Manufacturing

All our mills in the United States that use logs or wood chips as their raw material are independently certified as meeting the SFI Certified Sourcing Standard. This includes all our primary facilities, which use logs or chips to produce pulp, paper, lumber, plywood and oriented strand board.

We have installed chain of custody certification at all cellulose fibers pulp mills, several softwood lumber mills and other selected manufacturing facilities as needed to meet customer needs. Weyerhaeuser's top management is committed to implementing chain of custody at selected sites and, while sites are certified, maintaining the chain-of-custody requirements in accordance with the applicable standard(s).

All our secondary manufacturing plants also meet the SFI Certified Sourcing Standard. Secondary mills use primary wood products such as lumber and veneer as their raw material. These certified product lines include TJI® Joists, Trus Joist® Parallam® PSL, Trus Joist® Microllam LVL, and TJ® Shear Brace.

All our manufacturing facilities have environmental management systems aligned with the ISO 14001 standard.

• Chain of Custody
• What Certification of our Procurement Systems Says About our Products

CHAIN-OF-CUSTODY

Under the SFI/PEFC standard, wood from certified forests used to make products is tracked through each stage of production from the forest to the end product. The chain-of-custody provision allows more precise claims about certified content.

WHAT CERTIFICATION OF OUR PROCUREMENT SYSTEMS SAYS ABOUT OUR PRODUCTS

• We know the areas our wood comes from and the type of supplier. Whether they are certified forests owned by major timberland owners, small family forests, sawmills that supply residual chips, wood dealers or provincial governments in Canada, we can identify the percentage and source of certified content in our products.
• We use independent auditors. Auditors of the SFI and PEFC standards must be accredited by the American National Standards Institute or the Standards Council of Canada. SFI Inc.'s 17-member multi-stakeholder board of directors comprises three chambers, representing environmental, economic and social interests equally, so it can meet the many needs of forests and communities. Board members include representatives of environmental, conservation, professional and academic groups, independent professional loggers, family forest owners, public officials, labor and the forest products industry. This diversity reflects the variety of interests in the forestry community. PEFC is a global umbrella organization for the assessment of recognition of national forest certification schemes developed in a multi-stakeholder process. All standards provide for public consultation.
• The SFI standard, unique among certification systems, requires manufacturers to reach out to family forest owners and educate them about sustainable forestry.
• We require the use of best management practices by our log suppliers. These practices, developed state by state, specify proper techniques for protecting watersheds and riparian areas.
• We promote sustainable forestry practices among those owners who have not yet pursued certification. In the United States, much of our fiber comes from family forest owners for whom formal certification is a major hurdle.
• We require the use of professionally trained loggers. In the U.S., 93 percent of our manufacturing facilities' raw material is harvested and delivered by professionally trained loggers.