FIIC (Field Insulation Impact Class) is now AIIC (Apparent Impact Insulation Class)! ASTM E1007 – 14

Recently the name of the field insulation impact class rating system which was known as FIIC has been changed to apparent impact insulation class.

What does this mean, to you, the end user?

The simple answer is: not very much!

The test is still conducted using the same basic methodology, meaning that the equipment and testing process is largely the same.

So be aware that test results that used to say FIIC now say AIIC.

 

ASTM E1007 – 14

Standard Test Method for Field Measurement of Tapping Machine Impact Sound Transmission Through Floor-Ceiling Assemblies and Associated Support Structures

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