Lumber Real Dimensions. This new finished size is called the actual sizethe finished (dressed) size as opposed to the nominal size of a piece of wood. Dimensional lumber is cut to a specific length, width, and depth. Standard dimensions of hardwood lumber.
Dimension lumber can be purchased as dry or green.
Lumber for construction purposes available in variety of different sizes. If your memory is like mine, and you need a little help remembering the actual dimensions of the lumber you'll need for your next project, then. Nominal size vs actual size boards. If your project calls for precise measurements, be sure to check your lumber before purchasing. Any lumber that is nominally 8″ or greater is an actual 1/4″ instead of the 1/2″, as seen in 4″ and 6″. This new finished size is called the actual sizethe finished (dressed) size as opposed to the nominal size of a piece of wood. The term dimension lumber is used with softwood species (such as pine or fir) the reasons why the nominal dimension of this lumber (what the lumber is called) is larger than the actual dimensions. Nominal refers to the dimension the lumber was sawn.