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.

Designed to integrate with the company’s existing roof curbs, the PSS reduces noise transfer through roof-mounted equipment ...

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 ...

Sound Transmission Class (STC) Sound Transmission Class rating is a single number value which describes the overall acoustic performance of a construction system. It is a measure of the degree of ...

RANCHO CORDOVA, Calif., June 05, 2025 (GLOBE NEWSWIRE) -- PABCO® Gypsum, the leading provider of high-performing drywall, proudly announces the release of its proprietary 2025 Sound Design Guide ...