#258295
Unregistered-BobF
Guest

I would use a 4″ wallpaper razor scraper. You can try a putty knife for the tiles first, but I doubt that it will take off the adhesive. You could try hot water with some vinegar in it on the adhesive. The razor scraper will likely gouge the walls, but they can be patched.
Read that topic on my website at http://www.bobf.info.