<div dir="ltr">Schletter makes those clamps.</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, May 30, 2013 at 7:25 PM, Exeltech <span dir="ltr"><<a href="mailto:exeltech@yahoo.com" target="_blank">exeltech@yahoo.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><table cellspacing="0" cellpadding="0" border="0"><tbody><tr><td valign="top" style="font:inherit">I've seen rack "edge clamps" for frameless PV advertised, but didn't make a<br>
mental note of made by whom, or where I saw the ad. I *do* recall the clamps<br>were intended to be located along the long edges, not the ends. Otherwise,<br>expansion/contraction would stress/break the glass.<br><br>There's a wealth of knowledge and know-how here. Someone with the answer<br>
will chime in.<br><br><br>Dan<br><br>--- On <b>Thu, 5/30/13, <a href="mailto:toddcory@finestplanet.com" target="_blank">toddcory@finestplanet.com</a> <i><<a href="mailto:toddcory@finestplanet.com" target="_blank">toddcory@finestplanet.com</a>></i></b> wrote:<br>
<blockquote style="border-left:2px solid rgb(16,16,255);margin-left:5px;padding-left:5px"><br>From: <a href="mailto:toddcory@finestplanet.com" target="_blank">toddcory@finestplanet.com</a> <<a href="mailto:toddcory@finestplanet.com" target="_blank">toddcory@finestplanet.com</a>><div class="im">
<br>Subject: Re: [RE-wrenches] used panel mount questions<br>To: "RE-wrenches" <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>><br></div>Date: Thursday, May 30, 2013, 6:06 PM<div>
<div class="h5"><br><br><div><font face="arial" size="3"><p style="margin:0;padding:0">good point dan... i wonder how frameless modules are intended to be mounted?</p>
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<p style="margin:0;padding:0">todd</p>
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<p style="margin:0;padding:0">On Thursday, May 30, 2013 4:00pm, "Exeltech" <<a href="mailto:exeltech@yahoo.com" target="_blank">exeltech@yahoo.com</a>> said:<br><br></p>
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<td style="font:inherit" valign="top">I agree with Allen, and would like to add a related comment. Foam boards are<br>thermally insulative in nature. If affixed to the PV with adhesive, they would<br>cause the PV module to run hotter than if the backsheet was fully exposed<br>
to the air.<br><br>This results in reduced energy output under all conditions, and increased<br>thermal stresses on the PV cells, internal buss, bonds, and other aspects<br>of the PV.<br><br><br>Dan<br><br><br>--- On <strong>Thu, 5/30/13, Allan Sindelar <em><<a href="mailto:allan@positiveenergysolar.com" target="_blank">allan@positiveenergysolar.com</a>></em></strong> wrote:<br>
<blockquote style="border-left:2px solid #1010ff;margin-left:5px;padding-left:5px"><br>From: Allan Sindelar <<a href="mailto:allan@positiveenergysolar.com" target="_blank">allan@positiveenergysolar.com</a>><br>Subject: Re: [RE-wrenches] used panel mount questions<br>
To: "RE-wrenches" <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>><br>Date: Thursday, May 30, 2013, 5:46 PM<br><br><br>
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<div>Todd,<br> I don't have your answers, only the caution that "blue foam" to many of us with a construction background means extruded polystyrene or "blueboard", commonly used around foundations. It deteriorates with exposure to sunlight, so could only be used in an application such as this if protected from UV.<br>
Allan<br><br>
<div><span style="font-family:'Times New Roman',Times,serif"><strong>Allan Sindelar</strong></span><br><small><a rel="nofollow"><span style="color:#000099;font-family:'Times New Roman',Times,serif"><span style="text-decoration:underline">Allan@positiveenergysolar.com</span></span></a></small><span style="font-family:'Times New Roman',Times,serif"><br>
<span style="font-size:10pt">NABCEP Certified Photovoltaic Installer<br> NABCEP Certified Technical Sales Professional<br> New Mexico EE98J Journeyman Electrician<br> Founder and Chief Technology Officer<br><strong>Positive Energy, Inc.</strong><br>
3209 Richards Lane (note new address)<br> Santa Fe, New Mexico 87507<br><strong>505 424-1112</strong><br><a rel="nofollow" href="http://www.positiveenergysolar.com/" target="_blank"><span style="text-decoration:underline">www.positiveenergysolar.com</span></a></span></span>
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On 5/30/2013 4:14 PM, Todd Cory wrote:</div>
<blockquote><span style="font-size:8pt"><span style="font-family:Arial">wrenches,<br><br> i have a customer who purchased 20 used astropower ap75 modules. they are frameless and appear to have been previously mounted using four, 2" wide X 10" long strips of blue rigid foam, glued to the back of each module with some kind of adhesive.<br>
<br> two questions:<br><br> this seems to be a reasonable mounting system id like to repeat. would anyone familiar with this kind of mounting technique be willing to comment/speculate on an adhesive that would not degrade the tedlar backsheet? whatever was previously used worked great.<br>
<br> what kind of flat/smooth mounting surface would folks suggest the other side of the blue foam be attached to? the only thing i can think of is plywood, but that would rot over time.<br><br> thanks,<br>
<br>
todd<br><br><br></span></span> <br><fieldset></fieldset> <br>
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