Moving a sewer vent


  #1  
Old 04-24-08, 08:52 AM
A
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Question Moving a sewer vent

I need to move a sewer vent about 2 feet on a roof with a cathedral ceiling underneath it. I was planning to:

1) cut a 2' x1' hole in the roof

2) move the vent

3) screw plywood tabs into the decking from underneath

4) screw the 2' x 1' piece of ply onto the tabs (plus a piece to fill the original vent hole)

5) flash the vent

6) re-shingle the patch of roof

Does that sound about right? Are there any common snags I should look out for?

Many thanks!

Andrew
 
  #2  
Old 04-24-08, 05:04 PM
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Patching with tabs is fine for drywall and such, but not for roofing. The day will come when someone walks on that spot and goes through the roof/ceiling - and into their attorney's office. Adjust your patch size so that you can attach it to the rafters and blocking between the rafters.
 
 

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