Once you install double glazing, it drastically reduces the noise that you may hear from outside. It is said that the amount of noise which the window blocks don can depend on many factors that also include the size of the vent and even the age of the windows. In case you are looking out for any other protection against noise be it whether you are staying close to the airport then for a safe and sound solution such type of windows can be if great help as they offer36dB reflection of the sound