[Woodworkers] Fwd: Re: Composite roof replacement

[parapower44 via Woodworkers]

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-------- Original message --------From: Joe Johns via Woodworkers <woodworkers at lists.sawdusters.org> Date: 1/22/17  9:07 AM  (GMT-06:00) To: A place where woodworkers talk about woodworking <woodworkers at lists.sawdusters.org> Subject: Re: [Woodworkers] Composite roof replacement 
On Sat, Jan 21, 2017 at 7:01 PM, Steve Bigelow via Woodworkers <woodworkers at lists.sawdusters.org> wrote:

Slightly off topic, but I just went up into the attic in my house and realized that the roof is desperately in need of replacement. Honestly, if I waited any longer, I'd have to start replacing the sheathing.
The question is, should I rip off the old and replace, or just roof over existing? Existing is about 15 years old and completely shot. It's the only layer on the roof.
​Well, speaking as a roofer and one who has done many roofs I can easily say the following.​
​All asphalt shingles come with a warranty period.  Once that period has arrived you won't get squat from the manufacturer so don't even bother.
I have seen (but will never ever do myself) a new layer of shingles being laid over the old but I would not recommend doing it.  When you remove everything down to the sheathing you get the chance to inspect the structure and repair things you wouldn't have seen by roofing over.  Things like valley and vertical wall flashing, fascia, chimney and vent breaches, etc. 
Dave mentioned ​checking with your insurance agent.  Save the embarrassment because they'll laugh themselves silly at you.  They'll cover roofs from acts of nature such as hail or a tree crashes down on it but they know what a roof that has reached its warranty period looks like.
Since it's the middle of winter you can stop gap any leakage into the home by throwing blue tarps over the ridge and nailing 3/4" strip on each edge or lap over and along the eaves.
As for replacement roofing materials:
Shingles   - 30-year architectural (Pabco or Elk are really good brands - stay the hell away from IKO and GAF)
Metal       -  Fabral (do a search for Fabral roofing)
Synthetic -  TPO (do a search for TPO Roofing) - this stuff is amazing
-- 
Joe,
The Twisted Knot Woodshop, "There's never been a classier joint"Visit the Twisted Knot Woodshop - http://www.twistedknotwoodshop.com

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