We have a far infrared sauna which we purchased for health reasons. This type of sauna is used for detoxification, so it is built with bare wood (hemlock in our case) that has never been treated with any chemical. Two years ago, contractors doing a rehab job in our house made a number of mistakes that led to very old, very fine coal soot from up in a ceiling to be pumped throughout every room in our house. Every surface was lightly coated with coal soot. The damage was just like smoke damage. Serv-Pro cleaned up everything except the sauna. I couldn’t get them or anyone else to touch it. They don’t want to deal with the electric parts and they don’t know how to remove the soot without using chemical-laden sponges. I have no idea how to completely remove that soot, nor do I know who I might hire to do it correctly. We don’t want to sit in there and have soot beamed into our bodies! Thanks for your ideas!
I’d be very concerned about putting any dangerous chemicals on the wood, considering any residue would be heated up and we’d likely breathe it in. It’s an enclosed environment.

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