Technical Document Library

Product Guide: Performance Rated Siding Product Guide - E300 Describes the following for performance rated siding: face grades, textures and patterns; finishing; ordering/specifying; basic application recommendations Research Report 138: Plywood Diaphragms Research Report - E315 This publication describes tests of high-load diaphragms with multiple rows of fasteners, glued diaphragms, and diaphragms with openings Research Report 154: Wood Structural Panel Shear Walls Research Report - Q260 This report includes test results of unblocked, stapled and metal-framed shear walls, and a summary of previous shear wall tests. Glulam Product Guide Product Guide - X440 This product guide provides an overview of APA trademarked glulam and discusses design considerations, applications and specification Product Guide: Sanded Plywood Product Guide - K435 This publication describes the specification, advantages, applications and finishing recommendations of sanded plywood and includes trademark examples and explanations Product Guide: HDO/MDO Plywood Product Guide - B360 Describes high density overlay (HDO) and medium density overlay (MDO) plywood applications, properties and characteristics, and shop practice and finishing recommendations APA System Report 102: APA Simplified Wall Bracing Method System Report - SR-102 This report provides an approach to meet the requirements of the 2024, 2021, 2018, 2015 and 2012 IRC simplified wall bracing (Section R602.12). APA System Report 101: Design for Combined Shear and Uplift from Wind System Report - SR-101 This report discusses using wood structural panels to resist uplift from wind, including resistance to lateral shear forces and wind pressure perpendicular to the wall APA System Report 405: Fire Protection of Floors Constructed with Prefabricated Wood I-Joists for Compliance with the International Residential Code System Report - SR-405 This system report provides guidance on fire protection of floors constructed with prefabricated wood I-joist assemblies that comply with 2015, 2018, 2021 and 2024 IRC updates APA System Report 103: Use of Wood Structural Panels for Energy-Heel Trusses System Report - SR-103 This publication outlines a construction solution to meet the IRC’s lateral and wind uplift load requirements using wood structural panels with raised-heel, or energy-heel, trusses Texas Straight-Line Wind Damage Assessment Report Damage Assessment Report - SP-1182 This report summarizes the findings of a team of engineers who visited the site of a 2017 Texas windstorm to assess the damages sustained by residences Joint Research Report: Evaluation of Force Transfer Around Openings - Experimental and Analytical Studies Research Report - M410 This report contains research results on force transfer around openings (FTAO). This study was a joint effort between APA, the USDA FPL and the UBC. Texas Tornado Damage Assessment Report Damage Assessment Report - SP-1177 This publication contains damage assessments from the December 2015 tornado storm near Dallas, TX, including wind-resistant construction recommendations Quarterly Production Report Q1-26 Market Analysis Reports - QPRO-26 The APA Quarterly Production Report delivers comprehensive, up-to-date data on North American structural wood panel and engineered wood product markets Quarterly Production Report Q2-26 Market Analysis Reports - QPRO-26 The APA Quarterly Production Report delivers comprehensive, up-to-date data on North American structural wood panel and engineered wood product markets Monthly Housing Report Annual Subscription Market Analysis Reports - MHRS-26 Monthly U.S. & Canadian housing market analysis covering starts, permits, home sales, mortgage rates, remodeling, and wood product demand indicators. Annual subscription. Finishing APA Rated Siding Builder Tip - Q350 This publication describes recommended finishes and application recommendations for APA Rated Siding. 303 Siding Manufacturing Specifications Data File - B840 This publication provides minimum requirements that plywood panels must meet to qualify for classification as APA 303 Series specialty siding. R20 Wall—Insulated Siding Typical Details - DT-CWA-4 This detail shows R20 wall assembly with insulated siding (R2 min.), engineered wood or lumber header, wood structural panel sheathing, and R19 compressed fiberglass batts. Buckling of Wood-Based Panel Siding Technical Note - F410 This publication describes mechanism and construction features that contribute to siding buckling Performance Rated Panels Product Guide - F405 This product guide describes performance standards, applications, trademark and performance category information for APA Performance Rated Panels Laboratory Tests Evaluate Design Values of Thermo-Ply® Red Product Advisory - SP-1172 This product advisory contains results of testing to measure the shear wall performance of Thermo-Ply® sheathing Cross-Laminated Timber—North American CLT vs. Imported Product Technical Guides - S500 This publication describes the stringent product standards required for cross-laminated timber manufactured in North America, which may not be met by imported products Window Opening Detail—Wood Siding Typical Details - DT-BB-18 This detail shows window head and sill flashing with siding. ESR Joint Evaluation Report - ESR-1301 LP OSB:
LP® SmartSide® and LP® SmartSide® ExpertFinish® Treated-Engineered-Wood Lap, Panel, Shake Lap, Nickel Gap Lap and Vertical Siding Imported Plywood Panels from Brazil Product Advisory - SP-1185 This publication provides test results for imported plywood panels from Brazil, evaluated for conformance to U.S. Product Standard PS 1 Oriented Strand Board Product Guide - W410 This product guide provides an overview of oriented strand board (OSB) and discusses OSB composition, properties, code acceptances and applications Performance of Flexible Structural Sheathing Product Advisory - SP-1186 This publication discusses overstated published lateral load design properties of eight flexible structural sheathing products Z-Flashing Installation—APA Rated Siding Typical Details - DT-BB-19 This detail shows z-flashing installation at horizontal joint between APA panel siding. Voluntary Product Standard PS 1-22, Structural Plywood Standards - L870 This publication is the national standard for performance requirements and marking plywood for construction and industrial uses. ANSI A190.1-2022 Product Standard for Structural Glued Laminated Timber Standards - ANSI A190.1-2022 This ANSI Standard contains requirements for the manufacture and quality control of structural glued laminated timber. California Wildland Urban Interface Approvals for APA Siding Technical Topic - TT-091 Details the layups for APA 303 grooved plywood sidings (T1-11 and reverse board & batten), representing minimal plywood siding constructions as typically found in the marketplace. APA Sturd-I-Wall (Horizontal Panel Siding Installation) Typical Details - DT-EWG-12 This detail shows APA Rated horizontal panel siding applied directly to wall framing in an APA Sturd-I-Wall system. APA Rated Lap Siding Over Wood Structural Panel Sheathing Typical Details - DT-EWG-6 This detail shows APA Rated lap siding installed over wood structural panel sheathing with a weather-resistive barrier on a wood-framed exterior wall assembly. APA Rated Panel Siding Over Wood Structural Panel Sheathing Typical Details - DT-EWG-7 This detail shows APA Rated siding panels applied over wood structural panel sheathing with a weather-resistive barrier on a wood-framed wall assembly. APA Rated Siding Exterior, 5/8" Type X Gypsum Sheathing Typical Details - DT-FR-4 This detail shows a one-hour fire-rated wood-framed wall assembly with Type X gypsum sheathing and wallboard, optional insulation, and APA rated siding exterior finish. Minimum 3/8" APA Rated Siding Exterior Plywood Typical Details - DT-FR-8 This detail shows fire-rated wall assembly detail of 3/8" APA rated plywood siding over Type X gypsum wallboard with optional insulation on 2x4 studs at 16" on center. Green Verification Report - GR-L274 Nordic Structures I-Joists:
Nordic Joist™ Prefabricated Wood I-Joists ANSI/APA PRP 210-2024: Standard for Performance-Rated Engineered Wood Siding Standards - ANSI/APA PRP 210-2024 This ANSI/APA standard provides requirements and test methods for qualification and quality assurance for performance-rated engineered wood siding. Voluntary Product Standard PS 2-18, Performance Standard for Wood Structural Panels Standards - S350 Performance requirements, adhesive bond performance, panel construction and workmanship, dimensions and tolerances, marking and moisture content of wood structural panels. Nail-Base Sheathing for Siding and Trim Attachment Construction Guide Technical Guides - Q250 Determine the type and spacing of siding fasteners to meet building code requirements when using wood structural panel sheathing as a nail base (also called nailable sheathing) Recommended Uniform Live Loads for PS 1 APA 303 Siding Technical Topic - TT-021 Table of recommended uniform live loads for PS 1 APA 303 siding when used as open soffit or combined roof decking-ceiling with long dimension perpendicular to supports. Green Verification Report - GR-L259 Roseburg Forest Products Company I-Joists:
Roseburg RFPI® Series I-Joists Green Verification Report - GR-L289 Roseburg Forest Products Company Rim Board, SCL:
RigidLam® LVL, RigidRim® LVL Rim Board A Guide To Engineered Wood Products Technical Guides - C800 Describes common engineered wood products: plywood, oriented strand board (OSB), I-joist, glued laminated timber (glulam), structural composite lumber (SCL) and rim board. Structural Insulated Panels Product Guide - H650 This publication covers SIP advantages, applications, design and construction considerations, connection details, assembly and related topics. APA Rated Siding Panels Over Rigid Foam Insulation Sheathing Technical Note - C465 This publication provides installation recommendations and test results for energy-saving APA Sturd-I-Wall construction APA Rated Siding Exterior or Other Exterior Finish (Code-Recognized Type), 5/8" Type X Gypsum Sheathing, Minimum 7/16" APA Rated Sheathing Exposure 1 OSB or Plywood Typical Details - DT-FR-3 This detail shows fire-rated exterior wall assembly with APA rated siding over sheathing, insulation, 2x4 wood framing at 16" on center and Type X gypsum wallboard interior finish. APA Rated Siding Exterior or Other Exterior Finish (Code-Recognized Type), 5/8" Type X Gypsum Sheathing, Minimum 15/32" APA Rated Sheathing Exposure 1 OSB or Plywood Typical Details - DT-FR-2 This detail shows a fire-rated wall assembly using wood structural panel sheathing over studs with gypsum wallboard, fire protective membrane, and glass fiber insulation. Minimum 1/2" APA Rated Siding Exterior Plywood, 1" Rigid Foam Insulation Sheathing; Exterior Finish-Elastomeric Coating, 1" Rigid Foam Insulation Sheathing, Minimum 1/2" APA Rated Sheathing Exposure 1 Plywood Typical Details - DT-FR-7 Fire-rated wall assembly of two UL-rated configurations (U330 and U335) with different exterior finishes over wood framing with mineral wool or glass fiber insulation. Sill Flashing at Sliding Glass Door Typical Details - DT-BB-6 This detail shows sill flashing detail at sliding glass door of pan flashing counter-flashing deck flashing and water-resistive barrier. Engineered Wood Products Help Navigate Design Challenges and Tariffs for North Carolina Senior Living Project Case Studies - C440 This case study discusses how engineered wood products helped overcome structural, acoustic and cost challenges at a North Carolina senior living expansion project. APA Product Reports - PR-C302 Roseburg Forest Products Company Plywood:
DuraTemp® Lap and Panel Siding Formaldehyde and Engineered Wood Products Technical Note - J330 This publication addresses concerns related to formaldehyde in engineered wood products and explains their exemption from leading formaldehyde emission standards and regulations. Plywood or OSB? Used as Intended, the Two Products are Interchangable Technical Topic - TT-047 This publication discusses the standards under which plywood and oriented strand board (OSB) are qualified and the interchangeability of the two products, depending on the end use ESR Joint Evaluation Report - ESR-1251 Roseburg Forest Products Company I-Joists:
RFPI® Prefabricated Wood I-Joists APA Product Reports - PR-L259C Roseburg Forest Products Company I-Joists:
Roseburg RFPI® Series I-Joists APA Product Reports - PR-L289 Roseburg Forest Products Company Rim Board, SCL:
RigidLam® LVL and RigidRim® LVL Rimboard APA Product Reports - PR-L289C Roseburg Forest Products Company Rim Board, SCL:
RigidLam® LVL and RigidRim® LVL Rimboard APA Product Reports - PR-L345 Alamco Wood Products, LLC Glulam:
Alamco Structural Glued Laminated Timber APA Product Reports - PR-L349C West Fraser LVL SCL:
West Fraser LVL and LVL Studs APA Product Reports - PR-L259 Roseburg Forest Products Company I-Joists:
Roseburg RFPI® Series I-Joists APA Product Reports - PR-L269 WFP Engineered Products, LLC Glulam, Rim Board:
WFP GL 3000 Glulam and WFP Rim APA Product Reports - PR-L313 Boise Cascade Wood Products, LLC Glulam:
KING BEAM® 3000 and BOISE GLULAM® APA Product Reports - PR-L335 Boise Cascade Wood Products, LLC SCL:
Boise Cascade VersaWorks® Veneer Laminated Timber APA Product Reports - PR-L335C Boise Cascade Wood Products, LLC CLT:
Boise Cascade® Veneer Laminated Timber APA Product Reports - PR-N136 Georgia-Pacific Wood Products LLC OSB:
Georgia-Pacific ForceField® Weather-Resistive Barrier OSB APA Product Reports - PR-S201 Boise Cascade Wood Products, LLC SCL, I-Joists, Rim Board:
BCI® and AJS® I-Joists, and Versa-Lam® Rim Boards (Fire-Rated Assemblies) APA Product Reports - PR-S202 Georgia-Pacific Wood Products LLC Rim Board:
FiberStrong®, GP, and APA Rim Board APA Product Reports - PR-S259 Roseburg Forest Products Company I-Joists, SCL, Rim Board:
Roseburg RFPI® Series I-Joists and RigidRim® LVL Rimboard ESR Joint Evaluation Report - ESR-1040 Boise Cascade Wood Products, LLC SCL:
VERSA-LAM® Laminated Veneer Lumber ESR Joint Evaluation Report - ESR-5157 Boise Cascade Wood Products, LLC CLT, SCL:
Boise Cascade Veneer Laminated Timber APA Product Reports - PR-L263 Canfor Glulam:
Power Beam® and Power Rated Glulam (PRG®) APA Product Reports - PR-L282 Canfor Glulam:
Power Preserved Glulam® Beams and Columns Decay of Engineered Wood Products Customer Service Tip - W505 This publication discusses the causes of fungal decay in wood structural panels and how proper design, construction and maintenance can prevent fungal decay. Mulching Engineered Wood Products: An Alternative to Landfills Technical Topic - TT-098 This publication discusses the benefits of mulching construction-related wood scraps, including glued engineered wood products Deflection Limits in the 2018 IBC for Engineered Wood Products Technical Topic - TT-123 This publication clarifies the applicability of the D+L deflection limits specified in Table 1604.3 of the 2018 IBC, specifically as they pertain to engineered wood products. Applicability of APA Trademarks on Engineered Wood Products Surface-Coated with Fire Protective Coatings Technical Topic - TT-126 Publication answers common questions about fire-protective coatings. Certification and inspection of products with fire-protective coatings are generally outside the scope of APA. Performance Standards and Qualification Policy for Wood Structural Panels Standards - E445 This publication describes requirements and test methods for APA Performance Rated Panels (APA Rated Sturd-I-Floor®, APA Rated Sheathing and APA Rated Siding). Wood Structural Panels Used as Nailable Sheathing Technical Topic - TT-109 This publication discusses how wood structural panels can withstand earthquake, wind, wind suction and pressure loads while permitting the anchorage of lightweight siding materials Vertical Inside and Outside Corner Joints Typical Details - DT-EWG-37 This detail shows vertical corner joint configurations for APA panel and lap siding — butt and caulk, corner board lap joints, and lap siding corners — in horizontal section view. APA Product Reports - PR-N217 Plywood, OSB:
Performance Standards and Qualification Policy for Wood Structural Panels and Performance Standard for 303 Siding APA Product Reports - PR-N124 LP OSB:
LP® SmartSide® and LP® SmartSide® ExpertFinish® Treated-Engineered-Wood Lap Panel, Shake Lap, Nickel Gap Lap, and Vertical Siding APA Product Reports - PR-N140 LP OSB:
LP BuilderSeries® Treated-Engineered-Wood Lap Siding with SmartLock™ Technology Horizontal Beltline Joints Typical Details - DT-EWG-22 This detail shows three horizontal beltline joint configurations for APA panel siding at floor lines in multistory construction. APA Sturd-I-Wall (Vertical Panel Installation) Typical Details - DT-EWG-13 This detail shows APA Rated vertical panel siding applied directly to wall framing in an APA Sturd-I-Wall system with weather-resistive barrier. Horizontal Wall Joints Typical Details - DT-EWG-23 This detail shows three horizontal joint configurations for APA panel siding — butt and flash, lap, and shiplap — each with blocking flatwise or edgewise at the joint location. Single Double I-Joist Blocking Typical Details - DT-IJ-13 This detail shows installation of single or double I-joists to a top plate along an exterior wall and where backer blocks would be required for siding attachment. Vertical Wall Joints Typical Details - DT-EWG-38 This detail shows four vertical joint configurations for APA panel siding butt, shiplap, reverse board and batten, T1-11 and channel groove, and vertical batten. APA Panel Wall Sheathing Typical Details - DT-EWG-5 This detail shows APA Rated wall sheathing applied in two orientations- strength axis across or parallel to studs- with weather-resistive barrier and siding on a wood-framed wall. One-Hour Fire-Rated Exterior Load-Bearing Wall Assembly Typical Details - DT-EWG-30 One-hour fire-rated exterior wall assembly using APA Rated siding, gypsum sheathing, weather-resistive barrier, and Type X gypsum wallboard over 2x4 wood stud framing. R20 Wall—2x4 Framing Typical Details - DT-CWA-1 This detail shows R20 2x4 wall assembly at 16" o.c. with insulated header, insulated siding (R3 min.), insulated corner, R15 cavity insulation, and wood structural panel sheathing. R20 Wall—Insulated Headers Typical Details - DT-CWA-3 This detail shows R20 wall assembly at 24" o.c. with insulated header (R13.8), insulated corner, R21 cavity insulation, and wood structural panel sheathing with wood/vinyl siding. Engineered Wood Construction Guide: Panel Selection and Specification Excerpt - E30X-PSS This publication is an excerpt from the APA Engineered Wood Construction Guide, providing product descriptions and specification recommendations for wood structural panels Plywood Design Specification Technical Guides - Y510 This publication includes section properties, recommended design stresses and design methods for plywood manufactured under Voluntary Product Standard PS 1 Engineered Wood Handbook & Grade Glossary Technical Guides - X505 This publication provides a list of engineered wood products and common construction terminology explained in easy-to-understand language. APA Product Reports - PR-E740 Multiple Companies Boise Cascade Wood Products, LLC, Nordic Structures

CLT, Glulam:
Qualified Glulam and CLT Products with Low Formaldehyde Emissions APA Product Reports - PR-L297 Mississippi Laminators, Incorporated Glulam:
Mississippi Laminators Glulam Products APA Product Reports - PR-L233 PWT Rim Board, SCL:
PWT™ Laminated Veneer Lumber and Rim Board APA Product Reports - PR-L233C PWT SCL, Rim Board:
PWT™ Laminated Veneer Lumber and Rim Board APA Product Reports - PR-L238 PWT I-Joists:
PWT™ I-Joists APA Product Reports - PR-L238C PWT I-Joists:
PWT™ I-Joists APA Product Reports - PR-L251 Rosboro Glulam:
Rosboro Structural Glued Laminated Timber APA Product Reports - PR-L261C Interfor I-Joists:
P3 Joist I-Joists APA Product Reports - PR-L274 Nordic Structures I-Joists:
Nordic Structures Prefabricated Wood I-Joists APA Product Reports - PR-L274C Nordic Structures I-Joists:
Nordic Joist™ APA Product Reports - PR-L275 Rosboro Glulam:
Rosboro Treated Glulam APA Product Reports - PR-L283 Murphy Company SCL:
Murphy Laminated Veneer Lumber APA Product Reports - PR-L294 Nordic Structures Glulam:
Nordic Lam™ APA Product Reports - PR-L294C Nordic Structures Glulam:
Nordic Lam™ APA Product Reports - PR-L301 Global LVL Inc. SCL:
Global LVL APA Product Reports - PR-L304 Rosboro Rim Board:
X-RIM Board APA Product Reports - PR-L305 QB Corporation Rim Board, Glulam:
QB Structural Glued Laminated Timber and QB RIM APA Product Reports - PR-L306 Nordic Structures CLT:
Nordic X-Lam APA Product Reports - PR-L306C Nordic Structures CLT:
Nordic X-Lam APA Product Reports - PR-L307 Murphy Company SCL:
Murphy ConBeam LVL APA Product Reports - PR-L312 Murphy Company SCL:
2350Fb-2.0E Murphy LVL Scaffold Planks APA Product Reports - PR-L316 PWT SCL:
PWT™ LVL Scaffold Planks APA Product Reports - PR-L317 Nordic Structures Glulam:
Nordic Lam™ Scaffold Plank APA Product Reports - PR-L319 SmartLam NA Columbia Falls, LLC CLT:
SmartLam Cross-Laminated Timber APA Product Reports - PR-L321 Shelton Structures Inc. Glulam:
Shelton Glulam Columns APA Product Reports - PR-L328 Vaagen Timbers, LLC CLT:
Vaagen Cross-Laminated Timber APA Product Reports - PR-L329 PWT SCL:
PWT™ Preservative-Treated Laminated Veneer Lumber APA Product Reports - PR-L330 IB EWP Inc. I-Joists:
IB Series I-Joists APA Product Reports - PR-L330C IB EWP Inc. I-Joists:
IB Series I-Joists APA Product Reports - PR-L331 Nordic Structures CLT:
Nordic X-Lam Industrial CLT Matting APA Product Reports - PR-L331C Nordic Structures CLT:
Nordic X-Lam Industrial CLT Matting APA Product Reports - PR-L332 Kalesnikoff Mass Timber, Inc. CLT:
Kalesnikoff Cross-Laminated Timber APA Product Reports - PR-L332C Kalesnikoff Mass Timber, Inc. CLT:
Kalesnikoff Cross-Laminated Timber APA Product Reports - PR-L333 Kalesnikoff Mass Timber, Inc. Glulam:
Kalesnikoff Structural Glued Laminated Timber APA Product Reports - PR-L334 West Fraser LVL SCL:
West Fraser LVL Tension Lams APA Product Reports - PR-L336 Rosboro Rim Board:
Rosboro X-Rim+ and X-Rim FRT APA Product Reports - PR-L337 Freres Lumber Co., Inc. CLT:
Freres Industrial MPP Matting APA Product Reports - PR-L338 Zip-O-Laminators, LLC Rim Board:
Zip-Rim APA Product Reports - PR-L339 Element5 Limited Partnership CLT:
Element5 Cross-Laminated Timber APA Product Reports - PR-L339C Element5 Limited Partnership CLT:
Element5 Cross-Laminated Timber APA Product Reports - PR-L340 Resolute Engineered Wood I-Joists:
Resolute RSI I-Joists APA Product Reports - PR-L340C Resolute Engineered Wood I-Joists:
Resolute RSI I-Joists APA Product Reports - PR-L342 AcuTruss Industries 1996 (LTD) I-Joists:
AcuJoist ACJ® Series I-Joists APA Product Reports - PR-L342C AcuTruss Industries 1996 (LTD) I-Joists:
AcuJoist ACJ® Series I-Joists APA Product Reports - PR-L344 Vaagen Timbers, LLC Glulam:
Vaagen Structural Glued Laminated Timber APA Product Reports - PR-L352 D.R. Johnson Wood Innovations Glulam:
DRJ Structural Glued Laminated Timber APA Product Reports - PR-L354 Element5 Limited Partnership Glulam:
Element5 Structural Glued Laminated Timber APA Product Reports - PR-L354C Element5 Limited Partnership Glulam:
Element5 Structural Glued Laminated Timber APA Product Reports - PR-L355 FraserWood Industries Ltd. Glulam:
FraserWood Structural Glued Laminated Timber APA Product Reports - PR-L356 Tolko Industries Ltd. I-Joists:
T-TEC Series I-Joists APA Product Reports - PR-L356C Tolko Industries Ltd. I-Joists:
T-TEC Series I-Joists APA Product Reports - PR-N127 LP OSB:
LP Legacy® Premium Sub-Flooring APA Product Reports - PR-N129 RoyOMartin OSB:
RoyOMartin TuffStrand® and Windbrace® 7/16 Performance Category OSB APA Product Reports - PR-N135 Georgia-Pacific Wood Products LLC OSB:
Georgia-Pacific DryMax® Industrial Panel APA Product Reports - PR-N138 LP OSB:
LP WeatherLogic® Air & Water Barrier APA Product Reports - PR-N139 LP OSB:
LP NovaCore® Thermal Insulated Sheathing APA Product Reports - PR-N141 LP OSB:
Louisiana-Pacific Corporation BURNGUARD™ FRT OSB APA Product Reports - PR-N213 West Fraser Timber Co. Ltd. OSB:
West Fraser Treated OSB APA Product Reports - PR-N216 Tolko Industries Ltd. OSB:
Tolko Zinc-Borate Treated OSB APA Product Reports - PR-N414 West Fraser Timber Co. Ltd. OSB:
West Fraser Concrete Edge Form APA Product Reports - PR-N801 West Fraser Timber Co. Ltd. OSB:
West Fraser Core Stock Panels APA Product Reports - PR-S274 Nordic Structures I-Joists:
Nordic Joist™ Series Prefabricated Wood I-Joists APA Product Reports - PR-S330 IB EWP Inc. I-Joists:
IB Series Prefabricated Wood I-Joists APA Product Reports - PR-S342 AcuTruss Industries 1996 (LTD) I-Joists:
AcuJoist ACJ® Series I-Joists APA Product Reports - PR-V180 Warmboard, Inc. Plywood:
Warmboard-S® Radiant Floor Heating Panels APA Product Reports - PR-L292 Murphy Company SCL:
Murphy T1 and T2 Laminated Veneer Lumber Tension Lams APA Product Reports - PR-N610 Multiple Companies LP, Tolko Industries Ltd., West Fraser Timber Co. Ltd.

OSB:
Qualified OSB Facing Materials for Structural Insulated Panels APA Product Reports - PR-N612 West Fraser Timber Co. Ltd. OSB:
West Fraser 7/16 Proprietary OSB Facers for SIPs APA Product Reports - PR-N614 Tolko Industries Ltd. OSB:
Tolko Proprietary OSB Facers for SIPs APA Product Reports - PR-E720 Multiple Companies Boise Cascade Wood Products, LLC, Murphy Company, PWT, Roseburg Forest Products Company, Tolko Industries Ltd.

SCL:
Structural Composite Lumber (SCL) Qualified for Low Formaldehyde Emissions APA Product Reports - PR-E730 Multiple Companies Boise Cascade Wood Products, LLC, Interfor, Nordic Structures, PWT, Resolute Engineered Wood, Roseburg Forest Products Company

I-Joists:
Qualified Wood I-Joists with Low Formaldehyde Emissions APA Product Reports - PR-E710 Multiple Companies Hardel Mutual Plywood Corporation, Rayonier, Roseburg Forest Products Company, Tolko Industries Ltd.

Plywood, OSB:
Qualified Wood Structural Panels with Low Formaldehyde Emissions ESR Joint Evaluation Report - ESR-1940 Multiple Companies Canfor, WFP Engineered Products, LLC

Glulam:
Glued-Laminated Timber Combinations and the GAP Computer Program Sized for Spacing Technical Topic - TT-055 This publication discusses the SIZED FOR SPACING notation in the APA trademark stamp and the option of trimming panels slightly to encourage proper panel spacing ESR Joint Evaluation Report - ESR-1144 Boise Cascade Wood Products, LLC I-Joists:
AJS Series Prefabricated Wood I-Joists ESR Joint Evaluation Report - ESR-1210 Roseburg Forest Products Company Rim Board, SCL:
RigidLam® Laminated Veneer Lumber (LVL) and RigidRim® LVL Rim Board ESR Joint Evaluation Report - ESR-1336 Boise Cascade Wood Products, LLC I-Joists:
BCI Prefabricated Wood I-Joists ESR Joint Evaluation Report - ESR-1405 Multiple Companies Interfor, IB EWP Inc., Nordic Structures, Resolute Engineered Wood, Roseburg Forest Products Company, Stark Truss Company, Inc.

I-Joists:
Performance Rated I-Joists ESR Joint Evaluation Report - ESR-1618 West Fraser LVL SCL:
West Fraser™ LVL Laminated Veneer Lumber ESR Joint Evaluation Report - ESR-2913 Murphy Company SCL:
Murphy Laminated Veneer Lumber (LVL) ESR Joint Evaluation Report - ESR-1053 West Fraser Timber Co. Ltd. SCL:
1.7E, 1.55E, 1.35E  Durastrand® Laminated Strand Lumber (LSL), 1.5E, 1.3E, 0.8E Durastrand® Oriented Strand Lumber (OSL) ESR Joint Evaluation Report - ESR-1262 Interfor I-Joists:
P3 JOIST PJI-40, PJI-60, PJI-65, PJI-80 and PJI-90 I-Joists ESR Joint Evaluation Report - ESR-1305 PWT I-Joists:
PWT™ I-Joists ESR Joint Evaluation Report - ESR-1742 Nordic Structures I-Joists:
Nordic Joist Prefabricated I-Joists ESR Joint Evaluation Report - ESR-2725 Tolko Industries Ltd. SCL:
T-TEC® LSL, T-TEC® ZB Treated LSL, and T-TEC® LVL ESR Joint Evaluation Report - ESR-2909 PWT Rim Board, SCL:
PWT™ Laminated Veneer Lumber (LVL), PWT™ Treated LVL and PWT™ Rim Boards ESR Joint Evaluation Report - ESR-2919 Stark Truss Company, Inc. I-Joists:
Stark Truss SI-40, SI-60 and SI-80 Series Prefabricated Wood I-Joists ESR Joint Evaluation Report - ESR-3631 OK Laminators, Inc. CLT:
OK Laminators CLT ESR Joint Evaluation Report - ESR-4733 SmartLam NA Columbia Falls, LLC CLT:
SmartLam Cross-Laminated Timber (CLT) ESR Joint Evaluation Report - ESR-4759 Freres Lumber Co., Inc. SCL:
Freres Single Ply Laminated Veneer Lumber ESR Joint Evaluation Report - ESR-4760 Freres Lumber Co., Inc. SCL, CLT:
Freres Mass Ply Panel (MPP) and Mass Ply Lams (MPL) beams and columns ESR Joint Evaluation Report - ESR-4874 Nordic Structures Glulam:
Nordic Lam ESR Joint Evaluation Report - ESR-4875 Nordic Structures CLT:
Nordic X-LAM CLT ESR Joint Evaluation Report - ESR-5815 Vaagen Timbers, LLC Glulam:
Vaagen Structural Glued Laminated Timber APA Product Reports - PR-L260 West Fraser Timber Co. Ltd. SCL:
West Fraser Durastrand® LSL and OSL APA Product Reports - PR-L261 Interfor I-Joists:
PJI Prefabricated Wood I-Joists APA Product Reports - PR-L271 Arizona Structural Laminators, LLC Glulam:
20F, 24F, 26F, 28F and 30F Glulam Beams APA Product Reports - PR-L284 Tolko Industries Ltd. SCL:
Tolko Laminated Strand Lumber (LSL) and Laminated Veneer Lumber (LVL) APA Product Reports - PR-L284C Tolko Industries Ltd. SCL:
Tolko Laminated Strand Lumber (LSL) and Laminated Veneer Lumber (LVL) APA Product Reports - PR-L314 OK Laminators, Inc. CLT:
OK Laminators CLT APA Product Reports - PR-L314C OK Laminators, Inc. CLT:
OK Laminators CLT APA Product Reports - PR-L322 Shelton Structures Inc. Glulam:
Shelton Lock-Deck Laminated Decking APA Product Reports - PR-L324 Freres Lumber Co., Inc. SCL:
Freres LVL APA Product Reports - PR-L325 Freres Lumber Co., Inc. CLT:
Freres Mass Ply Panels (MPP) and Mass Ply Lam (MPL) Beams and Columns APA Product Reports - PR-L325C Freres Lumber Co., Inc. SCL, CLT:
Freres Mass Ply Panels (MPP) and Mass Ply Lam (MPL) Beams and Columns APA Product Reports - PR-L326 SmartLam NA Dothan, LLC. Glulam:
SmartLam NA Dothan Glulam Beams and Columns APA Product Reports - PR-L327 SmartLam NA Dothan, LLC. CLT:
SmartLam NA Dothan Cross-Laminated Timber APA Product Reports - PR-L341 Resolute Engineered Wood I-Joists:
Resolute RSI I-Joists APA Product Reports - PR-L341C Resolute Engineered Wood I-Joists:
Resolute RSI I-Joists APA Product Reports - PR-L346 Zip-O-Laminators, LLC Glulam:
Zip-O-Laminators Glued Laminated Timber APA Product Reports - PR-L347 Mercer Conway CLT:
Mercer Cross-Laminated Timber APA Product Reports - PR-L348 Mercer Conway Glulam:
Mercer Structural Glued Laminated Timber APA Product Reports - PR-L350 WA Enterprises LTD. Glulam:
WA Enterprises Structural Glued Laminated Timber APA Product Reports - PR-L350C WA Enterprises LTD. Glulam:
WA Enterprises Structural Glued Laminated Timber APA Product Reports - PR-L351 OK Laminators, Inc. Glulam:
OK Laminators Structural Glued Laminated Timber APA Product Reports - PR-L351C OK Laminators, Inc. Glulam:
OK Laminators Structural Glued Laminated Timber APA Product Reports - PR-L353 Zip-O-Laminators, LLC Glulam:
Zip-O Laminators Acoustic Sound Panel APA Product Reports - PR-N117 LP OSB:
LP® SmartSide® and LP® SmartSide®  ExpertFinish® Soffit and Rated Sheathing/Ceiling Deck and LP® SmartSide® Soffit and LP® SmartSide®  ExpertFinish Treated-Engineered-Wood Nickel Gap Lap APA Product Reports - PR-N133 West Fraser Timber Co. Ltd. OSB:
West Fraser TallWall/Windstorm/QuakeZone® Rated Sheathing for Use with IRC Energy-Heel Trusses APA Product Reports - PR-N137 RoyOMartin OSB:
RoyOMartin WINDBRACE OSB Sheathing for Combined Shear and Wind Uplift