1933: Plywood developed

1934: Glulam developed

1968: Wood I-joists introduced

1980:OSB introduced

1983: Engineered wood represents less than 1% of the combined structural lumber and engineered wood volume.

1990: Engineered wood productions represents 1.7% of structural lumber products.

1999: OSB production exceeds plywood production

2007: Engineered wood reaches 6% of structural lumber products.

2008: Production of OSL in meaningful qualities begins