Find the right solution to successfully absorb sound in your space
When creating the perfect sound environment in a space, a product’s NRC rating plays an essential role. NRC – or Noise Reduction Coefficient – is a single-number rating that indicates the degree to which acoustic products can absorb sound. This little acronym has huge significance when you’re looking to understand and select the right acoustic solutions for your needs.
In this blog post, Avenue Interior System’s team of experts take a deep dive into NRC Ratings, what you should look for, and the difference it can make to your space.
How to interpret an acoustic product’s NRC Rating
When assessing the overall performance of acoustic products – including wall panels, ceiling tiles, baffles, screens, and desk partitions – the NRC (Noise Reduction Coefficient) rating system plays a vital role. The higher the NRC, the better the product is at absorbing sound: an NRC of 0 signifies perfect sound reflection (which is not ideal for noise control), while an NRC of 1 represents perfect sound absorption. This can help you make well-informed decisions when selecting acoustic products for your needs.
To put it into perspective, materials with an NRC of 0, such as glass windows, concrete walls, ceramic floor tiles, and gypsum board partitions, offer little to no sound absorption. On the other hand, materials like acoustic foam panels, fabric-wrapped fibreglass panels, polyester fiberboard panels, perforated wood panels, and mineral fibre ceiling tiles, all boast an NRC of 1.0. This means they excel in sound absorption, making them ideal choices for noise control and acoustic improvement in various settings.
How is NRC Rating determined?
Determining NRC involves testing sound absorption in a controlled laboratory setting, using the ASTM Standard test for sound absorption. Technicians deliver sound at four frequencies in an independent acoustical laboratory reverberation chamber. The sound levels of the empty chamber are measured, and then measured again with the product placed in the chamber. The difference between these values is then averaged to find the product’s NRC rating.
Other factors affecting an acoustic environment
It’s important to note that while NRC values are informative, they don’t tell the whole story. Factors which play a role in creating the overall acoustic environment include:
- Product mounting
- The base on which the product is installed
- Total amount of sound-reflective or absorbent materials in the room
- Number of inhabitants, and
- The space’s use.
That’s why consulting with an acoustics specialist is always recommended, so that they may specify the ideal products that align with your desired experience.
Talk to Avenue for more information about NRC Ratings
In any space, understanding the NRC rating system is pivotal when selecting the right acoustic products to achieve optimal sound absorption. While NRC values provide valuable insights, consulting with acoustics specialists is essential to ensure that any products align with your environment’s specific needs.
By considering various factors and seeking expert advice, you can create a sound environment that enhances the overall experience for occupants.
For more on how Avenue can help with your workplace acoustics, contact us at 1300 827 177.
