What is NRC of acoustic ceiling tile?

What is NRC of acoustic ceiling tile?

The acoustic ceiling tile NRC rating refers to how much sound the ceiling material can reduce noise by absorbing sound. A higher number indicates more absorption.

What is NRC and CAC?

In the standard design, the panels in the acoustical ceiling. have a Noise Reduction Coefficient (NRC) of 0.50, meaning. they absorb 50% of the sound that strikes them, and a Ceiling. Attenuation Class (CAC) of 33. The CAC indicates the ability.

What is a high NRC?

NRC is short for Noise Reduction Coefficient. In techno-speak, it is the average of the individual sound absorption coefficients of an item at 250, 500, 1000 and 2000 hertz. If you are in a noisy room like a gymnasium, you want a product with a higher NRC on the walls or ceiling to make the room less noisy.

Are acoustic tiles good for soundproofing?

Ceiling tiles made from melamine acoustic foam tend to provide great sound-absorbing and soundproofing characteristics with high NRC and CAC ratings.

Is NRC 1.05 Good?

The higher the NRC, the better the absorber. The NRC may be thought of as a percentage of absorption per square foot. Sometimes an NRC number is higher than 1.00 (i.e. NRC 1.05). As time went on, other materials were discovered to have a better NRC so the numbers had to grow.

Is High NRC good?

Materials with an NRC rating of . 75 or higher are generally considered highly absorptive, and will yield the greatest improvement with the least amount of material.

What is a good CAC rating?

The higher the CAC rating, the better the performance. A ceiling system with a CAC less than 25 is very low performance, whereas a ceiling with a CAC of 35 or greater is considered high performance.

How does CAC compare to STC?

The STC is used to rate the performance of walls, partitions, windows, etc. For this test sound is passing through the material once – from one side to the other. In a CAC test sound passes from a source room, through the ceiling plane, across a shared air space and then through the ceiling plane of the receiving room.

What is NRC value?

The noise reduction coefficient (commonly abbreviated NRC) is a single number value ranging from 0.0 to 1.0 that describes the average sound absorption performance of a material. Materials can achieve NRC values greater than 1.00.

What is NRC ceiling tiles?

Noise Reduction Coefficient (NRC) is a measure for rating the overall sound absorption of a material when used in an enclosed architectural space where sound is reflected at many angles of incidence. Standard-NRC ceiling tiles are designed for spaces where controlling sound levels is an important, but not a design-driving, requirement.

What is high NRC acoustical panel?

Mars™ High-NRC Acoustical Ceiling Panels are designed to offer the highest standard in noise reduction (NRC) or noise isolation (40 CAC). Fine-textured and mold resistant, they offer superior sag resistance and high light reflectance values.

What is the NRC of acoustical membrane?

Acoustic membrane + 40mm thick acoustic liner with a 100mm high plenum, AlphaW = 0.75 & NRC 0.90 The absorption performance is really interesting as excellent results are achieved with low frequencies around 500 Hz.

What is the NRC rating for soundproofing?

While most often applied to specific materials, such as panels, designed to improve the acoustics of a space, every material can be given an NRC rating, which ranges from 0 to 1.0. Marble, for example, has an NRC of 0, meaning it completely reflects back the sound waves that strike it.