Hi Dana, We had to do this very thing for a project some years ago. I searched extensively for a product that could allow us to attach directly to the top skin of a SIP panel without having to use blocking or through fasteners. We ended up using an attachment made by EcoFasten Solar. It uses a steel plate with a number of screws (8, I think) that collectively create the required pullout resistance. They had engineering to support using the product on SIPs, which was awesome.
A quick look at their website shows that they still make a SIP-specific attachment. Their flashing isn't ideal for Pro-panel, but I would think that you could make it work. -Luke > On Dec 16, 2015, at 16:45, Dana <d...@solarwork.com> wrote: > > SIP ROOF INSTALLATION > > I was asked to install on a SIP panel roof today. 5/8” OSB over 6” of foam on > a 9:12 roof pitch at 9800’ elevation with a Pro panel metal roof skin. There > is a finished ceiling underneath the lower side of the SIP roof panel. > I explained that it was not ideal due to the lack of good attachment etc. > They were not concerned and said “you’ll make it work!” > > I have done SIP panels in new construction and we could install backing from > underneath and refoam. > My first thought was to do 2-2.5 times the normal L feet. > One thought was to use expanding moly-bolts. > > Has anyone have experience attaching to SIP roof that was not prepared for an > array? > > ---------------------------------------------------------------------------- > Dana Orzel > Great Solar Works, Inc - NABCEP # 051112-136 > E - d...@solarwork.com - Web - solarwork.com > O - 970.626.5253 C - 208.721.7003 > "Responsible Technologies for Responsible People since 1988" > P Please consider the environment before printing this email. > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org >
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