[RE-wrenches] Plastic washers

[Jason Szumlanski]

If you are going to do it, have you considered EPDM washers instead of
plastic? Just a thought... I still wouldn't do it unless expressly endorsed
by the manufacturer and/or engineer, but EPDM seems like a better option
for longevity.

​Jason​



On Wed, Jan 27, 2016 at 8:44 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.
>
>
>
>
>
> On Jan 27, 2016, at 8:56 AM, Kurt Johnsen <kjenergysystems at gmail.com>
> wrote:
>
> Jay,
>
> There is the consideration of voiding any engineering that is being relied
> on for your protection. If there is a failure telling the judge that you
> followed the homeowners instructions is not going to get you off the hook.
>
> Kurt
> Kurt Johnsen Energy Systems
>
> On Wed, Jan 27, 2016 at 9:43 AM, Peter Giroux <pgiroux at mindspring.com>
> wrote:
>
>> Jay
>>
>>     Please keep in mind that those plastic / synthetic washers have a
>> high probability of deteriorating over the next several years creating a
>> new set of issues.
>>
>> Peter
>> American Solar
>>
>> ----- Original Message -----
>> *From:* Conrad Geyser <conradg at cape.com>
>> *To:* RE-wrenches <re-wrenches at lists.re-wrenches.org>
>> *Sent:* Wednesday, January 27, 2016 9:36 AM
>> *Subject:* Re: [RE-wrenches] Plastic washers
>>
>> Jay,
>>
>> I would suggest that he has a point, that the dissimilar metals do have a
>> reaction.  But that the reaction is self limiting and that stainless
>> fasteners with aluminum are used in marine applications albeit only with
>> anodized aluminum.  Or say fine and invoice accordingly for the plastic
>> washers.
>>
>> Conrad
>> Cotuit Solar
>>
>>
>>
>>
>> Conrad Geyser, Principal
>> Cotuit Solar LLC
>> 508-428-8442
>>
>> On Wed, Jan 27, 2016 at 8:02 AM, Jason Szumlanski <
>> jason at floridasolardesigngroup.com> wrote:
>>
>>> Another engineer, eh?
>>>
>>> I'd say no... Tell him to find another installer. 50 million Elvis fans,
>>> I mean PV installations, can't be wrong.
>>>
>>> Ask him if he brings his own scissors to the hairdresser? That's my
>>> favorite line.
>>>
>>>
>>> Jason Szumlanski
>>>
>>>
>>> On Wed, Jan 27, 2016 at 12:37 AM, Jay <jay.peltz at gmail.com> wrote:
>>>
>>>> Hi all
>>>>
>>>> I've got a client who insists on "plastic " ( synthetic) washers
>>>> between SS washers and the aluminum racking and modules.
>>>>
>>>> I'm tried every angle to assure him it's not a problem to no effect.
>>>>
>>>> So anybody have any recommendations about type, material, and where to
>>>> buy?
>>>>
>>>> Thanks
>>>>
>>>> Jay
>>>> Peltz power.
>>>>
>>>>
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