Yurt: 2X6 Tongue and Groove Flooring

[Janti Family]

Originally Posted by HawaiiYurts

Some people will, do that, but doing a ply subfloor basically adds the extra step of having to then lay down additional flooring if you want it to be a nice, finished floor. So it adds cost and time. Using treated SPF t&g with girders spaced no more than 4' apart gives a solid floor that looks good and will stand up to wear with proper varnish, for a fraction of the time and cost.

Great idea on the treated T&G. I like the idea of not having to put a sub-flooring down. What concerns me is the 'treated' part of the boards. I have children. Isn't that toxic in so many levels? Could we use non-treated boards over a tiny sheet of aspenite?