Can you glue down peeling wallpaper ends? Yes, as paint and primer that finds its way underneath loose ends can make the edges look even worse. Can you paint over wallpaper that is over 20 years old?

Unlike traditional wallpaper, peel-and-stick wallpaper comes coated with an adhesive backing ... The paper stuck to the wall without the edges peeling, and when I had to unstick it to adjust ...

To make it work, the wallpaper scrap just has to be a bit bigger than the mat board (or frame, if you want to wrap the wood rather than the mat) so you can wrap and stick the edges down. Flatten the ...