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/ [1] e-mail offgridso...@sti.net [2] text 209 813 0060 On Sat, 17 Oct 2020 21:37:07 -0400, Hilton Dier III 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 Links: ------ [1] http://members.sti.net/offgridsolar/ [2] mailto:offgridso...@sti.net
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