​

STC61, IIC56, HIIC68-without a soundmat
STC60, IIC58, HIIC64-(tested with a 1/8" soundmat)
STC60, IIC59, HIIC70-(Tested with a 1/4"soundmat
*Tested on a wood floor assembly
 
STC62, IIC64
*Tested on 6" of concrete with a drop ceiling