https://www.deckwiseguys.com/air-dried-vs-kiln-dried-hardwood/ How To Build Decks | Deck Building Products Wed, 22 Aug 2012 12:36:49 +0000 hourly 1 https://wordpress.org/?v=4.9.4 https://www.deckwiseguys.com/air-dried-vs-kiln-dried-hardwood/#comment-54 Mon, 20 Aug 2012 13:27:52 +0000 http://deckwiseguys.com/?p=430#comment-54 Thanks for this post Wiseguys, wood drying and wood movement is a topic that seems to confuse a lot of people. As builders we tend to forget all the stuff that goes on before we get our lumber. I must caution your assumption that kiln dried wood doesn’t’ need time to acclimate to the build environment. All wood moves. It is an organic, hydroscopic material that is constantly seeking equilibrium with the local environment. Kiln dried lumber actually takes longer to achieve that equilibrium because the lignin is more set and the cell walls more rigid and it won’t absorb much. Air dried lumber isn’t as rigid and will more readily soak up moisture. Regardless, both will absorb and shed water throughout their lifetime and the associated movement must be accounted for in any project.

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