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<p><font face="Verdana">I<font face="Verdana"> am not trying to
prolong this thread,<font face="Verdana"> but I do want to say
that <font face="Verdana">there should be a<font
face="Verdana">n inspection<font face="Verdana"> of the
blo<font face="Verdana">cks in freeze/thaw areas. <font
face="Verdana">We started an inspection program of
our systems <font face="Verdana">or s<font
face="Verdana">ystems <font face="Verdana">in
the area and a<font face="Verdana">lthough
we <font face="Verdana">don't <font
face="Verdana">install ballasted s<font
face="Verdana">ystems, we found
enough other things to address<font
face="Verdana">. On my own 8 year
old system zip tie failure was o<font
face="Verdana">ver 50%. </font>
I<font face="Verdana">t opened my
eyes to the need <font
face="Verdana">to do th<font
face="Verdana">ese ins<font
face="Verdana">pections<font
face="Verdana">, and
spec better <font
face="Verdana">materials
a<font face="Verdana">t
the s<font
face="Verdana">tart. </font></font></font></font>
<br>
</font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></p>
<p><font face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font
face="Verdana"><font
face="Verdana"><font
face="Verdana">I remember
the survey in Wisconsin
regarding the inspecting
of fairly old solar
thermal systems. <font
face="Verdana">All the
partici<font
face="Verdana">pants
really seemed to love
the<font
face="Verdana">ir
systems, but I think
<font face="Verdana">over
3/4 of them were
not working. </font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font><br>
</p>
<br>
<div class="moz-cite-prefix">On 7/1/2018 8:02 PM, Jerry Shafer
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAMUFgmV2K5L9Xvp9vC=wxS9eCFEhw4WKozWid2sa3w16xqcvkw@mail.gmail.com">
<div dir="ltr">
<div>Kirt, Chris, Wrenches<br>
</div>
<div>We have not had any issues other then one or two in Hawaii
or California, it might be the location, concrete blocks
sitting in the weather all exposed to rain from on all sides
and then potential freezing conditions will cause failure of
the blocks, the same issue pools will get if there are tiles
around the edge when they pop off in freezing conditions but
thats just me><br>
</div>
<div>Jerry</div>
<div>NABCEP Installer and PVI</div>
<div><br>
</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Wed, Jun 27, 2018 at 10:20 AM, Kirk
Herander <span dir="ltr"><<a
href="mailto:vtsolar@icloud.com" target="_blank"
moz-do-not-send="true">vtsolar@icloud.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div link="blue" vlink="purple" lang="EN-US">
<div class="m_-3715687940030501248WordSection1">
<p class="MsoNormal"><span style="font-size:14.0pt">All,</span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">I
have a 6 year old ballasted roof system in which
about 50% of the solid cap blocks(16\u201dL x 8\u201dw x 4\u201dD)
are cracked and crumbing, some are close to rubble.
I assume it was a bad batch, but has anyone seen
this before? What might be the preventive remedy in
the future? A coating of some sort?</span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"> </span></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt">Kirk
Herander</span></b></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt">Owner|Principal,
VT Solar, LLC </span></b></p>
<p class="MsoNormal"><b><i><span
style="font-size:12.0pt">Celebrating our 27<sup>th</sup>
Anniversary 1991-2018</span></i></b></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt"><a
href="http://www.vermontsolarnow.com"
target="_blank" moz-do-not-send="true"><span
style="color:blue">www.vermontsolarnow.com</span></a></span></b></p>
<p class="MsoNormal"><span style="font-size:12.0pt">dba
Vermont Solar Engineering</span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">NABCEP<sup>TM
</sup>2003 Inaugural Certificant</span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">VT
RE Incentive Program Partner</span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">802.863.1202</span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"> </span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"> </span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"> </span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"> </span></p>
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