[RE-wrenches] Steel Trusses

[James Rudolph]

Aloha Chad,
We have had some success with product in the past. This one may not fit the
right application, but i believe they have others as well.


http://www.ejot-usa.com/products/solar-fastening-systems/for-exposed-fastener-metal-roofs/jz3-for-steel-substructures

[image: Inline image 1]

On Mon, Jun 6, 2016 at 1:36 PM, Peter Giroux <pgiroux at mindspring.com> wrote:

> Chad
>
>   I second August. We have had great success with self tapping screws. Put
> some butyl on the L-foot and set it in.
>
> thx
> peter
>
> ----- Original Message -----
> *From:* August Goers <august at luminalt.com>
> *To:* RE-wrenches <re-wrenches at lists.re-wrenches.org>
> *Sent:* Monday, June 06, 2016 6:44 PM
> *Subject:* Re: [RE-wrenches] Steel Trusses
>
> Hi Chad,
>
>
>
> We’ve occasionally installed onto steel trusses with either self drilling
> screws (no pilot required) or thread forming screws (pilot hole required).
> See attached sample spec sheets.
>
>
>
> I suppose you could install a standard tile hook type product with the
> types of fasters I listed above. Or, hire a roofer to waterproof your
> stanchions and reinstall the removed tiles. More and more, we are moving
> towards the latter because we’ve bumped into issues with degrading
> underlayment (felt paper) under tile roofs.
>
>
>
> Best,
>
>
>
> August
>
> Luminalt
>
>
>
> *From:* RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] *On
> Behalf Of *Chad Waits
> *Sent:* Monday, June 06, 2016 3:15 PM
> *To:* RE-wrenches
> *Subject:* [RE-wrenches] Steel Trusses
>
>
>
> Wrenches,
>
>
>
> Anyone out there have any experience attaching arrays (from the topside)
> to roofs with steel trusses under plywood decking? We’ve got a new project
> that has steel trusses and we would prefer to not have to spend time in the
> attic bolting through  (it was 113 degrees here today)… Is there a
> fastening system out there that anyone has experience with?
>
>
>
> Oh, the roof is composite/strengthened clay tile as well.
>
>
>
> Thanks!
>
>
>
> Chad Waits
>
> President/Owner – Net Zero Solar
>
> 101 W. 5th St., Tucson, AZ  85705
>
> Office: 520-207-4053
>
> Cell: 520-270-4873
>
> NABCEP Certified PV Installation Professional
>
> NABCEP Certified Solar Heating Installer
>
>
>
>
>
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-- 

*James B. Rudolph*
*Haleakala Solar*
*Director of Construction*

*NABCEP Certified PV Installer # 091209-155*
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