Sauna Wood Rotting Floor Prevention

Here s an email exchange that may offer some guidance.

Sauna wood rotting floor prevention.

Soft rot fungi decompose wood more slowly than brown rot fungi and white rot fungi but thrive in temperatures too hot and too cold for the other types to survive between 0 and 110. So have your marsh mellows on standby. When the floor finish is impermeable moisture can t get through it so the subfloor just gets wetter and wetter all summer the wet subfloor wets the bottom of wood. Dry rot involves less water but the destructive fungi that cause dry rot still need some moisture to do their wood fiber eating thing.

Wood attacked by white rot lacks the cubical checking appearance of brown rotted wood. Sauna heaters and wood burning stoves are very efficient so the area below the sauna stove will heat up the concrete patio stone. A word on building your own sauna and dealing with the sauna floor. Shelf fungi bracket fungi and mushrooms are all forms of white rot fungi.

I live in surrey bc. Flooring cupping or buckling occurs and a subfloor moisture problem worsens when there is impermeable flooring like vinyl laminate or a typical polyurethane finish on wood. It has been known to ignite the wooden sauna floor about 8 hours later. In the later stages the wood may become spongy to the touch.

Our winters are mild by minnesota standards but. The homeowner had recently completed some plumbing upgrades which took care of the water source for the rot but the floor damage was already done. The demolition stage of repairing a rotted section of.