We are in the process of updating our kitchen and installing a new hardwood floor.  I would appreciate any advice/references you could share on the “greenest”, healthiest products to use for our flooring process. 

Debra,

Thank you for the question.

Hard wood floors on floor frames are historically laid over a minimum ¾” thick sub-floor – whether rough plank, plywood or oriented strand board (OSB)

Between the finish floor and the sub-floor it has been common to install 15 or 30 pound felt paper ..read more

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