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Weighted Sound Reduction Index (Rw) / Sound Transmission Class (STC) Calculator
 

This calculator determines Rw and STC values of monolithic materials (e.g. concrete, glass, steel) using graphical computation method based on the material thickness, density, and critical frequency values. The computation logic is based on both US and European methodologies and results of actual Test Room measurements.

Rw/STC_Calculator  Click to Open/Download "Rw/STC” Calculator.

  

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