Allow it soak in for ~5 minutes than was capable to pull it off in long strips. Also tried out TSP but TSP still left a mess. Water and vinegar functions nicely so I am planning to attempt it out all over again to the wallpaper inside the Bed room. http://wallpaperremovalcost50369.ivasdesign.com/11048066/getting-my-wallpaper-decals-removable-to-work