As a saltwater kept boat owner since 1981 I have learned a thing or two about gelcoat & the maintenance of it.
First of all, there is no such thing as EASY. The more oxidation, the tougher the job to restore & the tougher it is to keep it looking good.
Lots of products will make it look better, not good, for the short term. You get what you pay for. Your labour will be the same so you might as well pay for the quality product that will last first time around.
Keep that pressure washer far far away. It will do more damage than good.
Start with a good wash to remove long sitting road grime & bugs on the front cap. Easy step.
Next is the tough one which depends on the deterioration of the gelcoat. For relatively minor chalking of gelcoat either 3M Marine cleaner wax or Maguires Marine cleaner wax does the job. The work is in working the stuff in to remove the chalking. You will need a proper polisher to remove the product. One of those two handed cheap automotive buffer won't do the job. I carry a Makita polisher around. One of those buy it for life tools.
By now you are at the end of day two, maybe into day three, & looking pretty good but not finished yet.
The last step is the Meguires Flagship POLISH. This goes on easy but does absolutely nothing to remove chalking or stains, hence the importance of doing a proper job with the cleaner wax. The Flagship produces a visibly better shine & gives the protection for longevity of the shine.
My Alpenlite spent it's first 2 years of life in a storage lot in CO. I got it before the chalking set in. Eleven years later, it is looking almost new after many thousands of miles use.
The method here is frontcap cleanerwax & Flagship twice a year, mainly because of bugs. The rest of the trailer Flagship once a year. Every 3 years or so cleaner wax then Flagship.
Two weeks ago it got the full cleaner wax treatment then was put into indoor storage. Next spring it gets a wash off then the full Flagship treatment before it goes travelling.
Regarding ghosting, the original frontcap decal took a beating so I replaced it with a custom photo. The difference is in the quality of the material. Over three years & thousands of bugs beaten into it & it is looking like new. You have to look really really hard to see any evidence of the originl
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Boat: 32' 1996 Albin 32+2, single Cummins 315hp
40+ night per year overnighter
2007 Alpenlite 34RLR
2006 Chevy 3500 LT, CC,LB 6.6L Diesel
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