What do you put on new plaster before wallpapering?
Beside this, how do you prepare newly plastered walls for wallpaper?
You should coat your walls in a sizing solution, which essentially acts as a barrier to ensure your wallpaper paste isn't absorbed by the plaster. You can easily make the watered-down paste mixture yourself (check the instructions on the packet).
Also Know, can you wallpaper a newly plastered wall?
Preparing new plaster walls and ceilings for wallpaper. Essentially, new plaster is extremely porous (absorbs water and moisture very easily) and if wallpaper paste is applied directly to it, it will suck the moisture out of the paste before it has a chance to dry fully.
To prepare painted walls that are already in good condition, simply wash them with a multi-surface soap and then let dry. Add an acrylic primer, and allow that to dry fully before hanging wallpaper. If the painted walls have holes, dents, or cracks, be sure to fill them with vinyl spackle.