<div dir="ltr"><div>Aloha,</div><div><br></div>We use GeoCell 4500 (Black) daily for years with no problems here in Hawaii ($4.99 a tube). I have also heard that black zips or sealant holds up better in the UV light, and my field experience seems to validate this.<div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Aug 11, 2015 at 5:09 PM, Ray Walters <span dir="ltr"><<a href="mailto:ray@solarray.com" target="_blank">ray@solarray.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
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 cols="72">R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
<a href="tel:303%20505-8760" value="+13035058760" target="_blank">303 505-8760</a></pre><div><div class="h5">
<div>On 8/11/2015 12:01 PM, Kevin Pegg
wrote:<br>
</div>
</div></div><blockquote type="cite"><div><div class="h5">
<div><span><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><font color="#0000ff" face="Arial" size="2"><a href="http://www.sashco.com/products/lexel/" target="_blank">http://www.sashco.com/products/lexel/</a></font></span></div>
<div><span></span> </div>
<div><span><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></span> </div>
<div><span><font color="#0000ff" face="Arial" size="2">Kevin</font></span></div>
<blockquote dir="ltr" style="MARGIN-RIGHT:0px">
<div dir="ltr" align="left"><font face="Tahoma" size="2">-----Original Message-----<br>
<b>From:</b> RE-wrenches
[<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">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>
<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></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><b><br>James B. Rudolph</b><div><b>Haleakala Solar</b> <b><br></b><div><b>Director of Construction</b></div><div><b>NABCEP Certified PV Installer # 091209-155<br></b></div><div><b><br></b></div><div><b><br></b></div><div><br><b><img alt=""><br></b><br></div></div></div></div>
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