Inviting? This commercial health club sauna room is located by the swimming pool. The atmosphere created from chlorine in the air as well as bathers coming in all wet with chlorine is wearing the room rapidly. The stains are from pool water, sweat and body oils. If the upper bench had a backrest, the back wall would not stain. The backrest would stain and can easily be replaced. Same with the lower to upper bench bench skit. The skirt adds comfort as it acts as a backrest. It is possible that this sauna environment is past a good sanding and will likely need a full replacement.