Produced in our SPF mills located in Alberta and southern British Columbia, our clean and bright SPF 4-Square™ J-grade lumber sets the standard for North American lumber. With minimal defects, small knots and its bright white appearance, this product is widely accepted as the premier product for modular and panelized construction worldwide.
For mill-direct, truckload or rail car sales inquiries in the Northwest: 1-800-426-0870
Interested in Weyerhaeuser lumber?
Product Literature
- pl-12000 - Building Sustainably with Weyerhaeuser Wood Products
- env-lumber - Product Environmental Profile - Softwood Lumber
- 1504 - Questions and Answers About Mold
- lb-4011 - Product Overview: Northwest Lumber Product Page
- green-douglas-fir-lumber-mycostat-sds - Green Douglas Fir Lumber - Mycostat Treated
- sds-wood-dust - Wood and Wood Dust, Untreated Lumber, Logs, Chips and Sawdust
- 1509 - Reducing Mold in the Supply Channel