Locks, latches, deadbolts, and hinges are nothing new to those in the building construction industry. However, in the United States, recent legislation and rapid advances in technology have led to major innovations for the hardware industry, especially over the last 30 years.
The American Architectural Manufacturers Association (AAMA) released its “U.S. Industry Statistical Review and Forecast,” highlighting the window, door, and skylight market trends. The forecasts are based on projections of construction activity as of March 2015.
When sound control acoustic door assemblies are selected, the usual way is to specify a sound transmission coefficient (STC) rating in accordance with established standards. However, this is not as catch-all as it sounds, especially when the sounds that must be blocked come in different frequencies.
After multiple years of collaboration, the American Architectural Manufacturers Association (AAMA), CSA Group, and Window & Door Manufacturers Association (WDMA) have released a ‘user guide’ to the 2011 AAMA/WDMA/CSA 101/I.S.2/A440, North American Fenestration Standard/Specification (NAFS).
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