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.

PLIB Grading Service Subscribers receive: Authorization for qualified personnel to grade stamp lumber and issue grade certificates. Regular inspections by knowledgeable and experienced PLIB Supervisors. Grade Quality Reports after every inspection.

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

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

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

When WCLIB and PLIB merged operations in 2019, PLIB was recognized by the American Lumber Standards Committee (ALSC) as a lumber grading rules-writing authority. No. 18, 2022 edition is the first major revision to the rule book since …

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;

Jan 24, 2019 · Pacific Lumber Inspection Bureau (PLIB) and West Coast Lumber Inspection Bureau (WCLIB) have merged operations into a single entity. The surviving organization, PLIB, will retain all of the trademarks and services formally offered by WCLIB, including the structural glued laminated timber certification services of the American Institute of ...

Lumber Grading Rules Also available: Interpretations for the National Grading Rules for Dimension Lumber Interpretaciones de la regala Norteamericana de clasificación de madera para construcción de coníferas NLGA Canadian Lumber Grading Manual Lumber Properties Design Standards Manufacturing Standards Tech Notes

PLIB offers on-demand lumber grading services for portable sawmills, contractors, mills and homeowners needing one-time grade stamping service