The availability of lumber sizes varies somewhat according to the area of the country from which the raw material originates. Lengths up to 6.1 m ( 20â€² ) are .
Lumber Dimensions – The actual sizes of common lumber sizes.. Nominal, Actual, Actual – Metric. 1" x 2", 3/4" x 1-1/2", 19 x 38 mm. 1" x 3", 3/4" x 2-1/2", 19 x 64 .
General rule converting nominal to actual softwood dimensions. subtract 1/4 inch for dimensions under 2 inches (51 mm) subtract 1/2 inch for dimensions under 8 inches (200 mm) subtract 3/4 inch for larger dimensions.
Commercial Standard Lumber Sizes Table Chart. than than 1/8" (3.2mm) thicker or wider than the nominal finished thickness or width, except that 20%. . The Canadian Lumber Standards Accreditation Board (CLSAB) monitors the quality of .
The standard reference for buying lumber is the nominal measurement. 'Nominal' refers to the dimension of rough lumber before it is dried and planed into the dressed boards most of us buy. In nominal measurement the width and thickness of a board is measured in regular fractions such as 1", 1 Â½" and 2".
Early concepts called for rough lumber to be of full nominal size, often. ground of yard lumber size standards and thus to add depth and meaning to the discussions.. . Size standards for Canadian lumber were the subject of a 1961 meeting.
In the United States and Canada, generally timber describes standing or felled trees, before. . Lumber's nominal dimensions are larger than the actual standard