Moldy roof
I have a class A with a fiberglass roof. I park it along a tree line in the summer & inside in the winter The roof is black on about 25% of it. I got up there today with a bucket of oxyclean mixed ...
Forum Discussion
Either a bad mold year or your fiberglass is starting to deteriorate and it's not shedding stuff as it used to. You may want to consider some type of sealer when you finally get it clean.
