Technical Document Library
Research-Backed Guidance for Every Project
Research-Backed Guidance for Every Project
Market Analysis Reports - MKO-E191
Annual analysis of U.S., Canadian, and global economic factors impacting engineered wood demand, with multi-segment forecasts and historical production data. Available as PDF.
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.
Construction Guide - M400
This publication explains the components of advanced framing in floor and wall framing, including illustrated construction details
Standards - ANSI/APA PRR 410
This standard provides requirements and test methods for qualification and quality assurance for performance rated engineered wood rim board.
Technical Guides - X400
This publication explains the APA panel trademark and quality standards for wood structural panels
Technical Guides - B707
Learn the APA research facility capabilities, including assembly-level testing of roof and floor building components and performance evaluation of lateral force resisting systems
Typical Details - DT-EWG-2
This detail shows APA Rated sheathing panels installed as roof decking over rafters or trusses with panel clips, asphalt or wood shingles, and proper edge and joint spacing.
Technical Guides - W345 CA
This publication describes connection requirements and application notes for APA Performance Rated Rim Board for Canadian Limit States Design
Technical Guides - W345
This publication details connection requirements and application notes for APA Performance Rated Rim Board
Standards - PRR-401
This APA Standard provides dimension and tolerances, performance requirements, test methods and qualification policy for APA Performance Rated Rim Board.
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
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.
Technical Guides - M310
This publication illustrates nine construction details that improve wind resilience in residential construction, with real-world examples of each design
Technical Note - R495
This publication discusses decay fungi and how to prevent/minimize degradation of wood through proper design, storage, construction and maintenance
Data File - D350
This publication provides recommendations for the use of APA rim board in conjunction with fire-rated wall/floor assemblies, based on the US Forest Product Laboratory testing
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.
Technical Topic - TT-014
This publication describes various wood structural panel manufacturing processes that result in the eradication of insects
Technical Guides - E30
This publication provides a comprehensive overview of engineered wood construction systems for residential, commercial and industrial buildings
Excerpt - E30X-AFBS
Summary of special systems, including fire resistant construction, fire protected assemblies, wind-resistive roofs, energy conservation and panels over metal framing
Excerpt - E30X-FC
This publication is an excerpt from the APA Engineered Wood Construction Guide, providing information about floor framing and wood structural panel products
Excerpt - E30X-RB
This publication is an excerpt from the APA Engineered Wood Construction Guide, providing guidance on selecting and specifying rim board
Construction Guide - R300
Provides specification recommendations for plywood and OSB floor systems, the APA Glued Floor System and installation recommendations for panel subflooring and underlayment
Technical Guides - X505
This publication provides a list of engineered wood products and common construction terminology explained in easy-to-understand language.
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.
Construction Guide - R310
This publication provides an overview of commonly used wall systems and explains how wood structural panels can be used to meet fundamental requirements in wall applications
ESR Joint Evaluation Report - ESR-1210
Rim Board, SCL:
ESR Joint Evaluation Report - ESR-2909
Rim Board, SCL:
Typical Details - DT-BB-3
This detail shows exterior deck ledger connection to wood I-joist floor system of water-resistant flashing.
Technical Guides - W305
This publication is a guide to cost-effective fire-rated wood and wood structural panel systems that meet code requirements
Technical Topic - TT-010
This publication summarizes surface burning characteristics (flame spread and smoke development) of wood structural panels tested in accordance with ASTM E84
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.
Green Verification Report - GR-L233
SCL, Rim Board:
Green Verification Report - GR-L289
Rim Board, SCL:
Green Verification Report - GR-L343
Glulam, Rim Board:
Technical Topic - TT-040
This publication discusses the placement of holes in the webs of I-joists or rim board when used as blocking for lateral restraint of floor and roof joists
Technical Topic - TT-135
Provides recommendations for hole size and segment length for glulam rim board for situations where holes are not specified in the construction documents or shop drawings.
Typical Details - DT-EWG-22
This detail shows three horizontal beltline joint configurations for APA panel siding at floor lines in multistory construction.
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.
Technical Topic - TT-129
This publication presents four construction details for incorporating 2-inch-thick foundation foam insulation into residential I-joist floor assemblies.
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.
Technical Topic - TT-098
This publication discusses the benefits of mulching construction-related wood scraps, including glued engineered wood products
Technical Topic - TT-094
This publication provides tables of the minimum recommended nail spacing for APA EWS Rim Boards and I-joists.
APA Product Reports - PR-L233
Rim Board, SCL:
APA Product Reports - PR-L233C
SCL, Rim Board:
APA Product Reports - PR-L269
Glulam, Rim Board:
APA Product Reports - PR-L289
Rim Board, SCL:
APA Product Reports - PR-L289C
Rim Board, SCL:
APA Product Reports - PR-L304
Rim Board:
APA Product Reports - PR-L305
Rim Board, Glulam:
APA Product Reports - PR-L336
Rim Board:
APA Product Reports - PR-L338
Rim Board:
APA Product Reports - PR-S201
SCL, I-Joists, Rim Board:
APA Product Reports - PR-S238
Rim Board, SCL, I-Joists:
APA Product Reports - PR-S259
I-Joists, SCL, Rim Board:
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
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
Typical Details - DT-IJ-10
This detail shows the installation of APA rim board to floor joists and a double top plate, specifically noting vertical capacity and shear transfer nailing.
Typical Details - DT-SIP-4
This detail shows installation of a floor system between the top and bottom of two SIP walls with the joists directly on top of the SIP with a cap plate and rim board end closure.
Data File - Y250
This publication discusses diaphragm perimeter nailing and transfer of shear wall forces from the walls above into the foundation/wall framing.
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.
Technical Topic - TT-078
This publication provides suggested I-joist blocking details, which may be used when local codes require prescriptive blocking in the space adjacent to starter joists or rim board.
Technical Guides - F305
Describes the environmental benefits of engineered wood, compares wood to other structural products and explains scientific research that demonstrates woods green building merits.
Technical Guides - R311CAF
Aperçu des systèmes de murs couramment utilisés et de la manière dont les panneaux structuraux en bois peuvent satisfaire aux exigences fondamentales dans les applications murales.
Technical Note - K830
This publication discusses the types of termites found in the U.S. and proven construction techniques and treatment methods to protect wood-frames buildings from termite damage.
Damage Assessment Report - SP-1177
This publication contains damage assessments from the December 2015 tornado storm near Dallas, TX, including wind-resistant construction recommendations
Technical Topic - TT-022
This publication discusses the structural superiority of using APA Performance Rated Rim Boards with prefabricated wood I-joists rather than sawn lumber rim boards.