The stone wall in this Sauna almost looks like a waterfall. And properly lit too. –Elämän kirjo: Mun sauna on SunSauna
Untreated sauna benches and panel walls can be blackened using the Supi Sauna Wax by Tikkurila. This water-soluble solution with natural wax is colourless but it can be tinted black.
Portable Steam Sauna - We Answer All Your Questions!
Beautiful sauna design and nice play with different materials