city noise ordinance

Noiseproblemsonline28 Jul, 2021Business

Some products will be rated according to the city noise ordinance or an NRC rating. The NRC rating is something completely different and is part of the most commonly misunderstood acoustics functionalities. Sound proof foams are also generally a misrepresentation. To enhance the TL of the partition, you have to enhance its mass. Closed cell spray and foam on material don?t do this.