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Laminated Veneer Lumber (LVL)

Laminated Veneer Lumber (LVL) is a relatively recent development, based on veneers similar to those used in plywood manufacture, but with the veneers almost entirely aligned parallel to the length of the piece (rather than cross-laminated as in the plywood panel). The LVL is typically sold in billets, suitable for load bearing members such as joists.

Structural building components can be made by peeling logs into veneer and then reassembling the veneer with parallel grain to form materials with very uniform bending strength and stiffness. LVL can also be found in the manufacture of 'I' beams, providing the flanges (which carry the greatest stress during use), separated by a web of OSB. As a result I-beams are lightweight but strong.