While STC and SRC suggest how nicely noise passes through distinctive products, NRC (Noise Reduction Coefficient) actions how nicely elements quit sound from reflecting (just how much sound they can take up). The NRC is The share of sound that a area absorbs (Quite simply, hits a area and doesn't https://trentonwlbre.blogdigy.com/indicators-on-thermal-performance-you-should-know-47782396