Roseburg announced that it will permanently end operations at its Missoula, Montana, particleboard plant on May 22, 2024. The closure is the final step in the company’s strategic plan to exit the particleboard manufacturing business and focus resources on other product segments, including MDF, engineered wood, plywood, and lumber. Roseburg acquired the Missoula particleboard plant from Louisiana-Pacific in 2003 in an expansion of the company’s composite panel business. Built in 1969, the age of the manufacturing platform created challenges as the mill competed with more modern plants. “The decision to permanently close a plant is ...