How about adding blocking between the TJI's and lagging to that? That has worked for us in the past.
But I think that might be a mute point if you are adding a metal roof. Suggest a standing seam roof and attach with S5! clips. That would be the cleanest and no penetrations! Chad Waits Net Zero Solar 520.270.4873 chadwa...@netzerosolar.net From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Chris Daum Sent: Tuesday, October 19, 2010 7:58 PM To: 'RE-wrenches' Subject: [RE-wrenches] The perfect solar ready roof Dear Wrenches: I 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
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