Hallway and Light Hardwood Floor Maira wallpaper from the 70s adorns the guest bathroom. When they knocked down several interior walls, Sawatzky and Flanders were left with tons of lath—the thin, irregular strips of softwood that provided the base for wall plaster. With the help of a demolition contractor, they sorted out the cleanest pieces to reuse. The couple clad the box on the second floor that contains their bathroom and closets with the lath, nail-gunning each piece to the walls.  Photo 5 of 42 in Wallpaper That Fixes Walls