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Old 11-22-2015, 06:16 PM   #1
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Roof mounting Solar Panels on Class C

I thought I did a topic back before I bought my Forester, but must have deleted it or maybe I'm having a senior moment. Anyway, now that I've had the MH for a few months and made a few trips, I'd like to ask if any Forester or Sunseeker owners have added roof top solar panels. The roofing material on mine is kind of ribbed/dimpled and not a smooth surface. So I wonder about using 3M adhesive tape or such,, or is drilling and screwing a better method. It has been suggested to route the cable down the fridge vent, but mine is opposite where the house batteries are. That probably means routing cable underneath to the step compartment.
I currently have a Renogy 100 watt solar suitcase which does a fine job when I use it. But I am always worried it will grow legs so I only use it when I'm around. I want to have the batteries charging all the time when sunlight is available.
I would like to mount 200 watts of panels and use a 20 or 30 amp controller.
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Old 11-22-2015, 06:38 PM   #2
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Found Renogy kit on sale next week

Found that Renogy will have a 15% off sale on Cyber Monday and the 200 watt kit with the upgraded 30 amp controller (OPTION 2). This may be the one! Easily expandable too!
200 Watt 12 Volt Monocrystalline Solar RV Kit | Renogy Solar
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Old 11-22-2015, 08:36 PM   #3
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The ones I had were installed on AC shroud from factory
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Old 11-22-2015, 09:35 PM   #4
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Boso, can you post a photo and how large are they?
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Old 11-23-2015, 12:32 PM   #5
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Check out my post/pictures, my roof looks like yours I think

Solar question....
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Old 11-23-2015, 02:16 PM   #6
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Roaddiva, how are they mounted and did you leave air space below?
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Old 11-23-2015, 02:38 PM   #7
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I used extra strength double sided tape (read through the thread if you have time), works great. There is a small gap on the outside edge of both panels due to my roof is not flat. I will be putting weather stripping in those gaps.
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Old 11-23-2015, 03:11 PM   #8
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Quote:
Originally Posted by Sagecoachdriver View Post
I thought I did a topic back before I bought my Forester, but must have deleted it or maybe I'm having a senior moment. Anyway, now that I've had the MH for a few months and made a few trips, I'd like to ask if any Forester or Sunseeker owners have added roof top solar panels. The roofing material on mine is kind of ribbed/dimpled and not a smooth surface. So I wonder about using 3M adhesive tape or such,, or is drilling and screwing a better method. It has been suggested to route the cable down the fridge vent, but mine is opposite where the house batteries are. That probably means routing cable underneath to the step compartment.
I currently have a Renogy 100 watt solar suitcase which does a fine job when I use it. But I am always worried it will grow legs so I only use it when I'm around. I want to have the batteries charging all the time when sunlight is available.
I would like to mount 200 watts of panels and use a 20 or 30 amp controller.
Before I bought my Sunseeker, I was planning to use 3M tape to attach solar panels to the roof of the RV I would eventually buy. I was a bit disappointed that the SS roof is textured, and therefore not a good candidate for tape. I have since researched the subject and found many instances of people using 3M 5200 Marine Adhesive Sealant to attach the solar panel standoff brackets to the roof. 5200 is a serious adhesive, used for below waterline applications. It is extremely tenacious and is permanent. From what I've read, aerodynamics will send most of the wind's force above the roof, leaving the panels mostly unaffected so you shouldn't need to use screws. Of course some screws in the front set of brackets could give some peace of mind.

Here's a link to one discussion I found on the subject:
RV SHRINK, Common Sense Peddler: Stuck on Solar

There has also been some discussion on iRV2.com
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Old 11-23-2015, 06:40 PM   #9
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I have a 3100SS with 305 watts of panels on the roof. I drilled and screwed the panels to the roof using Dicor between roof and bracket and then over screws. Same as the roof vents are. Ran the wires down refer. chim. to controller then to bats. Has been fine for 3 years so far.
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Old 11-23-2015, 11:25 PM   #10
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Here is the one my dealer installed - 160 watts.
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