Finnish Sauna: Steam, Wood, Stone and How to Build Your Own

Lassi details the importance of the foil barrier and furring strips, and gives instructions on wall layering, see books below. Other speak to it as well. From this and other Finnish to English translated sources I found online, and using ChatGPT, I found a very consistent story about exterior cladding > exterior furring > wrb > osb (in the USA) > studs > insulation within studs > foil > interior furring > interior tongue and groove Trumpkins notes speak to this as well Any Finnish building code can be translated Lots of YouTube videos discussing this layering. It’s hard to miss “Sauna: The History, Culture and Practice of the Finnish Bath” And Finnish Sauna: Steam, Wood, Stone and How to Build Your Own https://a.co/d/0858KmjK