The Complete Guide to Wallpaper MoldFrom causes to removal, prevention, and proper re-papering — explained by an expertHave you ever woken up to find black stains on your wall, or noticed a musty smell coming from behind your wallpaper?Many people assume the wallpaper itself is "moldy" and think spraying bleach or replacing it with new wallpaper will solve the problem. But in real on-site work, ..