Roseburg Forest Products, which announced in April a $700 million investment over the next four years to expand operations in southern Oregon, including a $450 million MDF plant in Dillard, Ore., has selected Siempelkamp as the primary supplier of the MDF plant, including a 10 ft. x 42.1 m ContiRoll continuous press.

The companies noted that in 1969 Siempelkamp supplied Roseburg Lumber with its very first composite panel press line.

Roseburg’s Oregon investment, which also includes a component manufacturing center at Dillard, and upgrades to existing plants in Douglas and Coos counties, is considered to be the largest known manufacturing investment in rural Oregon and one of the largest private capital investments in the state’s history.

According to Senior Vice President of Operations, Jake Elston, “Effective manufacturing in today’s globally competitive environment requires efficient and automated equipment as well as new skills, analytical tools and work methodologies to optimize production capacity and the work environment. We are excited to be working side by side with Siempelkamp on making these things come together for a long and successful future at the new plant.”

Siempelkamp is supplying the heart of the new MDF plant. The scope of supply includes a Büttner dryer line, sifter, the forming and press line, cooling and stacking line as well as the intermediate storage and the associated automation of the machine technology. The planning of the plant by Sicoplan is also included. Also integrated is a glue saving system for MDF, which through atomization technology is said to reduce glue consumption by up to 15% while enhancing panel quality.

A EcoScan NEO measuring system will also be used, which features high resolution analysis of basis weight distribution and foreign tramp material detection directly after the prepress. Via the adaptive forming system developed by Siempelkamp, it provides a closed control loop for best and permanent forming accuracy without human intervention.

The production process is expected to use up to 100% sawdust as raw material. “Here we score with our flexible press infeed, a very precise hydraulic system for thin boards, the EcoScan NEO concept, and the adaptive MDF forming system—all decisive reasons for Roseburg Forest Products to cooperate with us again,” comments Ulrich Kaiser, Head of Sales Wood Div. at Siempelkamp.

Fifty-four years ago it was Dr. Dieter Siempelkamp, Managing Director in the third Siempelkamp generation, who sold Roseburg the first operating system for composite panels. The companies noted they are united not only by the drive to push innovations but also by the commitment to long-standing loyalty and “handshake integrity,” core values of Roseburg Forest Products and Siempelkamp alike.

Speaking of the massive investment, Roseburg President and CEO Grady Mulberry adds, “Roseburg is embracing advanced manufacturing and leveraging new technology and methods to make our current products and develop new ones, with the goal of ensuring we remain competitive in the global market. I want to thank our partners at the Governor’s office and Douglas and Coos counties for helping make this historic investment possible.”

Dillard MDF will use wood residuals from Roseburg’s local mills as well as other regional mill suppliers to manufacture standard MDF panels as well as thin high density fiberboard (HDF), often used in cabinetry, doors, and other applications. The plant will produce panels with a thickness range from 2 mm to 28 mm.

“HDF is a new product for Roseburg that meets growing customer demand for domestically manufactured panels of increasing thinness and strength,” Mulbery says.

Dillard Components will convert specialty MDF panels manufactured at Roseburg’s MDF plant in Medford, Ore., into Armorite Trim, a finished exterior trim product for residential and shed use. This is an innovative, new product currently unavailable within the industry or market, according to Roseburg, which will invest roughly $50 million in this plant.

Roseburg currently owns and operates three MDF plants in North America. The company anticipates that both new plants will begin operations in 2025, and will employ approximately 120 once completed.

The remaining $200 million of the investment will go toward improvements and significant upgrades at the plywood plant in Riddle, Ore., including two new lathe lines and a new hardwood plywood line; and a new dryer at the plywood plant in Coquille, Ore.

In June 2022, Roseburg revealed that it was exploring the feasibility of locating an additional MDF plant or other residual-based operation within its Western operating footprint. That study, combined with a years-long strategic assessment of company operations across the state, resulted in the decision to make this investment in southern Oregon, where the company was founded in 1936.

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