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Open Roads Forum  >  Do It Yourself Modifications and Upgrades (DIY)

 > Question about solar panel rack.

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EMD360

Arvada, CO

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Posted: 08/26/21 11:45am Link  |  Quote  |  Print  |  Notify Moderator

My new solar panels came today! I waited until they arrived to determine how to mount them. I have been considering a rack from side to side of our class c Winnie 25b.
The panels are 59 x 26 and I thought I’d bolt them to an aluminum rack screwed to the edges of the roof.
[image]
I’m thinking of using aluminum angle and brackets.
I am trying to avoid screw holes in the roof.
The panels bolt from the bottom. Cannot drill more holes or the warranty is voided.
[image]
I have plenty of room near the refrigerator vent where I intend to run the wires.
[image]
I’m thinking one panel support between the air conditioner and the refrigerator vent and one shared in the middle or two sets of two. I also considered aluminum extrusion.
Any advice?


2018 Minnie Winnie 25b New to us 3/2021
Former Rental Owners Club #137
2003 Itasca Spirit 22e 2009-2021


jdc1

Rescue, Ca

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Posted: 08/26/21 11:58am Link  |  Quote  |  Print  |  Notify Moderator

Just use 1-2" wide aluminum L brackets, long enough to keep the panels off the roof to vent. Keep it simple. You only need 4 per panel.

Lwiddis

Monterey, California

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Posted: 08/26/21 12:00pm Link  |  Quote  |  Print  |  Notify Moderator

A warranty on the roof of a 2018 Winnie? Interesting.

Yes, skip the rack. I've had my panels screwed to the roof for three plus years now...no leaks. I use Heng's annually over the Dicor I used when installing the panels.


Winnebago 2101DS TT & 2020 Chevy Silverado 1500 LTZ Z71, 300 watt solar-parallel & MPPT, Trojan T-125s. TALL flag pole. Prefer boondocking, USFS, COE, BLM, NPS, TVA, state camps. Bicyclist14 yr. Army vet-11B40 then 11A - (MOS 1542 & 1560) IOBC & IOAC grad


RickLight

Washington

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Posted: 08/26/21 08:28pm Link  |  Quote  |  Print  |  Notify Moderator

I saw a video using Unistrut as a base frame. Standard 1 5/8" or the shallow stuff would be my choice.
www.unistrut.us


Rick,

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Vintage465

Prunedale CA.

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Posted: 08/27/21 08:31pm Link  |  Quote  |  Print  |  Notify Moderator

I think the regular brackets that come with the panels are sufficient. If you wanted to go the extra mile you can make sure you get at least one hold down screw into a rafter/trust or some substantial wood. Or you can also use "well nuts" that actually work like a rivet in the plywood when the hold down bolt is cinched up. Putty tape or non leveling goo under the bracket and self leveling sealant over the top. Don't think you'll have any problems of any kind.


V-465
2013 GMC 2500HD Duramax Denali. 2015 CreekSide 20fq w/450 watts solar and 465 amp/hour of batteries. Retired and living the dream!

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Open Roads Forum  >  Do It Yourself Modifications and Upgrades (DIY)

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