WitrynaIn response to complaints about structure-borne noise, in-situ floor impact isolation testing was conducted of a gym floor. The gym was located on the ground floor of a multi-storey residential apartment building. ... A Norsonic Nor140 Class 1 Precision Sound Analyser (serial # 1405077) was mounted on a WitrynaImpact insulation class (or IIC) is an integer -number rating of how well a building floor attenuates impact sounds, such as footsteps. A larger number means more attenuation. The scale, like the decibel scale for sound, is logarithmic. The IIC is derived from ASTM method E989, which in turn uses a tapping machine specified in ASTM method E492.
What Is Impact Insulation Class (IIC) Rating? Soundproof …
Witryna5 lut 2016 · Impact Insulation Class (IIC) Testing. Impact Insulation Class (IIC) is a rating commonly used to evaluate a floor/ceiling partitions ability to resist structure-borne impact sound transfer (i.e., walking, shuffling). Standardized field apparent insulation class (AIIC) testing is conducted in the field whereby a standard tapping machine is ... Witryna6 mar 2024 · Impact Insulation Class (IIC) is an acoustical rating used to quantify impact sound absorption and vibration isolation. This rating system is used for floor … fixture land law
Impact Insulation Class - an overview ScienceDirect Topics
WitrynaImpact Insulation Class is an acoustical rating used to quantify impact sound absorption. This rating system is used for floor/ceiling arrangements. Some arr... WitrynaTesting for Sound Transmission Class (STC) of a Residential Carpet Installed with Cushion over a Joist and Plywood Subfloor. Tested Materials: Carpet and cushion—25 ounces per square yard 100% nylon cut pile residential carpet installed over bonded polyurethane bonded cushion ½ inch thickness with 6.0 lb/ft 3 density. Test Floor: … WitrynaIIC stands for impact insulation class. Acoustic labs conduct the IIC test using a tapping machine with steel faced hammers. These hammers strike a test floor material generating sounds between 125 to 4,000 Hz. The impact creates vibrations that travel through the floor into the receiving side (the room below). fixture installation meaning