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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The GRK fasteners mentioned in a previous post associated with the Ecofasten flashing and L feet are self-drilling, but a pilot hole is still helpful in some instances. Very nice structural fasteners – high quality stainless, extremely course thread to increase pull out value and they use a T30 bit to drive. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Rich<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> re-wrenches-bounces@lists.re-wrenches.org [mailto:re-wrenches-bounces@lists.re-wrenches.org] <b>On Behalf Of </b>Benn At DayStarSolar<br><b>Sent:</b> Tuesday, July 03, 2012 6:36 PM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] L feet no flashing in shingle roof<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>I haven't read up on the mentioned structural screws yet, but do they specifically state that they can be driven "without" a pilot hole? What is the justification and how are they different so that they won't cause a board to split under pressure?<o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'>Does anyone have some good info on this?<o:p></o:p></p><div><p class=MsoNormal><span class=apple-style-span>benn</span><o:p></o:p></p></div><div><p class=MsoNormal><span class=apple-style-span>Sent from a 'smart' phone, with tiny keys. Please excuse shortcuts and typos. </span><o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><br>On 2012-07-03, at 3:53 PM, "David Brearley" <<a href="mailto:david.brearley@solarprofessional.com">david.brearley@solarprofessional.com</a>> wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Cambria","serif"'>+1 on the use of structural screws. We ran an article about lag screws a couple years ago:</span><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><a href="http://solarprofessional.com/article/?file=SP3_4_pg70_Shelly"><span style='font-size:10.0pt;font-family:"Cambria","serif"'>http://solarprofessional.com/article/?file=SP3_4_pg70_Shelly</span></a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Cambria","serif"'>One of the things that surprised me when I read this manuscript is how variable lag screws are in terms of construction and quality. Besides the convenience of being able to drive a structural screw without a pilot hole, the engineering specs are likely better documented and the manufacturing tolerances are probably tighter as well. </span><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Cambria","serif"'>FWIW: I think that using unflashed attachments in these litigious times is unwise. It's not consistent with best practices in the construction industry. It does not meet building codes. It violates the roof warranty. It makes your competition look good. </span><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Cambria","serif"'>We ran our first article on this topic 4 years ago, in our inaugural issue of SolarPro magazine:</span><o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><a href="http://solarprofessional.com/article/?file=SP1_1_pg72_Fain"><span style='font-size:10.0pt;font-family:"Cambria","serif"'>http://solarprofessional.com/article/?file=SP1_1_pg72_Fain</span></a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Cambria","serif"'>The industry has come a long way since then, both in terms of awareness and in terms of off-the-shelf flashed attachment options. There are so many quality flashed attachment solutions to chose from now that I'm not sure why anyone would knowingly expose themselves to a possible construction negligence claim.</span><o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Cambria","serif"'>Drive straight,</span><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Cambria","serif"'>David Brearley, Senior Technical Editor</span><o:p></o:p></p></div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Cambria","serif";color:black'>SolarPro magazine </span></span><span style='font-size:10.0pt;font-family:"Cambria","serif";color:black'><br><span class=apple-style-span>NABCEP Certified PV Installer ™</span><br><span class=apple-style-span><a href="mailto:david.brearley@solarprofessional.com">david.brearley@solarprofessional.com</a></span><br><span class=apple-style-span>Direct: 541.261.6545</span></span><span style='color:black'><br><br><br></span><o:p></o:p></p></div><div><p class=MsoNormal>On Jul 3, 2012, at 4:11 PM, Garrison Riegel wrote:<o:p></o:p></p></div><div><p class=MsoNormal><br><br><o:p></o:p></p><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'>The EcoFasten GF1 flashing is easy to install on a retrofit and will not necessarily add any height to the rail. If you do need to trim the flashings installed around the skylight, then I would recommend adding sealant to these penetrations. We ditch the included lag and use a 5/16” GRK RSS (self tapping structural screw). The combination works great and does not require a pilot hole.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'>RSS:</span><o:p></o:p></p></div><div><p class=MsoNormal><a href="http://www.grkfasteners.com/en/RSS_1_2_information.htm">http://www.grkfasteners.com/en/RSS_1_2_information.htm</a><o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>GF1<o:p></o:p></p></div><div><p class=MsoNormal><a href="http://ecofastensolar.com/pdf/GF1%20Cutsheets.pdf">http://ecofastensolar.com/pdf/GF1%20Cutsheets.pdf</a><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'>Best,</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'> </span><o:p></o:p></p></div><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Garrison Riegel</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Project Manager</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><b><span style='font-family:"Calibri","sans-serif";color:#1F497D'>Solar Service Inc</span></b><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[p] 847-677-0950</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[f] 847-647-9360</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://www.solarserviceinc.com/" title="blocked::http://www.solarserviceinc.com/">www.solarserviceinc.com</a></span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:navy'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>NABCEP Certified Solar PV and Thermal Installer™</span><o:p></o:p></p></div></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'>“</span>There is no room for flashings. The L feet will go very close to the skylights and the flashing would hit the edge of them. Plus there is an existing array that was done by another installer that is done with L feet only. The new array would be higher.”<o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'> </span><o:p></o:p></p></div><div><div class=MsoNormal align=center style='text-align:center'><hr size=2 width="100%" align=center></div></div><div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt'>_______________________________________________<br>List sponsored by Home Power magazine<br><br>List Address:<span class=apple-converted-space> </span><a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br><br>Options & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive:<span class=apple-converted-space> </span><a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><br><br>List rules & etiquette:<br><a href="http://www.re-wrenches.org/etiquette.htm">www.re-wrenches.org/etiquette.htm</a><br><br>Check out participant bios:<br><a href="http://www.members.re-wrenches.org">www.members.re-wrenches.org</a><o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p></div></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal style='margin-bottom:12.0pt'>_______________________________________________<br>List sponsored by Home Power magazine<br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br><br>Options & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive: <a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><br><br>List rules & etiquette:<br><a href="http://www.re-wrenches.org/etiquette.htm">www.re-wrenches.org/etiquette.htm</a><br><br>Check out participant bios:<br><a href="http://www.members.re-wrenches.org">www.members.re-wrenches.org</a><o:p></o:p></p></div></blockquote></div></body></html>