The Lingo of Lumber - Understanding Hardwood Lumber Grading Terms

The first time you go to a hardwood dealer can bemust be at least 6" wide and the poorer of the two
pretty intimidating. It can be like stepping into afaces is used to grade it.
foreign country where they speak a differentFAS 1-Face: First and Seconds One Face. Similar to
language. Here's an example: You walk into theFAS except the better face is graded instead of the
lumber warehouse and you think you've died andworst. It must also be 6" wide.
gone to heaven. Wood as far as the eye can see.Select: Select is No. 1 Common on one face and FAS
Every conceivable species just waiting to go homeon the other. The board must be at least 4" wide
with you. This alone can make your head spin. Whileand like FAS 1-Face, the better face is graded. The
you're picking your chin off the floor an employeeprice between the first three grades can be very
comes up and asks if they can help. You come tosimilar depending upon the dealer.
your senses and and finally spit out that you'reNo. 1 Common: This grade is often times just called
looking for some walnut. "Well," he says, "do youNo.1 or Common. This is still furniture grade material
want that FAS, Select, No. 1 Common? What size dobut more defects are allowed than the previous
you want it, 4/4, 5/4, 6/4, or 8/4? Do you want itgrades. Poorer side is graded and must be 3" wide.
air dried or kiln dried?" And you thought your headNo. 2A Common: You can still get short to medium
was spinning before! What language is this guysize pieces that are furniture grade material. Poorer
speaking, "lumbernese"?side is graded and must be 3" wide.
Armed with the right information you can avoid thisNo. 2B Common: Much the same as 2A Common.
scenario altogether. Lumber has its own gradingNo. 3A Common: Worm holes are allowed in this
system that the United States and Canada uses thatgrade, other wise the same as 2B Common.
is set by the National Hardwood Lumber AssociationNo. 3B Common: Used in pallets and crates, graded
(NHLA). This association was formed in 1897 toon the soundness of the board rather than defects.
standardize hardwood grading because before each____________________________________
mill had their own grading system (and you thoughtThe thickness of hardwood lumber is measured in 1
the example above was confusing).4" increments. The measurement is taken before the
The grading of hardwood is based solely on the twoboard is surfaced. Expect to have to take off at
faces of a board, and how wide it is, the thicknessleast 3/16" - 1/4" in thickness to get a smooth flat
of the board doesn't come into play. When gradingsurface on both sides. Remember to take this into
hardwood lumber the worst side (face) of a board isconsideration when buying stock for a project.
usually used to grade that board (sometimes the4/4 = 1 inch
best face is considered). There are eight grades of5/4 = 1 1/4 inches
hardwood lumber.6/4 = 1 1/2 inches
FAS: First and Seconds. This used to be two8/4 = 2 inches
separate categories but was combined many years__
ago. FAS is the best grade of lumber meaning that itArmed with this information you can confidently walk
has the largest percent of clear area over all theinto your hardwood dealer and talk "lumbernese" with
other grades for this species of wood. And as youthe best of them.
would guess it's also the most expensive. A board