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Old 06-04-2021, 02:57 PM   #1
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Tiffin Owners Club
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Mounting Solar Panels to Unistruts/Rails?

I plan to install solar on my 2016 Class A rig later this summer and I was wondering if anyone has mounted their solar panels on unistruts/rails? It seems to me that I could get away with fewer screw-down points on the roof if I used unistruts and it would give me more flexibility if I had to change out a panel or if I wanted to add tilting brackets in the future. Whatever the solution, I would configure it so there was about 2” of airflow gap below the panels to help keep them cool.

So, what is your opinion on the use of struts/rails vs bolting the panel brackets directly to the roof?
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Old 06-04-2021, 03:00 PM   #2
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Check out the AM solar website, they have excellent how to videos. Jon
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Old 06-04-2021, 05:14 PM   #3
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Some folks use rails to raise the panels up over vents as well as get them above the raised sides. Some larger class A coaches have the awnings built into the roof line with raised sides on both sides.
Mounting solar panels to a rail system allows more panels and reduces shadows.

However, mounting solar panels to raised rails can greatly increase the cost of a system and I'm not sure it would reduce screw points.
I used aluminum Z brackets duplicating the factory mounted panel that came on our coach. A set of Z brackets was only $10.
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panel, solar, solar panel, solar panels

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