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Better Blocking (STC 45) – Full Height Walls

A sound blocking level of STC 45 means that a listener in a quiet room would hear raised speech in adjacent rooms, but would not be able to understand the conversation. The transmitted noise would not typically be disruptive. Acoustic standards, guidelines and building ratings systems most frequently require a STC 45 level of blocking between rooms. Examples include patient rooms1, enclosed offices2 and classrooms along corridors3.

Better Blocking (STC 45) – Full Height Walls Image

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