You are correct -- and there is a strong possibility of adding another layer (1/2" or 3/4") of roofing material under the new metal roof. High wind area is a consideration, and I don't think those fake I-beams are meaty enough to lag into. Hence I request your input! --Chris @ the Oasis Montana
_____ From: [email protected] [mailto:[email protected]] On Behalf Of North Texas Renewable Energy Inc Sent: Wednesday, October 20, 2010 6:10 PM To: RE-wrenches Subject: Re: [RE-wrenches] The perfect solar ready roof After re-reading your original letter Chris, it sounds like the roof makeover hasn't happened yet. If that's the case suggest to the owner that, based on the 100 years or so of combined professional experience of the PV installer community, he should not use the engineered rafters or the 1/2" decking if he's wanting PV on top. Pull out a copy of the International Building Code and show him. not a roofer, Jim Duncan 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 _______________________________________________ List sponsored by Home Power magazine List Address: [email protected] 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 <http://www.members.re-wrenches.org/>
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