After stripping the walls, foam insulation was put up between studs and Hardee Backer Board screwed on top. Seams were sealed. Mortar was trowelled over the backer board and tiles laid in. Grout was put in between the tiles. Bathtub and shower head, plumbing hookup, sink and vanity (built by Alan). Concrete layer in floor with thermal warming. Walls painted. Toilet (very small Toto model). Stone tile floor.