[RE-wrenches] Plastic washers

[Chris Mason]

I have that also and it is OKAY,  but for a highly corrosive location,  the
spray gives a lot of extra protection.

Chris Mason
Comet Systems
Anguilla (264) 235-5670
St. Kitts  (869) 662-5670
skype netconcepts

NABCEP Certified Solar PV Installer™
Renewable Energy Systems professional
Generac Generators Factory technician
On Jan 28, 2016 5:49 PM, "Allan Sindelar" <allan at sindelarsolar.com> wrote:

> Chris,
> As only the threads of all SS bolts need anti-seize, there's a much neater
> method. Anti-seize is available in a solid twist-to-extend tube that is
> neat and easy to use. One light swipe across the make threads of each bolt
> - doesn't take much to prevent galling.
> I checked in my toolbag - I'm holding a tube of Loctite Quickstix Silver
> Grade Anti-Seize, product #37230. Probably got it through Fastenal.
> Allan
>
> *Allan Sindelar*
> allan at sindelarsolar.com
> NABCEP Certified PV Installation Professional
> NABCEP Certified Technical Sales Professional
> New Mexico EE98J Journeyman Electrician
> Founder (Retired), Positive Energy, Inc.
> *505 780-2738 <505%20780-2738> cell*
>
>
> On 1/28/2016 11:35 AM, Chris Mason wrote:
>
> Our house is on the ocean,  in the Caribbean. If you are using something
> like SnapNRack,  where a stainless bolt goes through an aluminium channel
> nut, use Permatex or it will seize. Other than that,  I have not seen
> racking corrosion in eight years on the roof. Put all the clamps, bolts,
> nuts etc, in a bucket and spray it all with Permatex anti seize. It will be
> messy but very effective. You'll have fingerprints on the modules but oh,
> well.
> On Jan 28, 2016 2:16 PM, "Ray Walters" <ray at solarray.com> wrote:
>
>> I would use a SS washer with integrated Neoprene rubber gasket.  We use
>> them on roof work, and Unirac uses them under the lag on their roof
>> flashings.
>> [image: Image result for neoprene washers]
>> https://www.copperstate.com/shop/429/neoprene-washers
>>
>> Thanks,
>>
>> R.Ray Walters
>> CTO, Solarray, Inc
>> Nabcep Certified PV Installer,
>> Licensed Master Electrician
>> Solar Design Engineer303 505-8760
>>
>> On 1/28/2016 8:25 AM, Jay wrote:
>>
>> Hi Larry
>>
>> I wasn't planning on installing anything between al and al. Just between
>> SS and al. So the module will still be bolted directly to the al rack
>> material. I'm not too worried about the grounding, and certainly not
>> worried enough to install lay in lugs with copper to each module.
>>
>> As lones pointed out, there are parts that would insulate the bolt.
>> But as the owner hasn't requested that, not going to suggest it!
>>
>> I sure didn't plan on stirring the pot like this.
>> Just really wanted some help on sourcing the washers
>>
>> Thanks
>>
>> Jay
>> Peltz power
>>
>> On Jan 28, 2016, at 6:49 AM, Starlight Solar Power Systems <
>> larry at starlightsolar.com> wrote:
>>
>> Hey Jay,
>>
>> I’m still trying to picture this and had a thought: If you isolate the
>> module from the rack electrically with these washers, and both are
>> grounded, and the two grounds are not at the same potential (different
>> length ground runs), you may be creating a path for high voltage into the
>> array in event of a near lightning strike.
>>
>> Also, if the washer is between the two metals, how will you isolate the
>> bolt that puts them together from not touching the sides of the holes?
>> Perhaps you need to look into non-conductive fasteners as well.
>>
>> Larry Crutcher
>> Starlight Solar Power Systems
>>
>>
>>
>>
>> On Jan 27, 2016, at 6:44 PM, Jay <jay.peltz at gmail.com> wrote:
>>
>> Ok here is the long form.
>>
>> Customers system is in Mexico, Baja. So I'm not concerned about legal
>> issues.
>> It is a custom racking design to fit his house.
>> Flat concrete roof,low tilt design with extra heavy duty engineering for
>> hurricanes. Easy access for future MX of all fasteners
>> Owner lives on his own island in the South Pacific.
>> This is his 2nd ( more?) house.
>>
>> He wants this. I've told him all of what you all and have said including
>> that there will need to be future mx to check bolt tightness.
>>
>> I am going to do it for him.
>> Thanks for all the advice on where to get look for the parts he's looking
>> for.
>>
>> Jay
>>
>> Peltz power.
>>
>>
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