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Originally Posted by wdfifteen
My kitchen floor is going down next week and I've been all through this recently. So many opinions and so many options.
Mine is going over a plywood subfloor with a dry basement underneath. I didn't pay a lot of attention to application over concrete but I do remember some basics. Solid wood is much less dimensionally stable than engineered wood. In a situation where moisture can be an issue (humid climate or the location of the floor) solid wood was not recommended by anyone, anytime. In Houston I would use engineered wood. My friend in Sugarland has lost 2 roofs (and one hardwood floor) in the past five years.
Are you looking at literally gluing the wood to the concrete, or gluing the boards together?
The most dimensionally stable system seems to be click or glue together engineered wood floated on the subfloor.
I went with 3/8 inch, four or five ply (I don't remember which) tongue and groove boards that are glued together. They will float on a 1/8" pad made of recycled tires. On the demo floor this system sounded and felt very quiet and solid and everyone says it is the least likely to buckle.
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floors buckle due to 2 reasons. One is moisture penetration, the other is poor installation and sometimes poor choice of materials. Too wide or lack of expansion built into he install.