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Hey guys came across this bit of vandalism on commercial job. Tried scrubbing, scraping, acetone and white spirits and nothing worked... not even a little bit.
Originally I just thought it was paint, maybe but I usually can remove stuff like that easily. You can run your fingers over it and you can feel slight different texture. I asked them to look at CCTV to try get some idea of what happened. To me it looks possibly like a spray can that maybe might have some chemical in it that has either damaged the glass or I'm just not using the right chemical to remove it. Surely not a chemical burn?
Any ideas ?
Sent using the http://Window Cleaning Forums mobile app
Originally I just thought it was paint, maybe but I usually can remove stuff like that easily. You can run your fingers over it and you can feel slight different texture. I asked them to look at CCTV to try get some idea of what happened. To me it looks possibly like a spray can that maybe might have some chemical in it that has either damaged the glass or I'm just not using the right chemical to remove it. Surely not a chemical burn?
Any ideas ?
Sent using the http://Window Cleaning Forums mobile app