This should help you to get enough leverage on the wallpaper to pry it up.
Remove vinyl wallpaper from wood pabel.
If you are having trouble removing the vinyl from the top try working from the bottom up.
Sometimes just plain water works fine if you re lucky.
Hgtv expert steve watson shows how to remove vinyl wallpaper.
It may work better.
Once you have made the x in the vinyl wallpaper start to soften it by spraying some of the water onto the wall from the spray bottle.
Once the paper is soaked you can scrape it away from the wall.
Allow a few minutes for it to soak in and then press your knife around the wet area.
Mix up some wallpaper removal solvent.
Depending on the size of the room and the product you purchase you can spray or wipe the commercial remover onto the wallpaper itself.
Fabric softener can work too add one cup to a gallon of warm water.
Generally the remover will need to stay on the walls for up to 30 minutes before it is effective.
If the wallpaper isn t strippable you ll need to score it so that wallpaper stripper or steam can get behind the paper and soften the adhesive.
Many people recommend steam or hot water to remove wallpaper adhesive but i would be concerned about the effect it might have on the paneling s finish and ultimately the wood s grain.
Once the tough vinyl layer is gone commercial wallpaper removal products will be effective.
Next spray liquid wallpaper remover onto the remaining paper then use a trowel to spread the liquid over the paper so it soaks in thoroughly.