History of Oriented Strand Board

Evolving from waferboard in the late 1970s, OSB is unique in that long wood strands are oriented, not randomly placed. Since its debut in 1978, OSB has been rapidly accepted. In fact, in many areas of North America, OSB has virtually replaced other panels in new residential construction. Today, all model building codes in the U.S. and Canada recognize OSB panels for the same uses as plywood on a thickness-by-thickness basis.

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