Bath Room, Slate Floor, Soaking Tub, Glass Tile Wall, Open Shower, and Recessed Lighting In the master bath, Hale chose slate tile for the floors and green-and-brown glass tile by Lunada Bay for the walls, both from United Tile. The Japanese Ofuro soaking tub, crafted from Hinoki wood, is by Zen Bathworks.  Onsen Ofuro Japanese Soaking Tub from You’d Never Guess This Japanese-Style Home in Tiburon Is a Kit House