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What is the actual thickness of 8 4 lumber?

What is the actual thickness of 8 4 lumber?

2 inches
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 thick should you mill lumber?

For hardwoods, the commercial target for 4/4 lumber is actually 1-1/8″, which allows enough margin to produce dried and planed lumber at a thickness of 13/16″ or 3/4″ (3/4″ is acceptable, but the extra 1/16″ of thickness in 13/16″ material allows room for additional planing or sanding after panels or doors are glued up …

How thick is a 2x4x8?

So, a framed wall built using 2 x 6 lumber measures 5 1/2 inches thick, but with a 1/2-inch piece of drywall attached to the wall, it then becomes a 6-inch thick wall….Actual Dimensions and Nominal Dimensions.

Nominal Measurement Actual (inches) Actual (mm)
2 x 4 1-1/2 x 3-1/2 38 x 89
2 x 6 1-1/2 x 5-1/2 38 x 140

Is a 4×8 sheet of plywood really 4×8?

Sheathing Plywood (Common: 15/32 in. x 4 ft. x 8 ft.; Actual: 0.438 in. x 48 in.

What are the thicknesses of wood?

Hardwood Sizing

Nominal Thickness S1S S2S
1 (4/4) inch 7/8 inch (22 mm) 13/16 inch (21 mm)
1 1/4 (5/4) inches 1 1/8 inches (29 mm) 1 1/6 inches (27 mm)
1 1/2 (6/4) inches 1 3/8 inches (35 mm) 1 5/16 inches (33 mm)
2 (8/4) inches 1 13/16 inches (46 mm) 1 3/4 inches (44 mm)

How thick is a 2×4 actually?

1½ inches thick
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.