|Posted by carol and al on November 15, 2001 at 19:10:56:|
|In response to Re: Roof flange for vent|
If your shingles are old, they may tear when popping the nails off under the shingle below.
: :Thanks, I looked at the site you referenced. Whay did you think I would need extra shingles?
: : 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.
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