I'm pretty sure Unirac has a flange base that is designed to attached to the bottom of a threaded pipe as part of their ULA rack that can be used to mount directly to rock.
On Thu, Apr 12, 2018 at 9:53 AM, Aaron Mandelkorn <reoso...@gmail.com> wrote: > Thanks all. The flange plate was what I was thinking. It may be to > difficult to level a ballast mounting roof system. Engineering may be a > little difficult I assume? > > Aaron Mandelkorn > President / Founder > Renewable Energy Outfitters > www.reosolar.com > Off Grid Depot > www.offgridnow.com > 970-596-3744 > > > > On Thu, Apr 12, 2018, 7:46 AM Mac Lewis <maclew...@gmail.com> wrote: > >> Hi Aaron, >> >> Granite is a great substrate to mount to (once it's done). You could weld >> a large flange plate onto the bottom of your pole, and bolt it to the >> granite using anchor bolts. Rock climbers (including myself) drill into >> granite all of the time. Bosch, among others, has a great drill and bit >> setup that works well. Glue in epoxies are a great way to keep moisture out >> of the hole for many years. >> >> Ballast racks are available too but it seems like a shame not to attach >> to the granite in some way. >> >> Good luck >> >> On Thu, Apr 12, 2018, 7:28 AM Aaron Mandelkorn <reoso...@gmail.com> >> wrote: >> >>> Hi all, >>> >>> I have a customer that requires a mounting option I have yet to >>> encounter. His site sits on top of of a massive hill of granite. It is >>> relatively flat. Are there any mounting options that could work here? We >>> are only talking about (12) to (16) modules for an off grid array. Is >>> there anything that can bolt to rock? I typically use dpw or Mt solar pole >>> mounts but can't imagine how these options could work. Any thoughts? >>> >>> Aaron Mandelkorn >>> President / Founder >>> Renewable Energy Outfitters >>> www.reosolar.com >>> Off Grid Depot >>> www.offgridnow.com >>> 970-596-3744 >>> >>> >>> _______________________________________________ >>> 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 >>> >>> _______________________________________________ >> 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 >> >> > _______________________________________________ > 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 > > > -- *Will White* Curriculum Developer [image: Inline image 3] e: w...@solarenergy.org w: www.solarenergy.org p: 802-272-3092 PV Installation Professional # 093006-34
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