<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">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,<u></u><u></u></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?<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:14.0pt"><u></u> <u></u></span></p><p class="MsoNormal"><b><span style="font-size:12.0pt">Kirk Herander<u></u><u></u></span></b></p><p class="MsoNormal"><b><span style="font-size:12.0pt">Owner|Principal, VT Solar, LLC <u></u><u></u></span></b></p><p class="MsoNormal"><b><i><span style="font-size:12.0pt">Celebrating our 27<sup>th</sup> Anniversary 1991-2018<u></u><u></u></span></i></b></p><p class="MsoNormal"><b><span style="font-size:12.0pt"><a href="http://www.vermontsolarnow.com" target="_blank"><span style="color:blue">www.vermontsolarnow.com</span></a><u></u><u></u></span></b></p><p class="MsoNormal"><span style="font-size:12.0pt">dba Vermont Solar Engineering<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt">NABCEP<sup>TM </sup>2003 Inaugural Certificant<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt">VT RE Incentive Program Partner<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt">802.863.1202<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:14.0pt"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:14.0pt"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:14.0pt"> <u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:14.0pt"><u></u> <u></u></span></p></div></div><br>______________________________<wbr>_________________<br>
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