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  Better Design Through a Deeper Understanding of Acoustic Ratings ( ~ 1 hour ) 

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  https://redirect.aecdaily.com/s405633/www.aecdaily.com/course/1001944

  This course covers two widely used acoustic metrics, the STC and IIC ratings. Although these ratings are required by building codes and frequently used, they are still often poorly understood and there are many myths and misconceptions around their use. This course looks “under the hood” of the STC and IIC ratings to get a better understanding of what they are, how they work, and what they do and don’t tell us. Importantly, this course covers shortcomings of the STC and IIC ratings that if not understood can lead to poor designs for noise control. In that vein, this course also looks at two new acoustic ratings, HIIC and LIIC, that provide a better insight into the impact-noise reduction provided by floor/ceiling assemblies. Finally, the course uses the knowledge gained about ratings to discuss general methods of improving the acoustic performance of floor/ceiling assemblies.

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  Don't Let Your Good Sound Isolation Go Up in Smoke! ( ~ 1 hour ) 

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  https://redirect.aecdaily.com/s405633/www.aecdaily.com/course/1069946

  Partitions used for sound isolation are often required to also provide fire resistance. This is especially true in multi-family construction where the vast majority of unit demising walls and floor/ceiling assemblies must be fire rated. Solid working knowledge of fire-resistive designs is essential for architects to design acoustic partitions that can actually be built on-site. There are many design elements that work well for fire and for acoustics, but there are also areas where what works well for fire can be at odds with what works well for acoustics. In this presentation, we will look at the elements of acoustic and fire design both for basic wall and floor/ceiling assemblies and for design details like wall-wall and wall-ceiling intersections

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Displaying 2 Live course(s).