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    <div class="moz-cite-prefix">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>
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        <font face="Times New Roman, Times, serif"><b>Allan Sindelar</b></font><br>
        <small><a href="mailto:Allan@positiveenergysolar.com"><font
              color="#000099" face="Times New Roman, Times, serif"><u>Allan@positiveenergysolar.com</u></font></a></small><font
          face="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>
            <b>Positive Energy, Inc.</b><br>
            3209 Richards Lane (note new address)<br>
            Santa Fe, New Mexico 87507<br>
            <b>505 424-1112</b><br>
            <a href="http://www.positiveenergysolar.com/"
              target="_blank"><u>www.positiveenergysolar.com</u></a><o:p></o:p></span></font>
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      On 5/30/2013 4:14 PM, Todd Cory wrote:<br>
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      <font size="+1"><font face="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>
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