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<p><font face="Times New Roman, Times, serif">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.</font><br>
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<pre class="moz-signature" cols="72">--
Hilton Dier III
Missisquoi River Hydro
Renewable Energy Design
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