PLIB provides lumber-grading and grade-stamping services to the lumber industry along with a wide range of other inspection and certification services for related wood-products manufacturers including Heat Treatment, Wood Packaging, CE Marking, WUI, Glulam, Cross-Laminated Timber, and Wood Trusses.

The PLIB registered grade marks and inspection certificates are recognized worldwide as evidence of quality. At the foundation of the PLIB grade service program are the PLIB Supervisors, whose decades of combined mill experience make …

PLIB announces the release of the 2024 edition of the WCLB Standard Grading Rules No. 18. Now Available in Perfect or Coil Bindings!

Learn about PLIB's options for lumber grader training - available in-person and soon also online - as well as our Grader Recognition Program.

ATTENTION!! You have selected 25 or more Coil Bound publications. Please remove some publications from your cart or contact PLIB directly for bulk shipping orders.

PLIB provides on-demand inspections for lumber grading and ISPM 15 wood packaging. Lumber Grading. There are two types of on-demand lumber grade inspections: Grade stamp / Certificate of Inspection and; Material-In-Structure inspection.

(Federal Way, WA) – Pacific Lumber Inspection Bureau (PLIB) has published a new grading rules book, WCLB Standard Grading Rules for West Coast & Imported Softwood Lumber, No. 18, 2022.

The Pacific Lumber Inspection Bureau (PLIB) is a private, non-profit 501 c(6) member-based quality control inspection agency.

U.S. Office - 253.835.3344 1010 South 336th Street #210 Federal Way, WA 98003 Canadian Office - 604.732.1782 P.O. Box 19118 Vancouver British Columbia V6K 4R8

Understanding the ISPM 15 regulation and how it applies to your particular situation can be confusing. PLIB has compiled a list of commonly asked questions to help you better understand the regulation, the IPPC mark, and the approval process for ISPM 15 wood packaging.