<strong>Yahoo Message Number: 87120</strong>The white gel-coat on the roof of our 04 coach is oxidizing. When it rains or even some morning dew we get white streaks down all sides of the coach. I have wet sanded and power waxed the roof a couple of times but the treatment does not last. <br/>Repainting the roof is an option but I have 6 solar panels and the associated wiring covering a lot...