[RE-wrenches] Mounting on rock

[Will White]

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 <reosolar at 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 <maclewis1 at 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 <reosolar at 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
>>>
>>>
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-- 
*Will White*
Curriculum Developer

[image: Inline image 3]

e: will at solarenergy.org
w: www.solarenergy.org
p: 802-272-3092

PV Installation Professional
# 093006-34
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