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So, a “4/4” board is four quarters, or 1 inch thick, an “8/4” board is eight quarters, or 2 inches thick, a “10/4” board is ten quarters, or 2.5 inches thick, etc. Board Foot: Rough sawn lumber is usually sold by the “board foot” (bd. ft.).
What size is 4/4 lumber?
4/4 (four-quarter) lumber is 1″ thick when rough sawn. When 4/4 lumber is planed, it is typically finished at 13/16″ thick. 5/4 (five-quarter) lumber is 1.25″ thick when rough sawn. When 5/4 lumber is planed, typically it is finished at 1.063″ thick.
Why is it called 5 4 board?
Quarters refer to the thickness of rough-sawn lumber measured in ¼-inch increments. Instead of reading it as a fraction, it should be read as a number of quarters: 5/4 is five quarters, 4/4 is four quarters, etc.
What is the actual thickness of 5/4 lumber?
Hardwood Lumber Dimensions NOMINAL SIZE ROUGH SIZE ACTUAL SIZE: SURFACED 1 SIDE 5/4 inch 1 1/4 inch 1 1/8 inch (29 mm) 6/4 inch 1 1/2 inch 1 3/8 inch (35 mm) 8/4 inch 2 inches 1 13/16 inch (46 mm) 12/4 inch 3 inches 2 13/16 inch (71 mm).
How is lumber measured?
How Is Hardwood Lumber Measured? Width (in) x Thickness (in) x Length (in) / 144 = Board Feet. Width (in) x Thickness (in) x Length (ft) / 12 = Board Feet. Pieces x Width (in) x Thickness (in) x Length (ft) / 12 = Board Feet.
What is a 4 4 wood?
So, a “4/4” board is four quarters, or 1 inch thick, an “8/4” board is eight quarters, or 2 inches thick, a “10/4” board is ten quarters, or 2.5 inches thick, etc. Board Foot: Rough sawn lumber is usually sold by the “board foot” (bd. ft.).
What is s4 lumber?
S4S stands for “surfaced on 4 sides”, meaning that the material is finished on all four sides. Dimensional lumber is commonly S4S. S4S finished lumber and dimensional lumber are labeled according to nominal size, or the size of the rough board before it was planed smooth.
Why is a 2×4 not 2×4?
DIMENSIONAL LUMBER: In the past, when a timber was called a 2×4 [or “two-by-four”], it actually measured 2 inches by 4 inches. Because of this extra milling, a 2×4 no longer measures a full 2 inches by four inches. Instead, a 2×4 is really only 1 1/2″ by 3 1/2″.
What is a 5 4 inch board?
5/4 means approximately 1-1/4″ thick. 6/4 means approximately 1-1/2″ thick. 8/4 means approximately 2″ thick.
What does FAS mean in lumber?
FAS: (first and second grade) This stands for the highest grade of lumber. FAS grade includes some defects but is considered the premier lumber for furniture and cabinet making.
Can I use 2×6 for deck boards?
Wood decking is commonly available in 2×6 and 5/4 x 6 profiles. 5/4 x 6 is produced specifically for decking and is milled with a radius edge or bull nose. 2×6 is thicker and is stronger, but is also more expensive. Spacing between deck boards provide a few critical functions.
Why is lumber not the actual size?
The “nominal” cross-section dimensions of a piece of lumber, such as 2 X 4 or 1 X 6, are always somewhat larger than the actual, or dressed, dimensions. The reason is that dressed lumber has been surfaced or planed smooth on four sides (called S4S). The nominal measurement is made before the lumber is surfaced.
What does 5 quarter mean?
Definition of fifth quarter : the parts of a slaughtered animal other than offal that supplement the four quarters (as the giblets in poultry and the head, tail, hide, horns, hoofs, fat, tallow, tongue, heart, and liver in cattle and sheep).
What size is a 2×4?
A piece of surfaced (sanded smooth) 2×4 lumber actually measures 1½ inches thick and 3½ inches wide. In rough-cut condition, a 2×4 is slightly less than 2 inches thick and approximately 4 inches wide. When wood is milled from a rough to a smooth surface, it loses about ¼-inch from each of its four sides.
What are lumber sizes?
Common Dimensional Lumber Sizes Dimensional Lumber: Nominal Size vs. Actual Size Two-by-four or 2 x 4 1 1/2 inches x 3 1/2 inches Two-by-six or 2 x 6 1 1/2 inches x 5 1/2 inches Two-by-eight or 2 x 8 1 1/2 inches x 7 1/4 inches Two-by-ten or 2 x 10 1 1/2 inches x 9 1/4 inches.
Why is it called 2 by 4?
The ubiquitous lumber product known as the 2×4 does not, in fact, measure two inches thick by four inches wide. The naming of this building material is the result of compromise between forestry technology, species’ properties, forest composition, transportation efficiency, construction speed, and price competition.
What’s the actual size of a 2×10?
Nominal vs. Actual Measurements of Dimension Lumber Nominal Size Actual Size 2 x 6 1 1/2 x 5 1/2 inches (38 x 140 mm) 2 x 8 1 1/2 x 7 1/4 inches (38 x 184 mm) 2 x 10 1 1/2 x 9 1/4 inches (38 x 235 mm) 2 x 12 1 1/2 x 11 1/4 inches (38 x 286 mm).
What are the different grades of lumber?
The standard grades of hardwood lumber are: Grade Trade Name Min. cutting size Firsts and Seconds FAS 4″ x 5′ or 3″ x 7′ FAS One Face F1F 4″ x 5′ or 3″ x 7′ Select SEL 4″ x 5′ or 3″ x 7 No. 1 Common 1C 4″ x 2′ or 3″ x 3′.
What is quarter sawed lumber?
Quarter sawn lumber refers to the angle at which the tree’s growth rings intersect the face of the sawn board. Although there are differing opinions on the term, fully quarter sawn lumber is generally defined as growth rings that are 80 to 90 degrees to the face of the board.
