Building materials have a Sound Transmission Class, or STC, rating indicating, on a comparative basis, how well a material or assembly reduces sound.

There are two systems for rating how effectively something such as a wall or a window stops sound. STC stands for sound transmission class and is used more for measuring higher frequency noises ...

They are referred to as STC (Sound Transmission Class) ratings. The higher the STC rating, the better the soundproofing capabilities are. Windows, insulation and carpeting all carry an STC rating.

Sound Transmission Class (STC) is a numerical rating given to various materials indicating how resistant the material is to transmitting sound. The higher the STC rating, the greater its soundproofing ...

A system for the measurement of SOUND INSULATION properties of partitions between rooms or buildings, particularly in the case of speech or office noise interference. Various partitions can be rank ...

Both yield a single rating number, higher numbers indicating better sound isolation performance. Sound Transmission Class (STC) indicates how well a building partition—wall, ceiling, floor, door ...

A 12¾-inch-thick common block wall assembly fitted with Acoustiblok sound barrier material has achieved the highest Sound Transmission Class rating (STC 70) ever recorded at Architectural Testing Inc.

The product achieved a 44 Sound Transmission Class rating and is also available in different colors, trims and glazes. Harvey Commercial Solutions—a division of Harvey Building Products, a ...

Acoustics manufacturer Illbruck Acoustic debuted Prospec Decibel Drop, a viscoelastic damping compound that the company says decreases the sound traveling to adjacent rooms.. It is suitable for use in ...

A system for the measurement of SOUND INSULATION properties of partitions between rooms or buildings, particularly in the case of speech or office noise interference. Various partitions can be rank ...