Lumber sizes are usually given in "nominal" measurements. The nominal measurements are a board's size before it has been planed smooth (surfaced) on all 4 .
Mechanical Tolerance Variations of Lumber: Per. Voluntary Product Standard PS 20-05, American Softwood Lumber Standard. Dimension lumber can be .
Lumber sizes and standard lumber dimensions chart – measurements by width,. Same size and species pressure–treated lumber might be heavier than kiln .
Don't be confused by 2×4 dimensions when you buy lumber or read plans. We show you the quick translation to â€œactual" vs. "nominal lumber sizes"
Weights of green, kiln dried and pressure treated lumber boards.. tables below. Note that nominal dimensions are not the same as actual lumber dimensions.
Shop #2 pressure treated lumber (common: 6 x 6 x 16; actual: 5-1/2-in x 5-1/2-in x 16-ft) at Lowes.com.
Trying to figure out lumber dimensions can be confusing, especially when the nominal size doesn't match the actual size of the board.
(aka dimension lumber) Wood cut into standard sizes, such as 2×4, 1×6, etc.. Wood treated under pressure with minerals to make it resistant to rot and insects.