[RE-wrenches] Goofy roofing

Glenn Burt glenn.burt at glbcc.com
Sat Jun 10 12:38:21 PDT 2017


Mudge Fasteners.

-----Original Message-----
From: "penobscotsolar at midmaine.com" <penobscotsolar at midmaine.com>
Sent: ‎6/‎10/‎2017 13:52
To: "Jerry Caldwell" <solarcowboy at yahoo.com>; "RE-wrenches" <re-wrenches at lists.re-wrenches.org>
Subject: Re: [RE-wrenches] Goofy roofing

These guys sell all sizes:

https://www.buyrailings.com/product/hanger-bolt-316-stainless-steel-m8-x-2-each-/5368?gdffi=a1d228a0145c40b2b64b7bf62559eafa&gdfms=A2FA3E88DA104CFB950485A2F169884A&keyword=&gclid=CNmksPTrs9QCFQpMDQod7S0LYA

Daryl


> Dear Wrenches,
> Can anyone direct me to a source for stainless hanger bolts without going
> through a solar distributor?  I remember around 15 years ago a supplier
> up in the Seattle area, but now cannot find them.  Any help is
> appreciated.
> Cheers,Jerry Caldwell
>
>     On Tuesday, May 3, 2016 6:43 AM, August Goers <august at luminalt.com>
> wrote:
>
>
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> div.yiv0732425331WordSection1 {}-->Bill –  So it sounds like you have
> a corrugated metal roof installed by a handyman over an existing comp
> shingle roof? It might be wise to get your building department
> planchecker or inspector involved at this point since it sounds like you
> have a potential code violation. Adding PV to an already shotty roof
> setup will just compound problems down the line. That said, if you
> can’t trust the purlins (or what I think you are referring to as 1” x
> 4” stringers) to be structural members, then I suppose you could
> install long hanger bolts all the way through the metal roof and into the
>  rafters? You could use a double jam-nut setup to mount your racking.
> Just an idea, but it is not an ideal situation.  Good luck out
> there! Best, August From: RE-wrenches
> [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of frenergy
> Sent: Saturday, April 30, 2016 7:47 AM
> To: RE-wrenches
> Subject: Re: [RE-wrenches] Goofy roofing Benn, August, etc       
> Sorry for omitting a somewhat crucial detail....below these stringers it
> is a "standard" residential stacked roof with 2X6 rafters on 16" centers
> with 1/2 " plywood deck. No purlins.  I appreciate the feedback/good
> ideas.BillFeather River Solar Electric On 4/29/2016 3:28 PM, August Goers
> wrote:
> Benn, We’ve done it several ways including putting four 14 x 1.5”
> TYPE 17 screws per attachment point through the metal and into the 1” x
> wood purlin. The key is that the load path all the way down needs to be
> capable of handling the worst case loads. So we had to check that too.
> Some racking manufactures such as Unirac have online calculators to give
> point loads.  Best, August From: RE-wrenches
> [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Benn
> Kilburn
> Sent: Friday, April 29, 2016 2:17 PM
> To: RE-wrenches
> Subject: Re: [RE-wrenches] Goofy roofing August, et al;If the purlins are
> only 1"x4" or 1"x6" or....1"x anything, are you only relying on the 1"
> purlin as the attachment point or are you hitting the vertical trusses
> below the purlins? We are working on a corrugated roof right now and
> using a Schletter roof bracket. The name of it escapes me at the moment.
> Maybe FixT?  We are attaching to purlins which are 2"x6".  I wouldn't
> think 1"x anything would provide enough pull-out?Benn KilburnSkyFire
> Energy Inc. 780-906-7807 
> On Apr 29, 2016, at 9:09 AM, August Goers <august at luminalt.com> wrote:
> Hi Bill, It sounds like you’re talking about a purlin type setup –
> 4’ sounds a little far apart but I guess that’s what you have to deal
> with. If you have a corrugated metal roof, we’ve used S-5 CurruBrackets
> screwed through the metal and into the purlins and then either run the
> solar rail up and down the roof or install a sub-rack system (with strut
> or angle aluminum) perpendicular to your solar rail.  Best, August
>  From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On
> Behalf Of frenergy
> Sent: Friday, April 29, 2016 6:55 AM
> To: RE-wrenches
> Subject: [RE-wrenches] Goofy roofing Recently, a customer had a metal
> roof (not standing seam) installed by a "handyman".  Pretty clean
> installation however for some reason he ran 1X6 stringers across the
> roof  on the 1/2" plywood deck spaced about every 4 feet (as you go from
> ridge to eaves).  Of course the roofing screws are at the stringers. 
> I'm sure he had a great reason for doing so.  So now I have been asked to
> install an array on this roof.  You can feel how "soft" the roof is as
> you walk on it of course because you are walking on air-below-metal for
> most of the roof.  Stringer locations don't jive with possible feet/post
> locations for rail.  I'm usually pretty good at problem solving but I'm
> accepting ideas.BillFeather River Solar Electric           
> Bill Battagin, Owner4291 Nelson St.Taylorsville, CA 95983530.284.7849CA
> Lic 874049www.frenergy.net
>
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> -- Feather River Solar Electric            Bill Battagin,
> Owner4291 Nelson St.Taylorsville, CA 95983530.284.7849CA Lic
> 874049www.frenergy.net_______________________________________________
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