Oxidizing? As in you're getting white gelcoat bleedoff running down the sides of the coach?
Or are you saying the roof is dull?
Start by scrubbing the roof down with a car-wash brush and car wash soap. Treat with 303 Aerospace protectant.
The one-piece fiberglass roof is a definite plus for WBO - ours is 13 years old this year and looks great.
__________________ Chris & Sherry Brown - 2005 Itasca Sunrise 31W - W20 and 8.1
2015 Chevy Colorado 4X4 Toad
2021 Chevy Spark Toad