Podcast
Questions and Answers
What does the STC rating reflect?
What does the STC rating reflect?
- The thickness of the partition
- The color of the partition
- The decibel reduction of noise provided by a partition (correct)
- The type of materials used in a partition
Which index is used outside the US to rate sound reduction?
Which index is used outside the US to rate sound reduction?
- ASRM E90
- ASTM E413
- STC
- ISO Sound Reduction Index (SRI) (correct)
What are the two most basic principles to improve the sound transmission class of a partition?
What are the two most basic principles to improve the sound transmission class of a partition?
- Adding decorations and reducing overall size
- Increasing color contrast and adding windows
- Adding mass and increasing overall thickness (correct)
- Reducing mass and decreasing overall thickness
What does a higher number in STC indicate?
What does a higher number in STC indicate?
What does the STC provide a standardized way to compare?
What does the STC provide a standardized way to compare?