How much product is needed?

How much acoustic felt do I need?

In order to calculate how much acoustic felt is required to dampen and reduce the echo in a space, we have developed an acoustic calculator based on the RT60 formula.

Although each product is made with the same felt, the installing/mounting method does have an impact on the NRC (Noise Reduction Coefficient). For instance here are some general NRC values for our felt installed with different mounting method.

  • The NRC for felt Installed against the wall; (Wall Tiles and Tackable Panels, and 4'x8' Wall coverings) is 0.40
  • The NRC for felt Installed off the wall by 1 inch (2'x4' Acoustic Panels) is .065
  • The NRC for felt baffles is 0.85

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The acoustic calculator

We have developed acoustic calculators for each product.

Just type in the dimension of the room, and the calculator will make a recommendation based on the type of product you wish to install.