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--></style></head><body 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">Hi Chad,</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">We’ve occasionally installed onto steel trusses with either self drilling screws (no pilot required) or thread forming screws (pilot hole required). See attached sample spec sheets. </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I suppose you could install a standard tile hook type product with the types of fasters I listed above. Or, hire a roofer to waterproof your stanchions and reinstall the removed tiles. More and more, we are moving towards the latter because we’ve bumped into issues with degrading underlayment (felt paper) under tile roofs. </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Best,</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">August</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Luminalt</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </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 [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Chad Waits<br><b>Sent:</b> Monday, June 06, 2016 3:15 PM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> [RE-wrenches] Steel Trusses</span></p></div></div><p class="MsoNormal"> </p><div><div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Wrenches,</span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Anyone out there have any experience attaching arrays (from the topside) to roofs with steel trusses under plywood decking? We’ve got a new project that has steel trusses and we would prefer to not have to spend time in the attic bolting through (it was 113 degrees here today)… Is there a fastening system out there that anyone has experience with?</span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Oh, the roof is composite/strengthened clay tile as well.</span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Thanks!</span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span></p></div><div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Chad Waits</span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">President/Owner – Net Zero Solar</span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">101 W. 5th St., Tucson, AZ 85705</span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Office: 520-207-4053</span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">Cell: 520-270-4873</span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">NABCEP Certified PV Installation Professional</span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black">NABCEP Certified Solar Heating Installer</span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"> </span></p></div><div><p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:black"><img width="180" height="65" id="_x0000_i1025" src="cid:image001.png@01D1C009.450C2EC0"></span></p></div></div></div></div></div></body></html>