AAMA updates two specifications for static, dynamic test methods related to seismic drift

The American Architectural Manufacturers Association (AAMA) updated two documents for evaluating window wall, curtain wall and storefront systems when it comes to seismic drift. AAMA 501.4-18, “Recommended Static Test Method for Evaluating Window Wall, Curtain Wall and Storefront Systems Subjected to Seismic and Wind-Induced Inter-Story Drift,” and AAMA 501.6-18.”

Read More