The video showing the interior of a sauna, with its accessories. The interior and the benches of the sauna should be untreated wood of ABACHI or RED ALDER..
The heater is another essential component of the sauna. Two different type of heater to heat a sauna cabin: electric heater or woodburning stove.
In both cases inside the sauna stones where you can be poured water through the appropriate ladle, evaporating this means that the humidity in the cabin to grow a few % percentage.