Dear fellow rvers: I have a badly stained awning (top side only). Seems to be a brownish crust that coats the top of the fabric, not a part of it (I can scrape it off with a key). I've tried Tilex, bleach and water, etc. Any ideas? thanks.
Mr. Ed
1990 Fleetwood Flair
2000 Saturn toad
Mr. Ed
1990 Fleetwood Flair
2000 Saturn toad