Due to COVID-19 our retail store is currently closed and hours of operation may be affected. We can process orders for “curb side” pick up or delivery. We ask that customers call or email first to check our current hours of operation. Thank you to all of our valuable customers for their cooperation during this time.


An Extensive, Ever Changing Supply of Lumber

FAS: 1st and 2nds. Mixed domestic hardwood lumber grade is for the highest grade of hardwood lumber. In most species a board must be 6" or wider, 8' or longer. Walnut and Butternut are the exceptions.

Select: A clear board that is too short or narrow to be FAS.

Common: (mixed 1 and 2 common) are boards that have too many defects to be FAS or Select. 4/4, 5/4, 6/4, etc.: Is the thickness given in fractions implies that the lumber is rough sawn 1/16"+ over the stated fraction. 4/4 = 1-1/16" and should finish to 13/16"5/4 = 1-5/16" and should finish to 1-1/16"6/4 = 1-9/16" and should finish to 1-5/16" 8/4 = 2" to 2-1/16" and should finish to 1-13/16"

Boule: A log live edge sawn and kept together in the order of sawing.

Flitch Matched or Book Matched: Sequentially sawn lumber from the same log.

Q.S. Lumber: Quarter sawn/vertical grained lumber in most lumbers will show flake.

Rift Lumber: diagonally grained lumber.

Board Foot: A unit of lumber measure that is 1" by 12" by 12". A board 1" by 6" by 2' equals 1 board foot. A board 2" by 12" by 12" equals 2 board feet. or to calculate board feet multiply (in inches) the thickness X the width X the length and divide by 144.

S2S: Surfaced two faces, add $.30 a board foot.

S3S: surfaced two faces and an edge, add $.45 a board foot. Plain Sawn: Lumber sawn parallel to the grain.

Extensive, Ever Changing Supply of Lumber

Groff & Groff Lumber  • 858 Scotland Road, Quarryville, PA 17566  •  717.284.0001 • 1.800.342.0001

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