About Sound Transmission

Noise is so prevalent, we often only notice when our surrounding are extraordinarily quiet. Yet, it is possible to create spaces where noise is mitigated by measuring sound traveling from room to room, which is sound transmission class. Understanding sound transmission class (STC as it is commonly known) is critical in selecting the building materials to achieve the optimal level of silence you desire.

STC ratings are an established way to measure how much sound is stopped by building materials (walls, doors, windows, etc.). Increased STC ratings are a sign of sound isolation in residential and commercial spaces. While you may be familiar with higher decibels means more noise, which is bad, the opposite is true in STC ratings. A high STC rating, suchs as 60, means less noise is traveling from room to room. Green Glue Noiseproofing products make high STC ratings achievable with minimal expense compared to other noiseproofing options.

Green Glue Noiseproofing Compound is not assigned one particular STC rating on its own. Rather, the compound increases the STC rating of the building assembly it is used in. To review various wall assemblies, please visit the extensive test data available here.

According to the U.S. Green Building Council, in order to achieve LEED certification, minimum STC ratings must be met or exceeded. For more information on STC ratings as it relates to LEED Certification, please click here.