Roseburg 
Roseburg is North America’s largest, most diverse family-owned producer of wood products for green building including lumber, engineered wood, plywood, particleboard and decorative surface panels. Roseburg’s ownership of sustainably managed timberlands and innovative, eco-friendly manufacturing practices result in 30+ FSC® Certified, recycled and NAUF products that contribute to LEED® credits.
4specs Discussion Forum - Great place to ask questions about specifications, products and technical data. Free - no registration required to read or post (subject to moderation).
See also:
06 0500 - Wood Materials for general plywood and wood suppliers
06 1700 - Prefabricated Structural Wood - typically joists and lighter members
Roseburg
Roseburg is North America’s largest, most diverse family-owned producer of wood products for green building including lumber, engineered wood, plywood, particleboard and decorative surface panels. Roseburg’s ownership of sustainably managed timberlands and innovative, eco-friendly manufacturing practices result in 30+ FSC® Certified, recycled and NAUF products that contribute to LEED® credits.