If comparing to single glazing, then yes double glazing will reduce outside noise coming in. The reason for this is fairly simple; sound is a vibration that propagates as an acoustic wave and when this wave hits a single glazed unit, the single pane of glass will vibrate which in turn will make the air on the inside of your home vibrate and the noise is passed on to your ears. The extra layer of glass found in double glazed windows, reduces the vibration of the sound wave, which in simple terms can reduce a normal conversation had on the outside to a quiet whisper inside your home. Whilst our double glazed windows are not soundproof they can certainly reduce noise pollution significantly.

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