Combined with hot temperatures, extreme moisture, bodily fluids, and bacteria, how does a typical sauna not completely rot or develop mould? Seems like the wood would be turned into mush with all of these factors.
In: 5513
You don’t need to make saunas out of cedar like others claim. In fact, most saunas aren’t. Reckon the discrepancy in answers here is because non-Scandinavians tend to think of any sufficiently hot room as a sauna, which is simply not true. Many varieties of wood will do, including very basic ones like pine and fir, though deciduous trees are generally favored because conifers may emit resin.
The real answer is that it’s all about proper ventilation design, wood treatment (waterproof sealant), and regular maintenance. If you skimp on any of these three, a sauna very well can, and will, rot or get moldy.
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