Acoustic glazing models, including Guardian LamiGlass Acoustic can produce a noise reduction issue of as many as 54dB within their triple glazing models and 52dB from the double glazed unit. Over the reduce end in the spectrum, other acoustic glazing solutions will start out at close to 36dB. – https://acoustic-glazing-installa48023.digitollblog.com/34549148/everything-about-noise-control-secondary-glazing