QuietFiber is specifically engineered to tackle the frequencies of sound that are critical for noise reduction. QuietFiber's Noise Reduction Coefficient (NRC), ranges from 1.0- 1.25 depending on the version (Q2, Q4 or Q6). An NRC rating of 1.0 or higher means there are no reflections off of the material.
Any material with an NRC that is greater than 0.50 is considered to be sound absorbing. If the NRC is less than 0.20, the material is considered to be sound reflecting. If the material has an NRC rating of say 0.60, it would have about 40% reflections off of the material. As a result, NRC materials are typically used for reflection control in spaces with high Reflection or Reverb Times (RT's).
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