I need to remove polystyrene from the wall under old wallpaper,how do i get it off ?
Remove polystyrene from behind wallpaper
Apr 26, 2015
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Acetone or Nail Polish Remover will usually melt it on contact. The fumes are heavy, so ventilate even more heavily. Torching it off will generate horribly toxic fumes, much worse than Acetone.
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