I am in the market for a 40 foot class A diesel pusher. I have read that taking care of the roof is something you have to do every other year or so. Winnebago has the fiberglass roof material, so do...
I wash my one piece fiberglass roof with soap and water about once a year and have never had to reseal it in 14 years. OK, I did overlay the calking around one roof vent.