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3 Μαΐ 2023 · Standard sizes for dimensional lumber range from 2″ x 4″ to 2″ x 12″. However, sizing is nominal, and the actual sizes of the lumber are typically 1/2″ to 3/4″ smaller.
18 Μαρ 2023 · Dimensional lumber is cut to a specific length, width, and depth. However, there is a difference between the nominal size (what the lumber is referred to) and the actual size. The tables below provide both the nominal and actual lumber dimensions for many common North American lumber sizes.
29 Ιουν 2020 · 1x4 and 1x6 boards lose 1/4 inch in thickness and 1/2 inch in width before leaving the mill. That means a 1 x 4 board is actually 3/4 inches by 3 1/2 inches. The larger 1x boards (1x8, 1x10, etc.) lose 3/4 inch in width.
However, the actual size of lumber is less than its nominal size (due to shrinkage and surface planning at mills). The table below provides some common North American Lumber nominal sizes and their equivalent actual size. For example, 1x8 actual size is 3/4" x 7-1/4", and 2 x 12 actual size is 1-1/2" x 11-1/4", and 2x 10 actual size is 1-1/2" x ...
13 Σεπ 2024 · Dimensional lumber is wood lumber cut to pre-defined, standard sizes. A two-by-four (2x4) is an example of dimensional lumber. Nominal is the stated name (2x4, for example), and actual refers to the physical dimensions (1-1/2 inches by 3-1/2 inches).
8 Οκτ 2022 · Chart shows nominal lumber dimensions and their actual sizes in inches and millimeters. With an explanation of why there's a difference.
3 Απρ 2024 · Understanding the Nominal Dimension System. The nominal dimension system, while seemingly outdated, remains the cornerstone of lumber purchasing. Unlike the actual dimensions of the wood, nominal sizes reflect the pre-processed size before drying and planing.
