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Old 03-04-2015, 02:56 PM   #1
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Solar Panel Mount to Rubber Roof

I just puchased a 300W Renogy solar charging system with 40A MPPT charge controler. I havent decided how to mount the 3 100W aluminum frame solar panels with Z-Bracket mounts to the rubber roof of my 2013 Leprechaun. I've seen it done with wood screws, rubber well nuts, and glue on mounts. Does anyone have any experience with this or mounting recommendations?


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Old 03-04-2015, 08:01 PM   #2
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Yes, here's what I did...dang pictures flipped when I uploaded them. Basically I drilled thru the roof and inserted the anchors. Add a wad of sealant under the hinge and tighten. Sealed the top with lots of dichor. Been a bunch of years now no problems.....ok the pix didn't flip upside down.
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Old 03-04-2015, 08:27 PM   #3
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Nice idea and install. Thanks for the info. I like those hinged mounts.


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Old 03-05-2015, 05:45 AM   #4
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Thanks. The hinges make for easy angle adjustment, although I don't do so during a trip. Never needed to, I have plenty of capacity. At home I angle them to prevent standing water.

On another note, I just realized how filthy the roof was when i took the pix.
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Old 03-05-2015, 08:26 PM   #5
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RPAspey, do you have any close up pictures of the hinges and mounts? I have been looking at different ways to be able to angle the solar panels (haven't install yet, to cold here in Canada). What did you use for prop rods? thanks.
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Old 03-05-2015, 09:23 PM   #6
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well, yes, somewhere..

Quote:
Originally Posted by dreamin533 View Post
RPAspey, do you have any close up pictures of the hinges and mounts? I have been looking at different ways to be able to angle the solar panels (haven't install yet, to cold here in Canada). What did you use for prop rods? thanks.
I did take pictures during the build process, but can't seem to find the specific pictures of the hinge. I basically used aluminum 3" x 3" x 3/16" for the base. I then removed the pin from the galvanized hinges and bored out the pin to 1/4". The pin was replaced with a removable pin from a farm parts store. The assemble was loosely assembled with stainless bolts. The hinges were then bolted to the aluminum frame of the solar panels and laid on the roof. Holes marked and the roof anchors installed. Once the base was tightened to the roof, I carefully tightened the bolts that hold the hinges to the aluminum angle (by waiting, the pins are easier to remove as they align properly)

Here is a link to most of the pictures I took during the process:
Solar Panel Installation - RPAspey


Oh, the rods are simply 1/4 plated steel rods from a hardware store.
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Old 03-05-2015, 09:30 PM   #7
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I used four ss brackets for each panel. Each bracket is secured to the roof with 2 1inch ss hex head screws, covered in goop (dicro sealant). I have pics of the install but I still have to sort them.
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Old 03-06-2015, 08:25 AM   #8
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RPAspey, thanks for including the pictures. I never considered just using stainless rods to hold the panels at different angles. From the pictures you did an excellent job. I just hope my installation turns out as good. Thanks again.
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Old 03-06-2015, 11:51 AM   #9
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Like I mentioned, I don't angle them during a trip. I actually made rods with specific lengths to give me the right angle for the latitudes we generally camp at. Never used them.
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Old 03-13-2015, 08:17 PM   #10
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Well I mounted my solar panels today. First I tried the snaptoggles but there was so much insulation in the ceiling that I couldn't get it to work. Luckily the holes I drilled were 1/2" so I was able to go back to plan A which was 1/2" X 3/4" rubber well nuts with 1/4-20 brass nuts. They worked great. They all tightens up well and those panels aren't going anywhere. Of course I used plenty of Dicor to seal everything up. I'll start wiring them on Monday. This weekend is for my favorite hobby... Metal detecting. Click image for larger version

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