How Are Products Tested for Sound Suppression?

HOW ARE PRODUCTS TESTED FOR SOUND SUPPRESSION?

Tests are conducted in either a laboratory setting or in the field (on site). IIC and STC numbers are given based on the sound suppression characteristics of the overall flooring assembly. The more suppression the higher the number.

Impact Insulation Class (IIC)

For Impact Testing a tapping machine is set up in one living space and recording equipment in an adjacent space and the results recorded.

Sound Transmission Class (STC)

For the Sound Transmission test, a speaker is set up in one living space and recording equipment in an adjacent space and the results recorded.