Many people consider attacking wallpaper installation themselves rather than calling a home interior painter. No problem, but if you haven't done it before you need to learn some basics and plan accordingly.  You might even purchase a cheap roll of wallpaper and try applying that first before taking on the actual project.  So....

​1. First you need to prep the walls - you may have heard of sizing (a wall treatment powder mixed with water) that encourages adhesion, but conversely makes it easier for removal of the paper someday down the road.

For centuries folks have been painting and covering their interior abode with colours and textures in order to achieve familiar and beautiful surroundings. Imagine fruits, or charcoal, maybe grass and foliage as colorants of the wall coverings that were applied back in the day. A base would be created in some cases with oils or other thicker fluids that would dry in time and tints would be added to create the most vibrant colours the artist or homeowner could invent from the natural tinting materials that were thought up and experimented with.