This is the flooring I chose because Andy Pace of Green Design Center, Waukesha, WI has tested it for off gassing and it is 100% free of formaldehyde off gassing. He is the first person in the USA to have the FRAT device (formaldehyde attenuation release test) with which he can test any surface or product for release of formaldehyde. of course there are THOUSANDS of other HAPs - hazardous air pollutants besides formaldehyde, but he can't test everything, and formaldehyde is usually a good indicator or other gasses that will be present too.
What did you end up going with?
I would have suggested just finishing the subfloor. We did this once and it wasn't even ply, it was chipboard. We found a natural no voc floor paint that sealed and sat on the surface almost like a membrane. It came up great. But you could just linseed oil the plywood, or even stain it. You can also ebonise ply with a steelwool vinegar solution to make it a natural black. Or you can use a clear finish for that scandinavian look. If you need to you can insulate under the floor between the joists.
Travis Johnson wrote:If a person is forced to buy something, one of the cheapest floors is thus a Penny Floor.
I do not have a direct picture of our penny backsplash, but you can see it behind the stove in this picture. A lot of it is actually hidden, but it is fairly big for something costing $7.07. By the way, Katie's kitchen was set up to look like the 1930's, her favorite era, so in this picture she is dressed in a 1930 dress posing in front of her 1917 kitchen stove. She normally does not dress like that! (LOL)
I realize this is about flooring, but Travis, would you mind giving some information on the countertops?
A readily available natural alternative might be sheet linoleum which is pretty durable if maintained properly. I've seen short ends of 2" x 4" set on end and sanded down into a very durable floor assuming it was coated and maintained I like painted floors because I grew up with pained floorboards (different color for each room) another floor treatment popular at once time is painted canvas floor cloths.