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Provides guidance on attachment of steel and CPVC sprinkler systems to APA Performance Rated wood I-joists. Download with Form J745_SUP. Issued June 2009. With J745_SUP, replaces Form H730.
Supplement to Technical Note: Sprinkler Pipe Installation for APA Performance Rated I-Joists. Supplement to J745. Issued June 2009. With J745, replaces Form H730.