What do the letters on lumber mean?
The abbreviations for framing-grade softwoods, from strongest to weakest, are as follows: Doug Fir, D Fir- L: Douglas fir (L=western larch) SYP: Southern pine. Hem, Hem-fir, H-F: Hemlock or fir. S-P-F: Spruce, pine, or fir.
What is STD and BTR lumber?
Stud. grade is the highest grade lumber. • #1—is several grades above standard. • SPF #2 BTR—#2 BTR means it is of better. quality than standard.
What does RS mean in lumber?
R/S. Resawn – a mill process to re-cut the wood to freshen the surface, create surface detail and/or cut to an exact customer requirement.
What are the different grades of lumber?
Table 5: Lumber Grades for Hardwoods
| Grade Name | Abbreviation | Minimum Board Size |
|---|---|---|
| First and Seconds | FAS | 6 in. x 8 ft. |
| FAS One Face | F1F | 6 in. x 8 ft. |
| Select | SEL | 4 in. x 6 ft. |
| #1 Common | No. 1 C | 3 in. x 4 ft. |
What does S&B mean in lumber?
Foot (or Feet) G1S. Good One Side. G2S. Good Two Sides.
What does FB mean in lumber?
fiber stress in bending
Lumber strength properties are assigned to five basic properties: fiber stress in bending (Fb), tension parallel-to-grain (Ft), horizontal shear (Fv), compression parallel-to-grain (Fc), and compression perpendicular-to-grain (Fc | ).
Is #1 or #2 lumber better?
Typically wood that is two or more inches thick is graded only for strength, denoted by #1, #2 and so on. And because stronger lumber has fewer and smaller knots, it’s typically more attractive. So the general rule of thumb for lumber grades is this: the lower the number, the more strength and better appearance.
What does G2S mean in lumber?
Good Two Sides (plywood grade) G2S.
What does s4see mean in lumber?
Surfaced on Four Sides
S4S is an abbreviation for “Surfaced on Four Sides”. It indicates a finish which renders both faces and both edges of a board planer-finished.
What is the best lumber grade?
Hardwood grades are: FAS (First and Second) is the highest grade of hardwood lumber. It’s usually 6-inches x 8-inches and is 83 percent defect-free on its best side. Select is 4-inches x 6-inches and 83 percent defect free on its best side.
What does g2s mean in woodworking?
Good Two Sides (plywood grade)
What does S3S mean in lumber?
Surfaced Three Sides
Surfaced Three Sides: S3S It stands for “Surfaced Three Sides”, which, as used in Goosebay’s hardwood lumber descriptions, indicates that two faces have been planed, and one edge has been processed with a straight-line rip saw, rendering the edge straight and smooth.
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