Kretschmann, David E. Forest Products Laboratory, U.S. Department of Agriculture Forest Service, Madison, Wisconsin.
Last reviewed:January 2020
- Manufacturing and processing
- Moisture content
- Related Primary Literature
- Additional Reading
Timber sawed or split into planks, boards, and similar products. Lumber can come in many forms, species, and types from a wide variety of commercial sources. Because most lumber is manufactured similarly and graded by standardized rules, it is fairly uniform throughout the United States. This article describes the manufacturing, processing, and grading of commercial lumber and the effects of moisture content. See also: Wood products
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