NHLA Hardwood Lumber Grading

This guide provides basic information on the grading rules. The following representations of yield are general in nature.. the buyer can expect a comparative yield, however each "yield varies"..
FAS ( First and Seconds)
Provides long, wide, clear cuttings. Best suited for high quality work. Must yield 83 ^1/3%to 100% clear wood in cuttings at least 3" x 7' or 4" to 5'.
Select & Better
Both Faces of the board are used in determining the grade. Best face must meet FAS, reverse must essentially grade No. 1 Common.
Shown above and below are two examples each of clear yield ( unshaded areas ) that make up the applicable grade. The shaded areas contain defects and are not included in determining the yield.
No. 1 Common - ( example 1 )
Provides clear cuttings of medium length and width. Includes a range of boards which will yield from 66 2/3% to 83 1/3% clear wood in minimum sized cuttings at least 3" x 3' or 4" x 2'.
No. 1 Common - ( example 2 )

Please note: These schematics are for reference only and are Not To Scale.

	Hardwood Lumber
	National Hardwood Lumber Association
	Hardwood Lumber Grading