Engineered wood is structural composite lumber created by layering dried and graded wood veneers, strands or flakes and binding them together with a moisture-resistant adhesive. The result is a stable building material that can support heavy loads and is less prone to warping, splitting or shrinking.
Different types of engineered wood are suitable for different applications. LVL lumber (laminated veneer lumber) is made of thin long wood veneers with the grain running parallel to the long direction of the board. This makes it ideal for use as engineered beams, rafters, scaffold planking and other applications that exceed conventional lumber lengths. PSL lumber (parallel strand lumber) is made of veneers clipped into long, parallel strands and can also be used in situations where a high bending strength is required. LSL lumber (laminated strand lumber) is made of flaked wood strands that are pressed together into a large mat and are well-suited for use as engineered framing and engineered columns. OSL lumber (oriented strand lumber) is made of smaller flaked wood strands and can be used as engineered floor joists and a variety of other applications.
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