Includes information on span ratings, installation details, cantilever designs, architectural specifications and engineering design properties for APA Performance Rated I-Joists. Revised March 2024.

Excerpt from the Engineered Wood Construction Guide, Form E30. Includes product descriptions and specification recommendations for I-joist. Only available as a downloadable pdf file. Revised December 2019.

Performance criteria, qualification requirements and quality assurance information for APA Performance Rated I-Joists used in residential floors. Revised October 2021.

Performance criteria, qualification requirements and quality assurance information for APA Performance-Rated residential I-joists, limit states design, in accordance with the National Building Code of Canada. Revised November 2021.

This standard provides requirements and design properties for APA  Performance-Rated I-joists in sizes that are commonly used in nonresidential floor and roof construction. Revised October 2021.

This APA System Report provides prescriptive fire assemblies for fire protection of floors constructed with prefabricated wood I-joists that comply with 2021, 2018 and 2015 IRC Sections R502.1.2 & R302.13 and 2012 IRC Section R501.3. Revised January 2024. 

Includes important tips for storage, handling and jobsite use. Revised November 2010.

Explains backer blocks and how they are used with both top-mounted and face-mounted hangers. Revised November 2010.

Explains why I-joists benefit from being installed with blocking, blocking material composition, and installation details. Revised April 2009.

Describes filler blocks, their composition, and installation recommendations. Revised November 2010.