Thanks for all of you comments. The garage has drywall painted walls and ceiling. The floor is sealed concrete that's been epoxied and a rubber mat under each car. Never thought of it but the dust could be getting on there when I remove the cover. The garage is heated. Before ... I used baby...
I have a 69 Z28 RS that's Concours restored that spends a lot of time in the garage. I have never used wax on the car because its never out in the environment. I have only used a 3M glaze. My question it gets dusty even under the cover, but I really didn't want to wash it before the glaze. What...