2 years ago I found a product in a boating mag.to restore the finish on boats that had faded out. I too live in FLa. and keep my RV in My back yard. the RV I just traded in was a 1998 looked like new after 2 years, and washing it is almost just hose off the dust.
The product is Poli Glow, The company is in Ft. Pierce Fl, so they know UV. I also did my very chalky 1986 boat and it looks new.It is a 2 step process, you wash with the prep, then apply THIN coats of the Poli Glow, my 30' Flair took me 2 easy days to complete and 6 coats later (they recommend 3 to 6 coats) new coach. It won't repair cracked graplics but it makes them shine again.
Look them up on line @
Poli Glow Manufacturer of UV Protective Products for RV Boats
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