The only tool that's ever helped me get adhesive off a surface is a razor blade. Works brilliantly to scrape adhesive off glass. Problem is, you need to be trying to get something off a surface as hard as glass, and there's still a lot of elbow grease involved when the adhesive is old and has hardened. For other surfaces that are non-porous, you can try to find a sandpaper or other abrasive that will do more damage to the adhesive than the surface. For surfaces that are porous, you pretty much have to rip out and replace.
In summary, I've had much better results with mechanical means of removal than chemical ones, and they're still limited. Resins are really stable chemically, especially after they've been baked dry (say, by sitting on a window).
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Date: 2010-09-27 08:39 pm (UTC)In summary, I've had much better results with mechanical means of removal than chemical ones, and they're still limited. Resins are really stable chemically, especially after they've been baked dry (say, by sitting on a window).