[RE-wrenches] PV On Corrugated Metal Roof on Steel Building
North Texas Renewable Energy Inc
ntrei at 1scom.net
Sat Dec 25 15:24:20 PST 2010
Jason
the Ejot Solar Fastener is designed for trapazoidal standing seam rib profiles like you may be up against on this roof. The only drawback is that the m8x1.25 [.312"] self-tapping lag standoffs are not self-drilling. This makes for an extra step in the process requiring an aligned pilot hole to allow the threads to be formed properly. And though they don't show a jam nut on the underside against the purlin, it would probably be a good idea to use one.
http://www.ejot.com/ejot.de/Der_EJOT_Solarbefestiger_ist_keine_Stockschraube_Bau_2011--5816,websiteLang__en.htm
Jim Duncan
North Texas Renewable Energy
NABCEP Certified Solar PV
Installer No.31310-57
TECL 27398
ntrei at 1scom.net
On 12/22/2010 10:01 AM, Jason Szumlanski wrote:
We are working on a contract to put PV on a steel building with a corrugated metal roof. The corrugated metal is not a problem – we have solutions for that. I am wondering about how to best attach to the structural members.
For an idea of what we are up against, see: http://www.fafcosolar.com/download/349/IMG_0828.JPG
Any suggestions for attachment methods?
Jason Szumlanski
Fafco Solar
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