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Old 12-03-2022, 11:06 AM   #1
Montana Fan
Join Date: Nov 2010
Location: Chatsworth
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M.O.C. #10933
Dull trailer finish

We have a 2017 Legacy, which we use about 5 mo a year primarily in the SW and Baja Mexico. Every year I go over the finish with cleaners and waxes of high quality. Every year it gets harder because of the amount of oxidation. I know it's the sun causing this because we have solar panels and therefore face the same side to the south and that side is the worst for the oxidation and then the same side faces south in our storage spot on our property.The question is, is there a permanent treatment that can be added professionally to stop the oxidation and protect the trailer finish for a 5 yrs old trailer?
Gayle and John Devall
2017 Legacy 3720 IS and Disc brakes
1120 watts solar panels and 300 AH lithium batteries
2011 Ford f350 srw long box Lariat with B&W Patriot hitch. Residential Fridge.
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Old 12-04-2022, 06:09 AM   #2
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Location: Jacksonville
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M.O.C. #25165
AFAIK, there is no "permanent" treatment for oxidation, however there are some that work much longer than others. A ceramic coating could provide several years of protection, but to get the best results would need to be applied by a professional.
I recently bought a buffer and ceramic system from Griots Garage for that very reason. The protection is supposed to last up to a year. I haven't had time to get that done yet, but I'll let you know how it goes. I plan to use it on both of our daily drivers too.
Robert & Diana McNeal
2019 Montana Legacy 3791RD 20th Anniversary Edition
2014 F350 4x4 6.7L SRW
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Old 12-04-2022, 07:02 AM   #3
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M.O.C. #2283
I have a ceramic coating on my truck. It’s warranted for 9 years. It’s been on for 2 years and still looks great. It was professionally installed. They had two grades a 5 year and 9 year grade. My truck stays cleaner than before but at $900 it would be very expensive for a camper. You can buy it but I understand it’s not the same grade.
Lynwood Harrell
323 RL HC 2008 F250
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Old 12-07-2022, 11:29 AM   #4
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Location: Gardnerville
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M.O.C. #17163
I use a Dewalt Polisher with a wool pad... It takes the oxidation off and brings the shiny GelCoat back... For this reason I wish they made the sides and roof aluminum again....
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Old 12-08-2022, 01:04 PM   #5
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Join Date: Sep 2014
Location: Wenatchee
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M.O.C. #14662
I had a Duratain finsh put on mine that was guarantied for 5 years - lasted 10. made removing black streaks easy and kept finish very nice. I was pleased with the results. Not permanent but better than yearly work.
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Old 12-08-2022, 02:50 PM   #6
Camp CA
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M.O.C. #25828
If it is gelcoat oxidation, this is the process I do on boats:

1. Wash and Remove Surface Dirt and Debris
2. Remove Stains
3. Wet/Dry Sanding - this is the key
4. Polishing Compound
5. Waxing and sealing with a protectant

Try a small area first.
2020 Montana 3780RL fifth wheel
2016 F-350 6.7L Diesel Crew Cab Long Bed DRW
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Old 12-09-2022, 08:43 AM   #7
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The only semi permanent solution is clearcoat. Another option, covered storage. Compounding brings the original look back, but you are limited on how many times you can do that. For many years I waxed and buffed every three or four months, and that held up pretty well, but I just dont worry about it anymore.
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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