Rigid foam sandwiched in wood subfloor?
I'm re-doing my living room floor.
When I strip it down to the T&G subfloor, I will have about 1" to make up, since it will be lower than the kitchen floor it butts up against.
Below is an unfinished. basement.
Originally I was going to do OSB as a base with a layer of thinner plywood to get up to the proper height. But I have seen a lot of people doing rigid foam in their basement floors - Foam, then ply or OSB, with flooring on top.
Can I do this here, to get a little extra insulation between my living room and the basement? I was thinking 3/8 or 1/2 rigid foam, followed by 5/8 or 1/2 plywood.
Is this acceptable? Is there a reason foam would be OK over a slab, but not over a T&G subfloor?
Thanks for any help! And let me know if you need to know more
Posted Fri, 03/07/2014 - 12:42
Edited Fri, 03/07/2014 - 13:26
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