Skip to content
WCLB Standard Grading Rules for West Coast & Imported Softwood Lumber, No. 18, 2024 Taylor Reding 2025-01-30T12:03:18-08:00
TN-26 Design Values for Structural Glued Laminated Timber in Existing Structures (2023) Taylor Reding 2023-07-26T12:04:25-07:00
TN-25 Jobsite Care of Laminated Timbers in Arid Climates (2023) Taylor Reding 2023-07-26T12:03:22-07:00
TN-24 Guide for Specifying Structural Glued Laminated Timber (sample specification included) (2023) Taylor Reding 2023-07-26T12:02:20-07:00
TN-21 Volume Factor for Structural Glued Laminated Timber (2023) Taylor Reding 2023-07-26T12:01:17-07:00
TN-20 Guidelines to Minimize Moisture Entrapment in Panelized Wood Roof Systems (2023) Taylor Reding 2023-07-26T12:00:06-07:00
TN-19 Guidelines for Evaluation of Holes and Notches in Structural Glued Laminated Timber Beams (2023) Taylor Reding 2023-07-26T11:58:26-07:00
TN-18 Evaluation of Checks in Glued Laminated Timbers (2023) Taylor Reding 2023-07-26T11:53:49-07:00
TN-14 Use of Epoxies in Repair of Structural Glued Laminated Timber (2023) Taylor Reding 2023-07-26T11:52:26-07:00
TN-13 In-Service Inspection, Maintenance & Repair of Glued Laminated Timber Subject to Decay Conditions (2023) Taylor Reding 2023-07-26T11:49:04-07:00
TN-12 Designing Structural Glued Laminated Timber for Permanence (2023) Taylor Reding 2023-07-26T11:44:58-07:00
TN-11 Checking in Glued Laminated Timber (2023) Taylor Reding 2023-07-26T11:33:10-07:00
TN-10 AITC Quality Control Program (2023) Taylor Reding 2023-07-26T11:18:41-07:00
TN-08 Bolts in Glued Laminated Timber (2023) Taylor Reding 2023-07-26T11:19:09-07:00
WCLB Standard Grading Rules for West Coast & Imported Softwood Lumber, No. 18, 2022 Taylor Reding 2025-01-22T19:25:17-08:00
How to Dry Lumber for Quality & Profit Wayne 2020-10-23T22:10:57-07:00
AITC 26F-1-9E Floor Beams Live Load Wayne 2020-10-20T23:57:41-07:00
AITC 26F-1-9E Roof Beams Construction Load Wayne 2020-10-20T23:58:30-07:00
AITC 26F-1-9E Roof Beams Snow Load Wayne 2020-10-20T23:59:49-07:00
AITC SP-57 Floor Beams Live Load Wayne 2020-10-21T00:01:17-07:00
AITC SP-71 Roof Beams Construction Load Wayne 2020-10-21T00:02:03-07:00
AITC SP-72 Roof Beams Snow Load Wayne 2020-10-21T00:02:42-07:00
AITC SP-73 Floor Beams Live Load Wayne 2020-10-21T00:04:00-07:00
AITC SP-Herzcoff Special Roof Beams Snow Load Wayne 2020-10-21T00:11:22-07:00
AITC 16F-E10 Floor Beams Live Load Over 480 Wayne 2020-10-21T00:05:44-07:00
AITC 16F-E10 Floor Beams Live Load Wayne 2020-10-21T00:06:42-07:00
AITC 16F-E10 Roof Beams Construction Load Over 240 Wayne 2020-10-21T00:07:35-07:00
AITC 16F-E10 Roof Beams Construction Load Wayne 2020-10-21T00:08:28-07:00
AITC 16F-E10 Roof Beams Snow Load Over 240 Wayne 2020-10-21T00:09:16-07:00
AITC 16F-E10 Roof Beams Snow Load Wayne 2020-10-21T00:09:57-07:00
AITC DF-Special Roof Beams Snow Load Wayne 2020-10-21T00:12:14-07:00
AITC AC-FK Roof Beams Construction Load Wayne 2020-10-21T00:15:41-07:00
AITC AC-FK Roof Beams Snow Load Wayne 2020-10-21T00:16:23-07:00
AITC AC-FK Floor Beams Live Load Wayne 2020-10-21T00:17:24-07:00
WCLIB Glued Lumber Certification and Quality Control Manual Wayne 2020-10-20T17:19:32-07:00
WCLIB Standard for Machine Stress Rated Lumber Wayne 2020-10-20T17:17:23-07:00
Meeting Minutes PLIB Board of Directors – 2019-06-04 Wayne 2020-10-20T15:01:44-07:00
Meeting Minutes PLIB Grade & Technical Committee – 2019-10-30 Wayne 2020-10-20T15:02:02-07:00
Meeting Minutes AITC TAC – 2019-10-31 Wayne 2020-10-20T15:02:19-07:00
Meeting Minutes AITC TAC – 2020-05-13 Wayne 2020-10-20T15:02:39-07:00
Meeting Minutes PLIB Members – 2020-06-26 Wayne 2020-10-20T15:03:00-07:00
Meeting Minutes PLIB Board of Directors – 2020-06-26 Wayne 2020-10-20T15:03:20-07:00
Meeting Minutes PLIB Grade & Technical Committee – 2020-05-20 Wayne 2020-10-20T15:03:40-07:00
Meeting Minutes PLIB Board of Directors – 2019-12-05 Wayne 2020-10-20T15:03:59-07:00
Meeting Minutes AITC Committee – 2019-11-21 Wayne 2020-10-20T15:04:16-07:00
Meeting Minutes PLIB Members – 2019-06-25 Wayne 2020-10-20T15:04:39-07:00
Meeting Minutes PLIB Board of Directors – 2019-06-25 Wayne 2020-10-20T15:04:58-07:00
Tall Mass Timber Type of Construction Comparison Wayne 2020-10-16T20:23:05-07:00
AWC TR10-2020 Calculating the Fire Resistance of Wood Members and Assemblies Wayne 2020-10-08T20:42:06-07:00
PLIB Articles of Incorporation & Bylaws Wayne 2020-10-08T18:06:26-07:00
PLIB Monthly Shipment and Service Report for Members Wayne 2020-10-08T18:01:45-07:00
PLIB Monthly Shipment and Service Report for EU Members Wayne 2020-10-08T17:59:40-07:00
PLIB Monthly Shipment and Service Report for WPM & HT Subscribers Wayne 2020-10-08T17:55:22-07:00
PLIB Informe de Envío y Servicio para WPM & HT Subscribers Wayne 2020-10-08T17:51:51-07:00
PLIB Monthly Shipping Report for Glulam Wayne 2020-10-08T17:45:34-07:00
Certificate of Inspection Rules and Regulations for Authorized Signers Wayne 2020-10-08T17:41:02-07:00
HT Certification Instructions Wayne 2020-10-08T17:36:49-07:00
HT Certification Agreement Wayne 2020-10-08T17:33:53-07:00
HT Certification Authorization Wayne 2020-10-08T17:30:45-07:00
Stamp Order Form Wayne 2020-10-08T17:27:39-07:00
Tally Sheet Wayne 2020-10-08T17:24:58-07:00
PLIB Alcohol, Drugs and Controlled Substances Policy Wayne 2020-10-08T06:08:53-07:00
PLIB Alcohol Policy for Company Sponsored Meetings & Events Wayne 2020-10-08T06:09:16-07:00
PLIB Conflict of Interest Policy Wayne 2020-11-11T19:40:25-08:00
PLIB Service Fee Policy Wayne 2020-10-08T06:09:54-07:00
PLIB Record Retention and Document Destruction Policy Wayne 2020-10-08T06:10:29-07:00
PLIB Whistleblower Policy Wayne 2020-10-08T06:10:48-07:00
PLIB Registration Information Form Wayne 2020-10-08T06:12:13-07:00
AITC Certified Fabricator Application Wayne 2020-10-08T05:18:18-07:00
AITC Certification Process Outline Wayne 2020-10-08T05:18:55-07:00
NDS 2018 National Design Specification for Wood Construction Wayne 2020-10-08T05:19:21-07:00
ANSI 117-2020 Standard Specification for Structural Glued Laminated Timber of Softwood Species Wayne 2020-10-08T05:19:50-07:00
ANSI/TPI 1-2014 National Design Standard for Metal Plate Connected Wood Truss Construction Wayne 2020-10-08T05:20:09-07:00
ANSI/APA PRG 320-2019 Standard for Performance-Rated Cross-Laminated Timber Wayne 2020-10-08T05:20:54-07:00
IAS Certificate of Accreditation for Wood Trusses, Glulam, Cross-Laminated Timber Wayne 2020-10-14T19:07:03-07:00
Roof Beams Snow Load SP-57 Wayne 2020-10-06T15:21:01-07:00
California Proposition 65 Regulations Wayne 2020-10-15T15:24:52-07:00
Standard Patterns for Softwood Lumber Wayne 2020-10-15T15:24:42-07:00
Structural Glued Laminated Timber in Religious Structures Wayne 2020-10-15T15:22:19-07:00
Reglas de Clasificación Estándar para Madera de la Costa Oeste Wayne 2020-10-15T15:20:44-07:00
AITC Superior Fire Resistance Wayne 2023-04-14T09:48:22-07:00
Export ‘R’ List Grading & Dressing Rules Wayne 2020-11-11T19:53:53-08:00
Norma No. 17 Madera de la Costa Oeste 2008 Wayne 2020-11-11T19:53:05-08:00
TR-4: Assessing the Comparability of NDT Systems Using Standard Practices Wayne 2020-10-06T15:54:40-07:00
TR-2: Tension/Bending Ratios of Machine-Stress Rated Lumber Wayne 2020-10-06T15:45:23-07:00
TR-1: Comparing Machine Stress-Rated and Visually Graded Lumber in Walls and Columns Wayne 2020-10-06T15:57:02-07:00
AP-3: Property Values by Species – Domestic Species Wayne 2020-10-06T15:42:38-07:00
Interpretaciones de la Regala Norteamericana de Clasificación de Madera para Construcción de Coníferas Wayne 2020-10-06T15:57:44-07:00
Norma No. 17: 13. Glosario de Definiciones y Tablas de Alabeo Wayne 2020-10-06T16:46:14-07:00
Norma No. 17: 12. Patrones Wayne 2020-10-06T16:46:39-07:00
Norma No. 17: 11. Estipulaciones de Reinspección Wayne 2020-10-06T16:47:12-07:00
Norma No. 17: 10. Tabla de Largos Variados – Abreviaturas Wayne 2020-10-06T16:47:50-07:00
Norma No. 17: 09. Tablas de Tamaños de Madera Cepillada y Sin Cepillar Wayne 2020-10-06T16:48:45-07:00
Norma No. 17: 08. Medición de Características Madera MSR, Empalme Decola de Pescado Wayne 2020-10-06T16:49:11-07:00
Norma No. 17: 07. Valores d Diseño Wayne 2020-10-06T16:49:37-07:00
Norma No. 17: 06. Clases para Usos Especiales Wayne 2020-10-06T16:50:35-07:00
Norma No. 17: 05. Vigas y Largueros, Postes y Maderos Wayne 2020-10-06T16:50:58-07:00
Norma No. 17: 04. Terrazas, Cimientos Wayne 2020-10-06T16:51:31-07:00
Norma No. 17: 03. Clases Nacionales – Madera para Entramados Wayne 2020-10-06T16:51:56-07:00
Norma No. 17: 02. Tablas, Forro, Cimbra y Cercas Wayne 2020-10-06T16:52:22-07:00
Norma No. 17: 01. Introducción Acabado, Peldaño y Piezas de Mejor Clase en Fardo Wayne 2020-10-06T16:52:59-07:00
Standard No. 17: 13. Glossary of Definitions and Warp Charts Wayne 2020-10-06T16:54:51-07:00
Standard No. 17: 12. Patterns Wayne 2020-10-06T16:55:14-07:00
Standard No. 17: 11. Reinspection Provisions Wayne 2020-10-06T16:55:35-07:00
Standard No. 17: 10. Table of Random Lengths, Abbreviations Wayne 2020-10-06T16:55:59-07:00
Standard No. 17: 09. Tables of Surfaced Sizes – Rough Sizes Wayne 2020-10-06T16:56:21-07:00
Standard No. 17: 08. Measurement of Characteristics MSR Lumber, Finger Joint Wayne 2020-10-06T16:56:49-07:00
Standard No. 17: 07. Design Values Wayne 2020-10-06T16:57:11-07:00
Standard No. 17: 06. Special Use Grades Wayne 2020-10-06T16:57:37-07:00
Standard No. 17: 05. Beams and Stringers, Timbers and Posts Wayne 2020-10-06T16:57:59-07:00
Standard No. 17: 04. Decking, Foundation Wayne 2020-10-06T16:58:21-07:00
Standard No. 17: 03. National Grades – Framing Lumber Wayne 2020-10-06T16:58:55-07:00
Standard No. 17: 02. Boards, Sheathing, Form Lumber, and Fencing Wayne 2020-10-06T16:59:33-07:00
Standard No. 17: 01. Introduction, Stepping and Bundled Uppers Wayne 2020-10-06T16:59:56-07:00
Standard No. 17: 0. Index Wayne 2020-10-06T17:00:21-07:00
Interpretations for the National Grading Rules for Dimension Lumber Wayne 2020-10-06T15:26:03-07:00
Southern Pine Section Properties Wayne 2020-10-06T15:21:01-07:00
Western Species Section Properties Wayne 2020-10-06T15:21:01-07:00
Table 4 – Pitched and Tapered Curved Beams (Curved Length = 1/4 Span) Wayne 2020-10-06T15:21:01-07:00
Table 3 – Pitched and Tapered Curved Beams (Curved Length = 1/4 Span) Wayne 2020-10-06T15:21:01-07:00
Table 2 – Pitched and Tapered Curved Beams (Curved Length = 1/4 Span) Wayne 2020-10-06T15:21:01-07:00
Table 1 – Pitched and Tapered Curved Beams (Curved Length = 1/4 Span) Wayne 2020-10-06T15:21:01-07:00
Design Table for Pitched and Curved Beams Wayne 2020-10-06T15:21:01-07:00
Arch Tables for Southern Pine Wayne 2020-10-06T15:21:01-07:00
Arch Tables for Douglas Fir Wayne 2020-10-06T15:21:02-07:00
SP Column Table – Duration of Load = 1.25 Wayne 2020-10-06T15:21:02-07:00
SP Column Table – Duration of Load = 1.15 Wayne 2020-10-06T15:21:02-07:00
SP Column Table – Duration of Load = 1.0 Wayne 2020-10-06T15:21:02-07:00
DF Column Table – Duration of Load = 1.25 Wayne 2020-10-06T15:21:02-07:00
DF Column Table – Duration of Load = 1.15 Wayne 2020-10-06T15:21:02-07:00
DF Column Table – Duration of Load = 1.0 Wayne 2020-10-06T15:21:02-07:00
Composite Lumber – Southern Pine Glulam Conversion Wayne 2020-10-06T15:21:02-07:00
SP Lumber – Southern Pine Glulam Conversion Wayne 2020-10-06T15:21:02-07:00
50 ksi Steel – Southern Pine Glulam Conversion Wayne 2020-10-06T15:21:02-07:00
36 ksi Steel – Southern Pine Glulam Conversion Wayne 2020-10-06T15:21:02-07:00
Composite Lumber – Western Species Glulam Conversion Wayne 2020-10-15T15:15:35-07:00
DF-L Lumber – Western Species Glulam Conversion Wayne 2020-10-15T15:16:33-07:00
50 ksi Steel – Western Species Glulam Conversion Wayne 2020-10-06T15:21:02-07:00
36 ksi Steel – Western Species Glulam Conversion Wayne 2020-10-06T15:21:02-07:00
Roof Beams Snow Load SP-56 Wayne 2020-10-06T15:21:02-07:00
Roof Beams Construction Load SP-55 Wayne 2020-10-06T15:21:02-07:00
Floor Beams Floor Live Load SP-54 Wayne 2020-10-06T15:21:02-07:00
Roof Beams Snow Load SP-53 Wayne 2020-10-06T15:21:02-07:00
Roof Beams Construction Load SP-52 Wayne 2020-10-06T15:21:02-07:00
Floor Beams Floor Live Load SP-49 Wayne 2020-10-06T15:21:02-07:00
Roof Beams Snow Load SP-48a Wayne 2020-10-06T15:21:02-07:00
Roof Beams Construction Load SP-48 Wayne 2020-10-06T15:21:02-07:00
Floor Beams Floor Live Load DF-30 Wayne 2020-10-06T15:21:02-07:00
Roof Beams Snow Load DF-29 Wayne 2020-10-06T15:21:02-07:00
Roof Beams Construction Load DF-28 Wayne 2020-10-06T15:21:02-07:00
Floor Beams Floor Live Load DF-27 Wayne 2020-10-06T15:21:02-07:00
Roof Beams Snow Load DF-26 Wayne 2020-10-06T15:21:02-07:00
Roof Beams Construction Load DF-25 Wayne 2020-10-06T15:21:02-07:00
AITC Laminated Timber Architecture Wayne 2023-04-14T09:48:53-07:00
AITC 115-2023 Standard for Fabricated Structural Glued Laminated Timber Components and Assemblies Wayne 2024-03-08T13:12:05-08:00
Test Methods for Structural Glued Laminated Limber Wayne 2020-10-06T15:21:03-07:00
AITC 407-2005 Standard for alternate lumber grades for use in structural glued laminated timber Wayne 2020-10-06T15:21:03-07:00
AITC 406-2005 Standard for proof-graded lumber for glued laminated timber Wayne 2020-10-06T15:21:03-07:00
AITC 404-2005 Standard for radially reinforcing curved glued laminated timber members to resist radial tension Wayne 2020-10-06T15:21:03-07:00
AITC 403-2005 Standard for end joint use in lamination repair Wayne 2020-10-06T15:21:03-07:00
AITC 402-2005 Standard for Structural Composite Lumber (SCL) for use in structural glued laminated timber Wayne 2020-10-06T15:21:03-07:00
AITC 401-2005 Standard for manufactured lumber for use in glued laminated timber Wayne 2020-10-06T15:21:03-07:00
Timber Construction Manual, 6th edition, 2012 Wayne 2020-10-06T15:21:03-07:00
Arch Design Design of Tudor Arches with Structural Glued Laminated Timber Wayne 2020-10-06T15:21:03-07:00
TN-26 Design Values for Structural Glued Laminated Timber in Existing Structures (2007) Wayne 2023-07-26T10:27:54-07:00
TN-25 Jobsite Care of Laminated Timbers in Arid Climates (2005) Wayne 2023-07-26T10:28:14-07:00
TN-24 Guide for Specifying Structural Glued Laminated Timber (sample specification included) (2003) Wayne 2023-07-26T10:28:29-07:00
TN-21 Volume Factor for Structural Glued Laminated Timber (2005) Wayne 2023-07-26T10:28:46-07:00
TN-20 Guidelines to Minimize Moisture Entrapment in Panelized Wood Roof Systems (1992) Wayne 2023-07-26T10:29:03-07:00
TN-19 Guidelines for Evaluation of Holes and Notches in Structural Glued Laminated Timber Beams (2012) Wayne 2023-07-26T10:29:26-07:00
TN-18 Evaluation of Checks in Glued Laminated Timbers (2011) Wayne 2023-07-26T10:29:50-07:00
TN-14 Use of Epoxies in Repair of Structural Glued Laminated Timber (2005) Wayne 2023-07-26T10:30:07-07:00
TN-10 AITC Quality Control Program (2005) Wayne 2023-07-26T10:31:35-07:00
TN-08 Bolts in Glued Laminated Timber (2010) Wayne 2023-07-26T10:31:53-07:00
Western Lumber Grading Rules 2017 Wayne 2020-11-11T19:57:09-08:00
Standard No. 17 Grading Rules for West Coast Lumber 2018 Wayne 2025-01-28T18:05:52-08:00
NLGA Canadian Lumber Grading Manual Wayne 2023-01-27T16:11:11-08:00
Standard Grading Rules for Canadian Lumber 2022 Wayne 2023-01-27T16:11:08-08:00
Western Softwood Species & Grades Wayne 2020-10-06T15:21:04-07:00
Ponderosa Pine Species Guide Wayne 2020-10-06T15:21:04-07:00
Western Hem-Fir Species Guide Wayne 2020-10-06T15:21:04-07:00
Douglas Fir Species Guide Wayne 2020-10-06T15:21:04-07:00
AITC 104-2003 Typical Construction Details Wayne 2020-10-16T20:39:49-07:00
AITC 109-2023 Standard for Preservative Treatment of Structural Glued Laminated Timber Wayne 2024-03-08T13:12:40-08:00
AITC 110-2001 Standard Appearance Grades for Structural Glued Laminated Timber Wayne 2020-10-16T20:40:44-07:00
AITC 111-2005 Recommended Practice for Protection of Structural Glued Laminated Timber During Transit, Storage and Erection Wayne 2020-10-16T20:41:00-07:00
AITC 113-2010 Standard for Dimensions of Structural Glued Laminated Timber Wayne 2020-10-16T20:41:12-07:00
AITC 119-1996 Standard Specifications for Structural Glued Laminated Timber of Hardwood Species Wayne 2020-10-16T20:41:24-07:00
WUI Regulations Wayne 2020-10-15T15:24:13-07:00
Transient Grading and Inspection Services Wayne 2020-10-15T15:24:00-07:00
Quality Control and Grading Services Wayne 2020-10-15T15:23:43-07:00
PLIB in Europe Wayne 2020-10-15T15:23:34-07:00
ISPM 15 Wood Packaging Wayne 2020-10-15T15:22:59-07:00
Heat Treatment (HT) Certification and Supervision Services Wayne 2020-10-15T15:22:47-07:00