Table of Contents
The second number (4) means “quarters of an inch”, or “quarters”. 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 the thickness of 8 4 lumber?
8/4 (eight-quarter) lumber is 2″ thick when rough sawn. When 8/4 lumber is planed, typically it is finished at 1.75″ thick. 12/4 (twelve-quarter) lumber is 3″ thick when rough sawn. When 12/4 lumber is planed, typically it is finished at 2.75″ thick.
What are the dimensions of 8 4 lumber?
Hardwood Lumber Dimensions Nominal Size Rough Size Actual Size: Surfaced 2 Sides 5/4 inch 1 1/4 inch 1 1/16 inch (27 mm) 6/4 inch 1 1/2 inch 1 5/16 inch (33 mm) 8/4 inch 2 inches 1 3/4 inch (44 mm) 12/4 inch 3 inches 2 3/4 inch (70 mm).
What is 8×4 wood?
Hardwood lumber comes in thicknesses measured in quarters of an inch. 2″ lumber is called 8/4 (eight quarters).
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 the actual size of a 2×8?
Common Dimensional Lumber Sizes Dimensional Lumber: Nominal Size vs. Actual Size 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 One-by-two or 1 x 2 3/4-inch x 1 1/2 inches.
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).
How wide is a 1×10?
1x Board Sizes The larger 1x boards (1×8, 1×10, etc.) lose 3/4 inch in width. That means a 1×10 is actually 3/4 inch in thickness by 9 1/4 inches.
What does BF mean in lumber?
1. Hardwood lumber is typically sold by the board foot, a unit of volume equivalent to a board that is one inch thick, one foot wide and one foot long, or 144 cubic inches.
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.
Is 4×8 plywood real 4×8?
Sheathing Plywood (Common: 15/32 in. x 4 ft. x 8 ft.; Actual: 0.438 in. x 48 in.
What are the dimensions of 4 4 lumber?
A board foot is 12″ X 12″ X 1″. A “quarter” system is commonly used in the hardwood lumber industry when referring to thickness. 4/4 refers to a 1 inch thick board, 6/4 is 1-1/2 inch, 8/4 is 2 inches, and so on.
How much does a 4 by 8 sheet of plywood cost?
“A sheet of [4-foot by 8-foot] half-inch plywood costs $65 today.
What is a 2×4 wood?
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 size is a 2×4?
The true measurement of a 2×4 is actually about 1.5×3. 5. When the board is first rough sawn from the log, it is a true 2×4, but the drying process and planning of the board reduce it to the finished 1.5×3. 5 size.
What are common lumber sizes?
Dimensional Lumber Nominal Size Actual Size 2×12 1-1/2″ × 11-1/4″ 4×4 3-1/2″ × 3-1/2″ 4×6 3-1/2″ × 5-1/2″ 6×6 5-1/2″ × 5-1/2″.
Why do 2×4’s have rounded edges?
2×4 have rounded edges as it’s very beneficial to the wood itself and those working with it. They reduce the number of injuries like unwanted splinters during the handling and manufacturing process and also ensure that the lumber stays looking its best all throughout until the customer sees it.
What are the advantages of quarter sawing?
These benefits include increased structural integrity: Smoother surface due to less distinct grain. Decreased expansion and contraction on the plank’s width. Twisting, cupping, and warping resistance.
How wide is a 2×8 pressure treated?
x 8 in. x 8 ft.; Actual: 1.5 in. x 7.25 in. x 96 in.).
What is a 2×8 board?
A 2×8 board is 1 1/2 x 7 1/4 inches (38 x 184 mm) dimensions in actuality. The board which is advertised and being sold by using nominal dimensions are a bit larger in size as compared to the actual size. Dimensional lumber is being cut to a specific width, length, and depth.
What size is a 1×4 board?
3/4″ x Nominal Size Actual Size 1×4 3/4″ x 3-1/2″ 1×6 3/4″ x 5-1/2″ 1×8 3/4″ x 7-1/4″ 1×10 3/4″ x 9-1/4″.
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.
