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    I've used Lexel before, it's the best clear caulk I've used.  I used
    it even to repair cracks on plastic lens on concentrating modules. 
    It holds its clarity for a long time, however I don't know if its
    approved for asphalt shingles.  <br>
    <pre class="moz-signature" cols="72">R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer, 
Licensed Master Electrician
Solar Design Engineer
303 505-8760</pre>
    <div class="moz-cite-prefix">On 8/11/2015 12:01 PM, Kevin Pegg
      wrote:<br>
    </div>
    <blockquote
cite="mid:EC7EE410EA8C24449CDC59F7D9080D520215D974@srv010.affirmativecomputer.com"
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      <div><span class="885575917-11082015"><font color="#0000ff"
            face="Arial" size="2">At recommendation from a roofer couple
            years ago, we have been using this product:</font></span></div>
      <div><span class="885575917-11082015"><font color="#0000ff"
            face="Arial" size="2"><a moz-do-not-send="true"
              href="http://www.sashco.com/products/lexel/">http://www.sashco.com/products/lexel/</a></font></span></div>
      <div><span class="885575917-11082015"></span> </div>
      <div><span class="885575917-11082015"><font color="#0000ff"
            face="Arial" size="2">Not used long enough to know if it
            stands the test of time. </font></span></div>
      <div><span class="885575917-11082015"></span> </div>
      <div><span class="885575917-11082015"><font color="#0000ff"
            face="Arial" size="2">Kevin</font></span></div>
      <blockquote dir="ltr" style="MARGIN-RIGHT: 0px">
        <div class="OutlookMessageHeader" dir="ltr" align="left"><font
            face="Tahoma" size="2">-----Original Message-----<br>
            <b>From:</b> RE-wrenches
            [<a class="moz-txt-link-freetext" href="mailto:re-wrenches-bounces@lists.re-wrenches.org">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>]<b>On
              Behalf Of </b>August Goers<br>
            <b>Sent:</b> August 10, 2015 2:53 PM<br>
            <b>To:</b> RE-wrenches<br>
            <b>Subject:</b> [RE-wrenches] clear sealant recommendations<br>
            <br>
          </font></div>
        <div class="WordSection1">
          <p class="MsoNormal">Hi Wrenches,</p>
          <p class="MsoNormal"> </p>
          <p class="MsoNormal">For the most part we are using Chemlink
            M1 sealant for to seal our rooftop penetrations. It hasn’t
            let us down yet.</p>
          <p class="MsoNormal"> </p>
          <p class="MsoNormal">M1 is a available in several opaque
            colors and grey is the most common. Sometimes we want a good
            quality clear sealant to put around conduit fittings, where
            our conduit enters buildings, etc. We used Geocell 2300 in
            the past and I don’t have anything bad to say to it but our
            current supplier doesn’t carry Geocell products. More
            recently we’ve tried Chemlink Clear sealant but I’ve already
            seen signs that it doesn’t hold up well in the elements – it
            seems to peel off the surface it was installed on and turn
            brown relatively fast.</p>
          <p class="MsoNormal"> </p>
          <p class="MsoNormal">Does anyone have a good multipurpose
            clear sealant that they like?</p>
          <p class="MsoNormal"> </p>
          <p class="MsoNormal">Best,</p>
          <p class="MsoNormal"> </p>
          <p class="MsoNormal">August</p>
          <p class="MsoNormal"> </p>
          <p class="MsoNormal"> </p>
        </div>
      </blockquote>
      <br>
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      <br>
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</pre>
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