[RE-wrenches] SIPS panel roofs

[Will White]

We’ve also used the ECO-65 which works great but the problem with your roof will be flashing.  The roofs we installed on were asphalt so we could use the flashing.  It’s going to be hard to seal a ECO-65 plate on a metal roof.


Will White
Director of Construction – East Coast
RGS Energy


64 Main St. |Montpelier, VT 05602
tel 802.223.7804 | mobile 802.234.3167 | fax 802.223.8980

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From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Luke Christy
Sent: Wednesday, December 16, 2015 9:45 PM
To: re-wrenches at lists.re-wrenches.org
Subject: Re: [RE-wrenches] SIPS panel roofs

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 <dana at solarwork.com<mailto:dana at 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?

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