Sorry no updates lately, I ran out of sandpaper. Ordering some more today. I got kind of a dumb question, I have a couple dents on the roof and they are too deep to spread a quick coat of bondo over them. I was thinking maybe weld a stud on there and pull it out with a slide hammer, but is there any insulation or anything I would have to worry about when welding that stud on?
Here is a pic of the roof.