It's interesting that you experienced this as I've always told customers that the roof will come off the building with the array attached before the array comes off the metal roof. Sounds like the issue was with the attachment (or lack of) between the roof and the building.
Thanks, Will -- *Will White* Curriculum Developer e: w...@solarenergy.org w: www.solarenergy.org p: 802-272-3092 NABCEP Certified PV Installation Professional # 093006-34 Do you envision a world powered by renewable energy? Be the change <http://solarenergy.org/donate>. On Sun, Oct 18, 2020 at 5:41 PM Jason Szumlanski < ja...@floridasolardesigngroup.com> wrote: > I would add that S-5s are only as good as the roof. We saw a large system > (not ours) that ripped the metal right off the roof during Hurricane Irma. > It literally tore the meta. The panels, rails, and S-5s were still > connected, sitting on the ground with chunks of metal roofing still > attached to the S-5s. It was quite the mangled mess. We salvaged quite a > bit, but the client built a ground rack after this. > > To be fair, this was a totally exposed beachfront home. I don't know what > the spacing was on the clamps, either. > > > On Sun, Oct 18, 2020 at 12:00 PM Jerry Shafer <jerrysgarag...@gmail.com> > wrote: > >> Wrenches >> I think what you said is totally true,"its only as good as the >> instalation" but here is where l differ, S-5's if installed correctly are >> no different than anything else installed on the roof. >> Jerry >> >> On Sun, Oct 18, 2020, 8:42 AM Dave Angelini Offgrid Solar < >> offgridso...@sti.net> wrote: >> >>> The S5 is only as good as the installer. I have seen them come off with >>> a string of panels on an insurance inspection I did. >>> >>> I billed them and made another note in my journal of why the only thing >>> that should go on a metal roof is rainwater. >>> >>> >>> >>> *Dave Angelini Offgrid Solar >>> "we go where powerlines don't" >>> http://members.sti.net/offgridsolar/ >>> <https://mailtrack.io/trace/link/1fbcd342a74271c0b7fc10aded3a5898216b29ff?url=http%3A%2F%2Fmembers.sti.net%2Foffgridsolar%2F&userId=1613865&signature=3165bd540eb26abc> >>> e-mail offgridso...@sti.net <offgridso...@sti.net> >>> text 209 813 0060* >>> >>> On Sat, 17 Oct 2020 21:37:07 -0400, Hilton Dier III < >>> hiltond...@gmail.com> wrote: >>> >>> I'm with Jerry Shafer on this one. S-5 clamps with rails work well >>> without punching holes in the metal roof. If the roof is fastened well to >>> beefy steel C channel it should be fine. The S-5 clamps themselves are >>> stronger than the roofing. >>> >>> -- >>> Hilton Dier III >>> Missisquoi River Hydro >>> Renewable Energy Design >>> >>> _______________________________________________ >>> List sponsored by Redwood Alliance >>> >>> List Address: RE-wrenches@lists.re-wrenches.org >>> >>> Change listserver email address & settings: >>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>> <https://mailtrack.io/trace/link/37e5a9d3cb94862f3ed2bd2a6d8aec0166172293?url=http%3A%2F%2Flists.re-wrenches.org%2Foptions.cgi%2Fre-wrenches-re-wrenches.org&userId=1613865&signature=14bbe924a508fd2a> >>> >>> There are two list archives for searching. 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