This article needs additional citations for verification. Wallpaper is a material used in interior decoration to decorate the interior walls of domestic and public buildings. It is usually sold in rolls and is applied onto a wall using wallpaper paste. Wallpaper printing techniques include surface printing, gravure printing, silk screen-printing, rotary printing, and digital printing. The first three all date back to before 1700. Wallpaper, using the printmaking technique of woodcut, gained popularity in Renaissance Europe amongst the emerging gentry.