High Quality Content by WIKIPEDIA articles! A wallpaper steamer is an electrical device which boils water continuously in order to produce steam. THis steam is then allowed to pass through a narrow bore tube to a face plate. THis face plate is then held against a wallpapered wall. THe steam passes through the paper, saturates the backing paper and partially dissolves the desiccated wallpaper paste. THis then allows to the wallpaper to be pulled from, or scraped off the wall.THe wallpaper steamer was invented by Peter Ravenscroft Wilkins from Blackwell, Worcestershire, England. ITs European patent was filed 19 November 1987.