Technical Document Library
Research-Backed Guidance for Every Project
Research-Backed Guidance for Every Project
Builder Tip - Z735
This publication includes important tips for storage, handling and jobsite use of APA Performance Rated I-Joists.
Technical Guides - W345 CA
This publication describes connection requirements and application notes for APA Performance Rated Rim Board for Canadian Limit States Design
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
Technical Topic - TT-125
This publication provides guidance on construction of balconies with solid-sawn dimension lumber attached to I-joist floor systems in supplement to Figure 4 of APA form Z725
Builder Tip - S300
This publication describes how to reduce nail pops through recommended fastener selection and installation
Builder Tip - S300 LA
Esta publicación describe cómo reducir los clavos sobresalientes con la selección e instalación recomendada de elementos de fijación.
Data File - D720
This publication identifies the causes of and remedies for excessive floor vibration.
Technical Note - R495
This publication discusses decay fungi and how to prevent/minimize degradation of wood through proper design, storage, construction and maintenance
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-IJ
This publication is an excerpt from the APA Engineered Wood Construction Guide, providing a description and specification recommendations for I-joist
Excerpt - E30X-RC
This publication is an excerpt from the APA Engineered Wood Construction Guide, providing a description and application recommendations for engineered wood roof materials
Construction Guide - R425
Describes several options that satisfy fire-protection provisions of the 2012, 2015 and 2018 IRC related to I-joist floor systems, including construction details
Technical Guides - W305
This publication is a guide to cost-effective fire-rated wood and wood structural panel systems that meet code requirements
Technical Note - C468
This publication discusses typical floor squeak causes and provides corrections and preventative measures.
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-129
This publication presents four construction details for incorporating 2-inch-thick foundation foam insulation into residential I-joist floor assemblies.
Technical Note - E710
This publication covers vibration perception, fundamental natural frequency, criteria for floor vibration control and guidelines to remedy existing floor vibration problems.
Technical Topic - TT-132
Recommendations for cutting holes in I-joists, LVL and glulam for electrical cables in compliance with the National Electric Code (NEC) and International Residential Code (IRC)
Technical Topic - TT-094
This publication provides tables of the minimum recommended nail spacing for APA EWS Rim Boards and I-joists.
Technical Guides - W460
This publication is a guide to noise-rated wood-frame construction systems, including STC and IIC ratings for tested wall and floor assemblies for effective sound control.
Construction Guide - Z725
This publication discusses span ratings, installation details, cantilever designs, architectural specifications and engineering design properties for APA Performance Rated I-Joists
Technical Guides - D710
This publication includes recommended construction details for I-joists in roof applications.