many words. we used a plumb bob to mark the roof cut after we got the vent pipe into the attic. then we cut the penetration (oblong due to roof pitch). we cut a piece of our pvc pipe at the roof pitch angle and used it as the "oblong" template for the cut. wish i had a pic now for you. do you have extra shingles handy? i don't believe it is worrisome to think where the cut will occur re the shingle spacing.