Steam room The temperature in the steam room is between 40 °C and 45 °C and the humidity is 100%. The floor in the steam room is channeled and insulated against water leakage throughout the interior. The steam generator is located outside the room. The sauna temperature is about 90 °C. It is not necessary to use ceramic materials on the walls and ceiling as in the steam bath. The generator is located in the sauna room. The floor channel is not needed, the ceiling can be sloped in the steam bath, while it is flat in the sauna. While the waterproof function is a must in the steam room, it does not apply to the sauna.