After its plastering, you do not need to ignore the primer stage, otherwise when replacing the wallpaper you will find an unpleasant surprise of the plaster lagging with wallpaper.
It is worth emphasizing that it is definitely impossible to drive out nails into a finished drywall wall, and the point is not that the nail will easily be taken out of the wall, just when the hammer hit with a hammer, it is easy to break the integrity of the sheet, and if the desire to attach something on the wall, then the screw and the screw The dowel will be very welcome.
