Can I just use 2&6 t&g as my only and final floor layer? Span will be 20' and joist is 4x12's 24" oc.
My wife has allergies to the glue in all the manufactured wood.
I will put a final finish on the boards after. Likely use Doug fir.
So just regular floor nailing will do. Can I put construction adhesive on the joists under the t&g to help out for any squeaks that may develop? What would be the best way to finish the top of a soft wood like pine?
If you don't want manufacturered wood with the glue and yellow pine with gaps, knots and scratches then i would put a 1 inch t&g on the joist and enclose the house and get to live in conditions for two weeks for acclimation, and do moisture testing, then you can put any hardwood over top.( the second layer has to go in the opposite direction as the first)
Florpro, that's not a bad idea. Except sounds like allot of t&g. I am in Alberta Canada. It's fairly dry up here. Nose bleed dry in the winter. If I use really good and dry Douglas fir, which is tight grain with very little knots I might be ok. I just need to get it dry. I really don't know, and have no experience with this. So thanks for the ideas.
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