When wallpaper is properly applied over walls that have been prepared with a wallpaper primer, additional paste is not needed. Applying extra paste to pre-pasted wallpaper can be especially problematic if you ever decide to redecorate because it can make it more difficult to remove the wallpaper from the wall.

Should you use paste on Prepasted wallpaper?

Do I Need Additional Paste? Prepasted wallpaper is made so that you don't need any additional glue. But there are some people who still do not believe the glue on the back is adequate and want to add their own. You can apply additional paste to the back if you want to.

Is it better to put wallpaper paste on the wall or paper?

Lining paper gives a perfect base on which to hang wallpaper, therefore we would always recommend it. ... As its name suggests, 'Paste the wall' papers allow you to apply your paste to the wall before hanging, rather than to the back of the wallpaper. Dry wallpaper weighs less which means there's less chance of it tearing.