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Advice on Painting Over a Fiberglass Gel Coat


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Old 08-04-2018, 01:32:51 PM
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Default Advice on Painting Over a Fiberglass Gel Coat

Bought a new Fox Mountain 5th wheel in 2015. The dummies used a dark brown gel coat on the nose piece. It draws heat like crazy. I want to have it painted a light tan close to the smooth sides. Any recommendations on type of paint tat will last and any prep precautions?
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Old 08-07-2018, 08:08:46 PM
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Default Re: Advice on Painting Over a Fiberglass Gel Coat

Interesting. We paint gelcoat a lot at the shop. We paint boats, but the process is the same, First repair any defects, crack's get dremmeled out, filled with a epoxy/cabosil mix the consistency of peanut butter. If the repair area is a bigger crack that goes in to the fiberglass, grind out the area, feather back at least 1" beyond the repair area, and glass back in. build it up with enough layers so it's as close to level as you can, then finish with a very small amount of filler. Sand with 80 grit, prime and double check for defects. touch up as needed.
We use Awlgrip boat paint, but I's bet an automotive paint would be fine also. I did my pontoon with tractor paint, seems to be holding up well. A good source for reference on fiberglass, gelcoat, and paint on glass, is I-boats.com.
Go to the forums, and scroll down to the restoration section, read the sticky's at the top of that forum. Good luck!
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Old 08-07-2018, 08:44:38 PM
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Default Re: Advice on Painting Over a Fiberglass Gel Coat

Shouldn't be any different than painting a Corvette.
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Old 08-07-2018, 11:32:26 PM
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Default Re: Advice on Painting Over a Fiberglass Gel Coat

Quote:
Originally Posted by J.B. Castagnos View Post
Shouldn't be any different than painting a Corvette.
Not lucky OR Rich enough to own one, let alone restore one. I would want a split rear window.
I am a BIG believer in surface preparation. I only want to do this once. My "Fear" is that I am not set up no quite have the skill set to do this. I have to rely on hopefully "Someone" who will do the job right.
So let me ask you guys this, What type of paint is the best to stick and last? My trailer IS stored in a shed when not in use.
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Old 08-08-2018, 07:16:56 AM
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Default Re: Advice on Painting Over a Fiberglass Gel Coat

Automotive paint. It's held up well on cars.
Even Corvettes...lol
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