The finest decks start with hardwood that has been properly dried to the right moisture content. Just ask anyone who's built a deck with "green," aka undried lumber, and you'll know right away that this critical step in the manufacturing process can neither be overlooked nor hastily done. AdvantageLumber.com owns and operates a computer-controlled lumber kiln. This state-of-the-art kiln properly dries exotic decking and lumber to a moisture content conducive to exterior or specialty applications.