[RE-wrenches] Salt & Aluminum vs Galvy

[Jeff Clearwater]

Thanks Daryl and Ray - I appreciate the info!

Other's concurr?

jc

penobscotsolar at midmaine.com wrote:
> Thanks for reminding me Ray....Jeff, we use ss transition boxes instead of
> pvc. You can find 6x6x4 or 4x4x4 boxes for a reasonable price considering
> their superiority when it comes to longevity. Obviously use at least 3R
> rated boxes at a minimum.
>
> Daryl DeJoy
> NABCEP Certified PV installer
> Penobscot Solar Design
>
>
>
>
>> Galvanized does not do very well in Hawaii near the water. I haven't
>> seen much powder coated Al, but anodized AL with SS hardware seems to
>> work about as good as anything I've seen. We see SS J boxes, fiberglass
>> boxes seem to break down in the UV after several years, but painting
>> with the right paint helps a lot. The last job I worked on there, we had
>> 2 guys paint all exposed J-boxes and PVC conduit with a heavy duty oil
>> based (messy cleanup) paint. I'll let you know in 5 years how it all
>> looks.
>> Also, be sure and get all your conduit clamps and unistrut in stainless.
>> More expensive, harder to find, and harder to cut, but you'll see the
>> difference in a couple of years for sure. Just a single washer that's
>> not SS will stand out like a sore thumb later.
>>
>> Ray Walters
>>
>> On 9/27/2011 11:40 AM, Jeff Clearwater wrote:
>>> Hi Esteemed Wrenchies,
>>>
>>> So for the project I'm working on in the Bahamas for ground mount
>>> racking - have folks found Aluminum or Galvy to stand up against salt
>>> spray better?
>>>
>>> And if Al - powder coated or anodized?
>>>
>>> And  with mixing them - (like a typical Steel Pipe rack with Al Rails)
>>> - are the junctions going to be a problem with lots of salt?
>>>
>>> Any solution to AL framed modules not turning black and ugly?  Do
>>> black anodized module frames help?
>>>
>>> Thanks!
>>>
>>> Jeff
>>>
>>>
>>> --
>>> Jeff Clearwater
>>> Village Power Design
>>>
>>> Renewable Energy Consultant
>>> 32 Years in all Aspects of Renewables
>>> www.villagepower.com
>>> skype: jclearwater
>>> 413-559-9763
>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>
>>>
>>>
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