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Old 06-28-2015, 01:20 AM   #1
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Adding roof top solar panels to Forester or Sunseeker

Did a search for this topic with only trailers coming up. I believe the Forester and Sunseeker come with fiberglass roofs. From the looks of the pamphlet on them it has thin fiberglass over luan, over foam,over ceiling material. There is 1.5" tubular aluminum framing across the top but looks hard to find and screwing into it may weaken it. Has anyone actually mounted solar panels on this style roof? Someone in one of the related topic said glue???
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Old 06-28-2015, 01:54 AM   #2
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There are any number of adhesives that would work on a fiberglass roof. 3M VHB tape is used quite often, 3M-4200 or 5200, sikaflex 252, and more. VBH is used quite a bit because it is so easy to work with (strip tape). Many will use only adhesive while others will use a single ss screw at the 4 corners or at least on the end facing oncoming air. Some will dicor over the mounts for added adhesion.

It's mostly just what you feel comfortable with and how permanent you want your mounting brackets to be.

I would do a little reading on a couple three different products and see what resonates with you. Personally, I screwed and dicor's my mounts, but I know more than a few folks that only used VBH and have never had an issue.
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Old 06-28-2015, 02:14 AM   #3
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Yarome, do you have a class C with the fiberglass roof?
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Old 06-28-2015, 02:30 AM   #4
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Originally Posted by Sagecoachdriver View Post
Yarome, do you have a class C with the fiberglass roof?
I've never owned a class c, however, when I had my class A it had a fiberglass roof. My respond was directed toward fiberglass roof installations.
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Old 06-28-2015, 02:38 AM   #5
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For the most part, looking at the various options, it's a matter of deciding how permanent you want your panels to be. Do you want to be able to remove and/or relocate your panels? Do you want the strongest bond possible with no intention of every removing your panels? Are you concerned about catching your panels on something and having them ripped off? If so, you probably don't want to use screws which may cause more damage to your roof. Do you spend a lot of time in areas of the country where tornado's or severe winds are a concern? If so, you may want to use screws.

See what I mean?
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Old 06-28-2015, 12:28 PM   #6
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Quote:
Originally Posted by Sagecoachdriver View Post
Did a search for this topic with only trailers coming up. I believe the Forester and Sunseeker come with fiberglass roofs. From the looks of the pamphlet on them it has thin fiberglass over luan, over foam,over ceiling material. There is 1.5" tubular aluminum framing across the top but looks hard to find and screwing into it may weaken it. Has anyone actually mounted solar panels on this style roof? Someone in one of the related topic said glue???

I have a 2015 2300 sunseeker. I put two 115w panels on top. I would suggest using Wallnuts (rubber doodads with screws). I used 2" x1/8 x 36 aluminum angle. Put silicone (for aluminum) under the angle, particularly around holes. Used plastic conduit for looks and protection. Ran wire down fridge space. Had to drill one hole to get into the cabin. Mounted controller on cabinet by entry door. Less convenient for monitoring perhaps but minimized work. Worked for me.
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Old 06-28-2015, 12:47 PM   #7
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I installed a Renogy 100 watt on our Solera (fiberglass roof class"C"). I doubled up on the mounting brackets (8 instead of 4) and used Dicor with stainless screws. No issues. Posted at the time (February 2014):
Solar system installed
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Old 06-28-2015, 01:16 PM   #8
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Maybe industrial strength Velcro would work. I used it to hold down a roof vent that had broken off its hinges, and it stayed on during travel near 65mph and severe thunderstorms. I used
Robot Check
from Amazon. I also use it to hold up light strips inside the MH. Great stuff!
You could add screws at the ends of the strips to secure them further. Flexible (marine) solar panels would be easier to work with also.

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Old 06-28-2015, 01:19 PM   #9
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Very nice installs guys. I currently have a Renogy 100w suitcase with only a 10amp controller, but it's the expensive digital Viewstar.
So this is definitely do-able when we get the Forester 2701DS. I will probable get a special mount so I can tilt the panels either way. Will use 3M VHB tape along with at least 4 screws and lots of Dicor, then run the tray down the fridge vent. Not sure where I will put the controller or how it will hookup to the batteries. I think there is a compartment directly under the fridge, perhaps there.
I have a Xantrex battery monitor in my class C Minnie, but I will move it over to the new Forester when we get it. I don't want to clutter up the entry with all kinds of gadgets. Plus it look like a lot of bending to get to them.

Just realized my fridge is on the driver's side and not by the steps where the batteries are. Also the DW says there is no way I am drilling or screwing anything into the roof and possibly voiding the warranty.
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Old 06-28-2015, 01:55 PM   #10
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Be VERY careful using 3M 5200! That stuff is forever!
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