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.
