APA System Reports®

APA System Reports® are technical reports published to help building officials and design professionals identify innovative design solutions by evaluating engineered wood systems that can be used as code-compliant systems. They are developed based on extensive research conducted by APA, frequently in collaboration with other reputable agencies in the specific field of studies. APA System Reports are supported by comprehensive research data, as indicated in each report, and can be adopted by designers and regulatory agencies with confidence.

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APA System Report 101: Design for Combined Shear and Uplift from Wind
SR-101
APA System Report 101: Design for Combined Shear and Uplift from Wind

Details for utilizing wind uplift resistance capabilities from wood structural panels, including resistance to lateral shear forces and wind pressure perpendicular to the wall. Revised February 2015, SR-101C.

 

APA System Report 102: APA Simplified Wall Bracing Method
SR-102
APA System Report 102: APA Simplified Wall Bracing Method

The Simplified Wall Bracing Method described in this report provides building officials, builders and designers with an approach and the supporting technical information to meet the requirements of 2018, 2015 and 2012 IRC Simplified Wall Bracing Section R601.12. Revised April 2020.

APA System Report 103: Use of Wood Structural Panels for Energy-Heel Trusses
SR-103
APA System Report 103: Use of Wood Structural Panels for Energy-Heel Trusses

This APA System Report outlines an efficient, cost-effective construction solution for meeting the lateral and wind uplift load requirements of the IRC using wood structural panels with raised-heel, or energy-heel, trusses. Revised April 2014.

APA System Report 405: Fire Protection of Floors Constructed with Prefabricated Wood I-Joists...
SR-405
APA System Report 405: Fire Protection of Floors Constructed with Prefabricated Wood I-Joists...

Provides guidance on fire protection of floors constructed with prefabricated wood I-joist assemblies that complies with 2015, 2018, 2021 and 2024 updates to the International Residential Code. Revised August 2024.

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