Just as the description says looking for something to take decals and reflective tape off a trailer its been baked on for probably ten years... Tried a 3m eraser wheel but didn't last long ..any suggestions
Heat gun scraper or pulling doesn't work. This is baked on and scraped up so pulls off in pieces.. I like the eraser wheel just wished it lasted longer

Been doing this on our sell trucks at work lately. Best I've done is a propane or butane torch to soften it a bit then slow and steady with a razor blade.
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Heat gun and a slow, steady pull at 45 degree angle.
As long as you don't get carried away the torch doesn't really affect the paint. It's just a quicker version of using a heat gun. The razor should be fine as far as scratches once you find the right angle as long as you have a somewhat steady hand.I'll try this.. How does it effect paint