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.

WCLB Standard Grading Rules for West Coast and Imported Softwood Lumber, No. 18, 2024 The latest version of the WCLB Standard Grading Rules for West Coast and Imported Softwood Lumber, No. 18, 2024 edition, is now available. The revised rule book includes many updates and improvements from the previous edition, ranging from but not limited to;

(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.

PLIB staff is helpful, knowledgeable, and here to serve our members and subscribers. To contact our office staff, dial 253-835-3344.

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

introduction finish, stepping and bundled uppers pages 7-52; paras. 1-117 boards, sheathing, form lumber and fencing pages 53-67; paras. 118-119