Nominal Wood Sizes

The label put on the lumber you buy is called the nominal lumber size. A 2x6s real or true dimension is 15 x 55 - within the industry it is referred to as its actual size.

Lumber Dimensions 3d Warehouse

Here are the common sizes of lumber and their actual sizes.

Nominal wood sizes. The tables below provide both the nominal and actual sizes so many common North American lumber sizes. Actual dimensions of material given in quarters of an inch usually rough lumber sold directly by mill. The difference has to do with the sawmill process and shrinkage of the wood.

Refer to the wood size before it has been planed smooth or surfaced and squared up on all four sides. The actual measurements are the final size. The nominal names that were familiar with 12 24 112 etc.

Standard Timber Lengths Softwood comes in standard lengths of 180m 210m 240m 270m 30m 330m 360m 390m 420m 450m 480m 510m 540m 570m 60m and 630m. Actual dimensions You likely already know that a 24 is not as its name implies actually 2 inches by 4 inches. The first dimensions are its nominal onesthe name that everyone from the architect to the staff at Home Depot uses to refer to it.

A sheet of 12-inch plywood is really 1532 inch thick while a 34-inch sheet is 2332 inch thick. The Timber Merchant in general wont stock the smaller sizes and will prefer to sell the longer lengths. Sizes of Boards 1 inch S1S or S2S to.

The difference has to do with the sawmill process and shrinkage of the wood. There is also some shrinkage that occurs as the wood dries out both naturally and from the kiln. Knowing the actual lumber dimensions is.

Typically plywood is sold in 4 foot or 8 foot pieces with a nominal thickness of ½ inch or ¾ inch. After the board is dried and planed it becomes its actual size. The nominal measurements are a boards size before it has been planed smooth surfaced on all 4 sides.

The actual thickness of plywood is slightly smaller than the nominal name with the ½ inch actually measuring 1532 and the ¾ inch measuring 2332. Next theyre dried in a kiln then surfaced to an actual 1-12 in. Common Lumber Dimensions Nominal vs.

Nominal size vs. Nominal refers to the dimension the lumber was sawn. 50 rows Instead its actually 15 inches by 35 inches.

Soft conversion is conversion to metric with little rounding versus hard conversionwhere new metric. 42 rows At the same time length of lumber normally does not have nominal dimensions and only. If boards will be kiln dried after milling they start their lives sized 162 in.

Metric Lumber Sizes Nominal Actual Metric 2x4 15 x 35 38x89 2x6 15 x 55 38x140 2x8 15 x 725 38x184 2x10 15 x 925 38x235 2x12 15 x 1125 38x286 soft converted ACTUAL lumber sizes NOT nominals will be soft converted. 44 lumber S1S or S2S shall be 1316 inch thick. A nominal 2x4 board starts out 156 in.

If your project calls for precise measurements be sure to check your lumber before. Actual size will be smaller than listed nominal size do to loss of material when run through planer. When a 24 is cut out of a log it is 2x4.

However there is a difference between the nominal size what the lumber is referred to and the actual size. The actual size is always a little bit smaller. When the board is first rough sawn from the log it is a true 2x4 but the drying process and planing of the board reduce it to the finished 15x35 size.

In North America the 2x6 size is actually referring to the lumbers nominal dimension. The most common nominal thicknesses of plywood are 12 inch and 34 inch but once again the actual sizes are slightly different. Then the edges are surfaced planed reducing the actual size to 1-12 in.

Nominal Size Actual Size Terminology S4S Finished on all four sides usually sold at building supply stores. Hardwood vs softwood lumber sizes. Instead a board that size is 1½ inches by 3½ inches.

Yellow Pine Manufacturers Association Grading Rules adopted January 24 1906. However the actual dimensions of the wood are 34 inch x 1 12 inch and the nominal size is 12. Plywood is graded so that each face receives a grade of A B C or D with A representing the smoothest sanded finish.

Why a 2 4 is not always a 2 4 Lumber sizes are usually given in nominal measurements. Dimensional lumber is cut to a specific length width and depth. 2x4s are not actually 2 inches by 4 inches.

84 lumber S1S or S2S shall be 1-34 inches thick All lumber S1E takes off 38 inch S2E 12 inch.

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