I wash and wax our trailer at least 2 times a year, more if needed. I use Meguiars cleaner wax in a red can.Does a really good job. Just don't wax it in the sun. It normally takes me a couple of days to wax it. When I do it all I can think of is "wax on, wax off" [karate kid]
2011 jayco 33rlds, 2002 Ford excursion, v-10, 3:73 gears 4x4 mine. 2008 Suzuki sx-4, hers. Retired Air Force, now Retired.