I’m building a house with radiant heat, and would like to hear suggestions who has experience with what type of flooring is going to move the least as the seasons change.
I usually install strip oak, with baseboard heating, but my wife would prefer something in a random width, so I’m wondering about quarter sawn, heart pine, or engineered wood. I want it to be 3/4 inch.
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Check out the Sika AcouBond method of laying a wood floor on a deck or slab. I watched it go in down the street. The builder used 4-1/2" width t&g and endmatched cherry, solid wood, not engineered. It is on the lower level slab on grade, with embedded hydronic heat, and on plywood decks on main and upper floors, with hydronic tubes running under the deck between joists. Use a search engine to find the website that shows installation details.