<div dir="ltr">This topic surfaces from time to time on Wrenches. We've had good luck with S-5! CorruBrackets, which use self tappers into the sheet metal. I see that S-5! has a few newer similar products as well:<div><br></div><div><a href="https://s-5.com/products/clamps-brackets/">https://s-5.com/products/clamps-brackets/</a></div><div><br></div><div>As mentioned on previous posts, the pullout for self tappers is surprisingly high. You need to verify how the metal roof is fastened to the support structure, so it is not the weak link.</div><div><br></div><div>August</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Oct 17, 2020 at 4:31 PM William Miller <<a href="mailto:william@millersolar.com">william@millersolar.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang="EN-US"><div class="gmail-m_8272539715396544423WordSection1"><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)">Jay:</span></p><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)"> </span></p><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)">Look again. There are fasteners for metal purlins. One is the JT3-SB-8.0 with FZD sealing washer and the other is the JT3-SB-8.0 with storm washer.</span></p><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)"> </span></p><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)"> </span></p><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)"> </span></p><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)">William</span></p><div><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:rgb(31,73,125)">Miller Solar</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:rgb(31,73,125)">17395 Oak Road, Atascadero, CA 93422</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:rgb(31,73,125)">805-438-5600</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:rgb(31,73,125)"><a href="http://www.millersolar.com/" target="_blank"><span style="color:blue">www.millersolar.com</span></a></span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:rgb(31,73,125)">CA Lic. 773985</span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"> </span></p></div><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)"> </span></p><div><div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(181,196,223);padding:3pt 0in 0in"><p class="MsoNormal"><b><span style="font-size:10pt;font-family:Tahoma,sans-serif">From:</span></b><span style="font-size:10pt;font-family:Tahoma,sans-serif"> RE-wrenches [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Jay<br><b>Sent:</b> Saturday, October 17, 2020 2:23 PM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] Metal roof/self taping screws</span></p></div></div><p class="MsoNormal"> </p><div><p class="MsoNormal">Hi Jerry </p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">I thought about it. </p></div><div><p class="MsoNormal">But they are $5 each</p></div><div><p class="MsoNormal">Not rated for L feet</p></div><div><p class="MsoNormal">Have 4 holes vs 1 hole</p></div><div><p class="MsoNormal">There is no underlayment as it\u2019s a barn</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">Using polybutylene tape and or caulk, it\u2019s a pretty solid way to keep water out and with the self tapping bolts is more secure to me ( thanks Allan).</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">The parts that William suggested are designed for metal roof over wood substructure, not applicable in this case. </p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">I\u2019ll just look for the right self driving lag bolt</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">Jay</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal"><br><br></p><p class="MsoNormal" style="margin-bottom:12pt">On Oct 17, 2020, at 1:53 PM, Jerry Shafer <<a href="mailto:jerrysgarage01@gmail.com" target="_blank">jerrysgarage01@gmail.com</a>> wrote:</p></div><blockquote style="margin-top:5pt;margin-bottom:5pt"><div><p class="MsoNormal"><span style="font-family:Tahoma,sans-serif">\ufeff</span></p><div><p class="MsoNormal">Why puncture the metal can't S-5 be used.</p><div><p class="MsoNormal">Jerry</p></div></div><p class="MsoNormal"> </p><div><div><p class="MsoNormal">On Sat, Oct 17, 2020, 12:42 PM Jay <<a href="mailto:jay.peltz@gmail.com" target="_blank">jay.peltz@gmail.com</a>> wrote:</p></div><blockquote style="border-top:none;border-right:none;border-bottom:none;border-left:1pt solid rgb(204,204,204);padding:0in 0in 0in 6pt;margin-left:4.8pt;margin-right:0in"><p class="MsoNormal" style="margin-bottom:12pt">What do people recommend for a metal roof ( with flat sections, not corrugated)on 3/16\u201d thick x 2\u201d wide C channel for attaching L feet<br><br>Self taping fasteners would be the easiest. Doing a nut and bolt would be possible but quite time consuming. <br>A machine self taping bolt and then adding a nut would be a lot easier than nut and bolt. <br><br>But that is my question. Is a self taping screw enough or does it need to be bolted? <br><br>Jay<br>Peltz power<br><br><br><br>_______________________________________________<br>List sponsored by Redwood Alliance<br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank">RE-wrenches@lists.re-wrenches.org</a><br><br>Change listserver email address & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>There are two list archives for searching. 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