Noise Reduction Coefficients SAA/NRC 0.35
ASTM C 423-09a, Standard Test Method for Sound Absorption and Sound Absorption Coefficients measured by the Reverberation room Method.

Absorption Coefficients-Sabins /FT²

Sound Tranmission Class STC 52
(over a wood joist floor/ceiling assembly with 0.75 inch of gypsum concrete)

Tested and classified in accordance with ASTM E413-16, Classification for Rating Sound Insulation

Impact Insulation Class IIC 66
(over a six inch concrete slab with a drop ceilling)

Tested and classified in accordance with ASTM E989-06, Standard Classification for Determination of Impact Insulation Class (IIC)