Of course, you can make perfectly even walls, but it is best to glue ceiling skirting boards in advance, pashing the wallpaper directly on the putty. This method has positive properties, since the cracks are closed immediately with the help of putty, and the wallpaper itself is adjusted directly to the fillets themselves. It turns out very impressive. Of course, each person decides for himself in the end, how to use in order to stick a ceiling plinth.
