Hole in roof where solar wire enters body - Fiberglass RV

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Old 07-27-2014, 02:25 PM   #1
Junior Member
Name: Kara
Trailer: Trillium
New York
Posts: 5
Hole in roof where solar wire enters body

I bought a 2014 Trillium from Great West Vans (dealer in Bay Area of Ca). Moved cross country to NY - first rain flooded inside of trailer. No help from dealer. Discovered hole the size of my pinky finger in roof where solar wire feeds in. Wire has flimsy plastic sheath around it - hole is a bare hole that just looks drilled into the fiberglass. (In a water run-off trough no less)! Obviously they forgot to add something and overall seems like poor planning. I am wondering how to fix this. Can I seal with Dicor around the wire?

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Old 07-27-2014, 05:02 PM   #2
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Name: Norm and Ginny
Trailer: Scamp 16
Posts: 7,070
Cap it with a thru hull boat fitting. I'll post what I used. We have used this for 3 years without issue, I painted the cap white before installing to protect it from UV.

The Lexan makes a great seal.

Thru Shell Fitting

Norm and Ginny

2014 Honda Odyssey
1991 Scamp 16
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Old 07-27-2014, 08:05 PM   #3
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Name: bob
Trailer: 1984 u-haul ct13; 1996 Casita 17 Spirit Deluxe; 1946 Modernistic teardrop
New York
Posts: 3,698
I would at least use a rubber grommet with some type of sealer, I like the Proflex. Our Uhaul had a grommet where the solar wire came through and never leaked. I have a coffee can full of grommets, although try and find the right size!!
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Old 07-28-2014, 05:55 PM   #4
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Name: Kara
Trailer: Trillium
New York
Posts: 5
Thank you so much! I will be working on this this week
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Old 07-28-2014, 06:58 PM   #5
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Name: Jon
Trailer: 2011 Escape 17B
Oswego, NY
Posts: 1,275
While this may not be the same manufacturer, this is what Escape uses for their solar feed throughs as well as for the wire from my outside cell antenna. They use Dicor between the fitting & the trailer as well as a filler around the wire.
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Old 07-28-2014, 08:17 PM   #6
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Name: deryk
Trailer: 2012 Parkliner 2010 V6 Nissan Frontier 4x4
New Jersey
Posts: 2,086
Kara, this is what I used while installing the wires through my roof for my solar panel My ParkLiner has got Solar! I got it from a local boating store. I'm pretty confident it wont leak for a long time since its designed for marine installations.


All that is gold does not glitter, Not all those who wander are lost; The old that is strong does not wither, Deep roots are not reached by the frost.... J.R.R. Tolkien
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