SIPs [RE-wrenches]

Penobscot Solar penobscotsolar at midmaine.com
Thu Aug 17 13:16:48 PDT 2006



Hi all,
   I am working on an estimate to install a +/- 4 kw array on a stress
skin type panel roof. It is composed of 1/2" Avantek sandwiching 9" of
foam insulation. It is already roofed.
   My thought was to manufacture some 4" wide steel stock for both the top
and underside of the roof. I would use use stainless steel or
galvanized threaded rod to penetrate the standoffs/feet, top steel
plate, through the Avantek and foam through to the other side,
penetrating the Avantek and steel plate on the inside (storage space
above the garage). I would use 1/2 threaded rod.
   Does anyone have experience with this? Should I walk away from the job
for liability reasons?
Thanks for any comments,
Daryl
Penobscot Solar Design
NABCEP Certified installer


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