I decided to go with the 3M Adhesive Remover. I applied it with a Scotch-Brite pad. It works really well. I would not say that it was easy, but it wasn't too bad either. It took me about an hour to scrub the entire roof. A few words of caution if you use this stuff. It is extreemely toxic! I was using chemical safety gloves and it still went through one of the fingers. Use the heavy gauge black ones. Secondly, take frequent breaks for fresh air. If you can smell it, you are ingesting this toxin. It did take off the paint in some spots. That is ok in my case, as I intend to re-paint the area anyway. Overall, I would recommend it, but be very careful using this stuff. Marty