I use one of those wallpaper strippers 😂
Yeehaaaaaaa.....
I've done a video, but need to edit it, it's not a doff, but IPC hot pressure washer with 'super steam' 130 degree option - works fantastically well, no pressure, hold the lance with finger and thumb if you want to and still direct it around, the easiest pw job I've done so far.
Darran