16 | Focus on MDF: Part 1
NORTH AMERICA Existing plants, December 2025 Company and Group
Location
Canada Arauco North America Arauco North America Roseburg Forest Products Uniboard
West Fraser Mills West Fraser Mills
St Stephen
Sault Sainte Marie Pembroke
Mont Laurier Quesnel
Whitecourt
Province/State
New Brunswick Ontario Ontario Quebec
British Columbia Alberta
Total Canada 2025 Total Canada 2024
Mexico Arauco
Duraplay
Industrias Emman Macosa
Tecnotabla (Proteak Uno) Durango
Hidaigo del Parral Octolan San Juan
Huimanguillo
Total Mexico 2025 Total Mexico 2024
US Company and Group Arauco North America Arauco North America
Kronospan
Kronospan Langboard
Roseburg Forest Products Roseburg Forest Products Swiss Krono LLC Unilin - US MDF Weyerhauser
Location Malvern Moncure
Mount Jewett Shippenville Eastaboga
Willacoochee Broken Bow El Dorado Medford Barnwell
Mount Gilead Columbia Falls
m3
/year
110,000 310,000 296,000 166,000 177,000 265,000
1,324,000 1,324,000
220,000 202,000 44,000 30,000
280,000 776,000 792,000
Arkansas
North Carolina Pennsylvania Pennsylvania Alabama Georgia
Oklahoma Arkansas Oregon
South Carolina Noth Carolina Montana
Total US 2025 Total US 2024
Total North America 2025 Total North America 2024
of a factor, especially in the US, encouraged by a relatively strong currency exchange against supplier currencies in Asia, South America, Mexico, and New Zealand. Vietnam is becoming a larger factor on the West Coast. But import tariffs are now playing a part in the pricing and supply option equations. Looking forward, Roseburg Forest Products’ multi-year investment of US$700m has been restarted (March 2026 announcement) in southern Oregon after having been paused.
The Dillard MDF plant will feature the
latest generation Siempelkamp continuous press, for making HDF as well as traditional MDF panels and value-added products for construction, cabinetry and flooring markets. “The plant will be one of the lowest cost
producers in the world, which significantly enhances Roseburg’s long-term competitive position in composite panels in the West specifically and North America in general,” said Stuart Gray, president and CEO of Roseburg Forest Products in March 2026.
Roseburg paused the project in early 2025 in response to uncertainty in the economy, volatile market conditions, and potential Oregon state policy shifts that would undermine the project’s viability. Investment also includes technological
improvements and upgrades at existing plants in rural Douglas and Coos counties. Dillard MDF will use wood residuals from Roseburg’s local mills as well as other regional mill suppliers to manufacture standard MDF, as well as thin HDF – often
WBPI | Summer 2026 |
www.wbpionline.com
m3/year 310,000 292,000 248,000 300,000 360,000 269,000 159,000 265,000 230,000 280,000 250,000 398,000
3,361,000 3,421,000 5,461,000 5,537,000
used in cabinetry, doors, and other applications. The plant will produce panels with a thickness range from 2mm to 28mm. “HDF is a new product for Roseburg that meets growing customer demand for domestically manufactured panels of increasing thinness and strength,” said CEO Grady Mulbery.
“Dillard MDF will be one of the most
technologically advanced plants of its kind in the world, and it alone represents US$450m of our US$700m investment.” Dillard Components will convert specialty MDF panels manufactured at Roseburg’s MEDITE MDF plant in Medford, into Armorite Trim, a finished exterior trim product for residential and shed use. Roseburg will invest roughly US$50m in this plant. The two plants together will be capable
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