Moss is a natural product that offers an effective method of sound absorption in spaces where you’d like to reduce noise.
Pole Moss has an SAA of 0.90 and NRC rating of 0.90.Reindeer Moss has an SAA of 0.55 and NRC rating of 0.55.Poplar Bark has an SAA of 0.30 and NRC rating of 0.30.
*SAA is the Sound Absorption Average as defined by ASTM C423-17.**NRC is the Noise Reduction Coefficient as defined by previous versions of ASTM C423.