STC Sound Control
STC Sound Control
Privacy and Noise Control Products
1200 Northland Ave.
Buffalo, NY 14215-6396
Phone: 716-839-0900
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STC Sound Control > PRODUCT > Impact Noise Reduction

A key source of noise is activity in floors above the ceiling, as noise travels through the floor structure and radiates into the space below. This is known as impact noise or footfalls, which are measured by a standard called Impact Insulation Classification (IIC). Different elements of the floor and ceiling construction contribute to isolating this noise in various amounts, and are called the IIC, or Delta IIC.

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