[RE-wrenches] PV and Roof Flammability

[Darryl Thayer]

Hi I forgot last summer I removed some modules that I had installed in the 1996? the roof had been damaged by hail.  No damage to the modules, and the shingles under the modules looked great, and they did not look or feel brittle and the rest of the roof was beat up.  

--- On Thu, 9/23/10, Darryl Thayer <daryl_solar at yahoo.com> wrote:

> From: Darryl Thayer <daryl_solar at yahoo.com>
> Subject: Re: [RE-wrenches] PV and Roof Flammability
> To: "RE-wrenches" <re-wrenches at lists.re-wrenches.org>
> Date: Thursday, September 23, 2010, 8:39 PM
> Hi all
> Of course there were some fires with thermal collectors
> where the wood and shingles cought fire with inadaquite
> venting.  No venting was the case.  
> 
> But I have measured the temperature under PV when it was
> vented and the roof was cooler under the array than
> elsewhere. 
> 
> 
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