If you have leftover adhesive stuck to your wall after removing wallpaper, you can still paint over it. Here's how to do it without ruining your paint job.

Stubbornly positioned between you and a smooth, clean wall, there still remains a smattering of stubborn wallpaper glue.

Yamil Asis, CEO of Parfait Wallpaper Services and a professional installer, recommends using a level. After doing so, mark ...