Kirt, Chris, Wrenches 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> Jerry NABCEP Installer and PVI
On Wed, Jun 27, 2018 at 10:20 AM, Kirk Herander <vtso...@icloud.com> wrote: > All, > > I have a 6 year old ballasted roof system in which about 50% of the solid > cap blocks(16”L x 8”w x 4”D) 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? > > > > *Kirk Herander* > > *Owner|Principal, VT Solar, LLC * > > *Celebrating our 27th Anniversary 1991-2018* > > *www.vermontsolarnow.com <http://www.vermontsolarnow.com>* > > dba Vermont Solar Engineering > > NABCEPTM 2003 Inaugural Certificant > > VT RE Incentive Program Partner > > 802.863.1202 > > > > > > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: http://www.mail-archive.com/re-wrenches@lists.re-wrenches. > org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > >
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