
Soundproofing
In addition to its superior insulation properties, wet-spray cellulose is popular as a strong sound barrier. It can be applied to new or existing buildings, in walls, ceilings and betwseen floors. When sound control is important, we can help. Here are a few examples:
Residential:
Commercial:
Multi-family:
Sound Transmission Class (STC) is a laboratory measurement used to study the resistance of a wall, ceiling, or floor to the passage of sound. The higher the STC number, the more sound is deadened. The table below gives examples of STC ratings.
STC Rating |
Description of Performance |
30-35 |
Loud speech understood fairly well - Loud speech audible but unintelligible |
42-45 |
Loud speech audible as a murmur - Must strain to hear loud speech |
48-50 |
Some loud speech barely audible - Loud speech not audible |

