How many packages of wallpaper glue do I need for my wall? One package of non-woven wallpaper glue from our website is enough for 20-22 m2. Related articles What wallpaper glue do you recommend? Can I place the wallpaper on a door as well? How do you remove excess glue? My manual is not included. Can I find it somewhere else? Can there be wallpaper over a coarsely plastered wall? Comments 0 comments Please sign in to leave a comment.