Individual deck boards are not available in 16′ lengths on the Home Depot website, and are marked as discontinued. However, they are not discontinued. To purchase them, please order through your local Pro-Desk. Please be aware there may be a fee associated with your purchase. You can only purchase individual 8-foot boards, or as 10 or 49 packs (or 14 and 49 packs for the siding) through the Home Depot website, as well as the Home Depot Pro-Desk.