AAMA updated a Technical Information Report providing metal curtain wall designers with necessary data to select fasteners for curtain wall framing members and components. AAMA TIR-A9-14 also goes into process of anchoring curtain wall systems to building structures. Hydrogen embrittlement is now addressed in Protection against Corrosion section. Additionally, new Safety Factors section provides thorough explanation of how safety factors were derived for the range of fastener diameters.
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