You cannot see case hardening. You cannot feel it. You can only discover it by ruining a piece of expensive lumber. The ultimate goal is Equilibrium Moisture Content (EMC) . Wood is hygroscopic—it breathes with the atmosphere. If you live in Arizona, your house’s wood will sit at 6% moisture. If you live in Florida, it will sit at 15%.
If you take a wet log and build a table immediately, you are building a ticking time bomb. As that water escapes into the room, the wood doesn't just shrink—it warps . It cups, twists, splits (checks), and cracks open like a dried riverbed. seasoning of timber
Seasoning is the art of making this escape happen before the wood becomes furniture. Woodworkers divide into two philosophical camps when it comes to seasoning: You cannot see case hardening
