However there is a difference between the nominal size what the lumber is referred to and the actual size. Here are the common sizes of lumber and their actual sizes.
2×4 The Home Depot
Structural Design Of Wood Framing For The Home Inspector Internachi
Nominal Vs Actual Lumber Dimensions
Dimensional lumber is cut to a specific length width and depth.
Actual dimensions of a 2×4 piece of wood. Plywood is graded so that each face receives a grade of a b c or d grades. Wood dimension chart this chart shows the nominal in name only and corresponding actual real dimensions of common wood sizes like 24 dimensions and 14 lumber. For example 2×4 2×8 etc.
The most common nominal thicknesses of plywood are 12 inch and 34 inch but once again the actual sizes are slightly different. The chart can be downloaded and printed from additional information below. Lumber sizes and measurement.
When the board is first rough sawn from the log it is a true 2×4 but the drying process and planing of the board reduce it to the finished 15×35 size. A sheet of 12 inch plywood is really 1532 inch thick while a 34 inch sheet is 2332 inch thick. First the tree is cut to basic sizes.
Thus the nominal size of the lumber you purchase is different from the actual size. 2x4s are not actually 2 inches by 4 inches. Hence a 2×4 becomes 1 12 x 3 12 etc.
The tables below provide both the nominal and actual sizes so many common north american lumber sizes. This dried piece is trimmed to actual dimension. The process of drying might kink the wood shrink it etc.
Once planed the wood is considered finished. Usually there is 12 inch difference in measurements over 2 inches and 14 inch in measurements less than 2 inches. This new wood has a natural high moisture content and will shrink when kiln dried.
Shop 2×4 16 Actual 1 1 2 X3 1 2 2 Or Standard Better Spf Hem
Dimensions Of 2 4 Metal Stud Steel I Beams Are Often Used In
Wood Actual Dimensions Ptekxlwz Info