January 2024

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REVISED SYSTEM REPORT

SR-405-IRC-I-joist-floor-fire-protectionFire Protection of Floors Constructed with Prefabricated Wood I-Joists for Compliance with the International Residential Code

This APA System Report has been revised to include a new additional assembly (FP-12) that conforms to ASTM D8391. Find eight prescriptive fire assembly details 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.

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