L & F Sauna 2013 December 20, 2013Bathroomsalex Saunas are a great addition to any home in the Pacific Northwest.They can be built indoors or outdoors, and can be customized to fit a space as small as a bath tub. The heater is the heart of the sauna. The steam produces multiple rejuvenating and healing benefits. Aromatic western red cedar is the best materials to build saunas, due to its resistance to mold and decay.