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What are the normal limits of deflection for glazed aluminum framing systems?

April 26, 2017aluminum deflection framing Glazed limits normal SYSTEMS

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What are the normal limits of deflection for glazed aluminum framing systems?

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Typically, the most common deflection limits specified for glazed aluminum framing systems is L/175, where L is the length of the framing member supporting the load. The American Architectural Manufacturers Association (AAMA) provides an alternative, and more realistic deflection limit in their Technical Interpretation Report (TIR) A11-04 – Maximum Allowable Deflection of Framing Systems for Building Cladding Components at Design Wind Loads.