we are going to build in Dubuque, Iowa, where the humidity is relatively high, and we are wondering what an engineered hardwood floor would do in the summer-time. Will it "cup" like solid hardwood, or would we do just as well to get solid hardwood flooring. We are interested in Durafloors for the engineered flooring and Bellawood for the prefinished hardwood. We do not want Pergo or any laminates. So, which of the two would be best in that area? Would appreciate an opinion regarding this matter.
Thank you.

ANY wood product will expand and contractr with the changes of the season and high humidity.

Engineered hardwood is a better choice, but it will still expand and contract.

any wood will.

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If high humidity is an issue, why not a floating floor. And, no , not laminate if u'r set against it. Solid or engineered hardwood will both have issues in high humidity areas, because each piece is individually attached to the subfloor, therefore, they expand and contract independant of the adjoining boards. Look into a floating wood floor, either one that is glued in the joints from Bruce or Harris Tarkett, or Tarkett Quik-Lok at H@me Dep@t. Much more structurally stable, easy to install, sands and refinishes like a nail down floor.