Yep, I did it. I left two (experienced!) guys alone to strip the roof. I figured, how hard could it be to strip a roof? Anyway, the tarp covering the side of the house fell down and no one noticed. Now there are hundreds of black marks on the siding where the shingles hit on the way down. The siding is old vinyl and I know I cant get an exact match. Does anyone have any ideas as to how I can clean this off? I have thought of Goof Off, or Spray Nine, and I am wondering what else people would recommend. A contractor I know said to try gasoline, but I'd really rather not if I can avoid it. Im open to any and all suggestions, thanks very much in advance.