Glossary of Lumber Terms

Common Abbreviations

• BF – Board Feet

• BEV – Beveled

• LF – Lineal Feet

• COM – Common

• CLR – Clear

• GR – Green

• KD – Kiln Dried

• No. – Number

• NH – No Hole

• RGH – Rough

• RL – Random Length

• S1S – Surfaced One Side

• S2S – Surfaced Two Sides

• S4S – Surfaced Four Sides

• S1S2E – Surfaced One Side, Two Edges

• S-GR – More than 19% Water by Weight

• S-DR – Less than 19% Water by Weight

• STD – Standard

• SL – Shiplap

• SQ – Square

• T&G – Tongue & Groove

• VG – Vertical Grain

Lumber Species

• CDR – Cedar

• DF – Douglas Fir

• DF-L – Douglas Fir, Larch

• GDF – Green Douglas Fir

• HEM – Hemlock, Fir

• LP – Lodgepole Pine

• RW – Redwood

• SPF – Spruce, Pine, Fir

• SYP – Southern Yellow Pine

• WC – Western Cedar

• WRC – Western Red Cedar

• IC – Incense Cedar