The Factory from the last episode - Kung Holz Bau - is building a new office space, and turns out.. ITS ALL WOOD, with a Concrete Center for stairs. Its the coolest building Matt has ever been in. From the fully sanded finished 16 inch thick wooden walls, to the grid ceiling and flooring system that allows for killer heating, insulation, and soundproofing - You're going to want to go ahead and click play.. This is Swiss building at its finest!