Mills manufacturing OSB in North America expanded over the past ten years. Since 2012, North American OSB mill capacity increased 14% to 26 billion square feet (BSF). During this time, housing starts nearly doubled in the United States and increased 22% in Canada. Also, OSB gained market share from plywood, jumping from 55% of structural panel production in North America in 2012 to 71% in 2022. Mills added the most production capacity in the U.S. South with an increase of over 2 BSF. RoyOMartin built the newest OSB plant in the South in Corrigan, Texas in 2018. In ...