chris,don't forget to make sure that the existing roof structure is engineered to support the added weight of the extra layer of plywood, as well as the racking/modules. benn DayStar Renewable Energy Inc. b...@daystarsolar.ca780-906-7807 HAVE A SUNNY DAY
> From: ch...@oasismontana.com > To: re-wrenches@lists.re-wrenches.org > Date: Wed, 20 Oct 2010 19:29:33 -0600 > Subject: Re: [RE-wrenches] The perfect solar ready roof > > Hi Dick: > > Nope, not just high wind area, but the site gets a real bashing of hail at > least once every 3 to 4 years (like quarter sized hail at 60 - 80 mph) -- so > I will pass on the plasticky amorphous stuff, thank you, although yes, they > do look nice (til they get those whitish translucent spots from hail). > There's room for about a 5.5KW array of some decent modules (read: Sanyos or > some other high efficient modules). I just think we need another layer of > roofing material; we'll need 16 sheets of some kinda plywood. I am leaning > more and more in that direction..... > > But I really do appreciate all your thoughts! And by the way, right NOW, > sunny day time temps are near 70..... Nights are a chilly 35..... > > Chris Daum > Oasis Montana Inc. > 406-777-4309 > 406-777-0830 fax > > -----Original Message----- > From: re-wrenches-boun...@lists.re-wrenches.org > [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Richard L > Ratico > Sent: Wednesday, October 20, 2010 6:59 PM > To: re-wrenches@lists.re-wrenches.org > Subject: Re: [RE-wrenches] The perfect solar ready roof > > Chris, > > You've probably already considered and rejected this... Unisolar PVL modules > on standing seam roofing. Solves the structure & wind problems. Goes fast if > installed on the pans before they go on the roof. Price is pretty good per > watt now. > Can't beat the look. Made in USA. I think the only downside is you may not > have enough area to place 5kW. > > I bet it's getting cold in Montana. You could stick the modules on the pans > in a heated space somewhere. This would really cut down your time and > exposure on the roof. > > Dick Ratico > Solarwind Electric > > > > --- You wrote: > Dear Wrenches > have a composite (shingle) roof at hand, and the owner wants to upgrade it > to a metal roof and install a 5kw+ array on it. The rafters are those > (sort of) particle board I-beams covered with 1/2" plywood (and shingles). > What's the best metal roofing you could suggest--and would you beef up the > wood to lag into? > Thanks for all your input. > Chris Daum > Oasis Montana Inc. > 406-777-4309 > 406-777-0830 fax > --- end of quote --- > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org >
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