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.

## 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 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.

## Why is it called 5 4 lumber?

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.

## 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?

Nominal vs. Actual Measurements of Dimension Lumber Nominal Size Actual Size 2 x 4 1 1/2 x 3 1/2 inches (38 x 89 mm) 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).

## 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.

## What does s3s mean when buying a board?

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. The other edge is left rough, as the board came from the sawmill.

## What does 2×4 mean?

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. Now, most timber is milled and planed to give it a little more of a finished look, and a little more of a consistent size and profile.

## 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.

## What size is 4X2 timber?

47X100mm (4X2″) Sawn Treated, C24 Graded & Regularised Timber. 47x100mm is also commonly known as 4×2 inch, although the actual finished dimensions for this product are 45x95mm.

## What is the actual thickness of a 5 4 board?

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 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.

## 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 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″.

## Is a 2×8 really 2×8?

A 2×8 board is 1 1/2 x 7 1/4 inches (38 x 184 mm) dimensions in actuality.

## 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 much is red oak worth per board foot?

Shipping Additional Board-Feet < 10 100 – 499 Red Oak 4/4 Red Oak (Sel & Btr, 15/16) \$4.40 \$3.30 8/4 Red Oak (Sel & Btr, Rough) \$6.00 \$4.50.

## What does BD mean in wood?

Board Foot: BF or Bd. Ft. Board Foot is a volume measure of lumber. It is calculated using the dimensions of the lumber in the rough.

## What is a linear foot?

Technically, a linear foot is a measurement that is 12 inches long (so, one foot) and that is measured in a straight line, which is why it’s called linear.