Acoustic Windshield, Windshield Experts

Enjoy a noise free drive: Acoustic Windshield

April 3, 2015
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In a fast urbanising society sound is one of the most significant causes of stress and fatigue. The irony here is that sound is a silent killer and many of us do not know the threat it poses. Sound on its own is insignificant unless it impacts us. Typically sounds of greater than 60 DB start affecting us adversely.

In an increasing chaotic world that is getting noisier by the day, especially the traffic, there is a need for calmness and tranquility. People spend a lot of time in their cars these days. In fact, drivers and passengers spend a significant part of their lives in cars. With so much time spent in cars, it is not surprising that consumers would like to have a quieter experience when driving where they can enjoy good music or simply a great conversation with friends.

Wind and road noise can feel distracting, and even fatiguing after long hours spent driving. Noise or sound is transmitted through:-

  • Vehicle’s glazing
  • Air striking on the edges of the vehicle’s body panels
  • Other vehicle and environmental noise
  • Traffic noise and vibration

The wind/rain and traffic noise can cause distraction to the drivers. It can also cause fatigue after long hours of driving. The good news is that today’s mid size vehicles can be exceptionally quiet, virtually free of rattle, wind and road noise which seemed to be traits reserved for hi-end luxury vehicles. One reason for this trend: Acoustic windshields.

Acoustic Glass

Acoustic windshield enhances acoustic comfort – giving a respite from noise by cutting out external sound. It does so by enhancing the performance parameters of glass with respect to noise transmission.

  • There are three layers of PVB (Polyvinyl butyral) film in acoustic glass
  • Two external layers made up of normal PVB layer
  • One inner (central) layer with specialized PVB composition that dampens acoustic and mechanical vibration

This special construction enables Acoustic windshield to perform better than normal PVB when it comes to cutting out noise and sound transmission loss. Nowadays the vehicles can be quiet and free of road and traffic noise. Acoustic windshields ensure optimum cabin comfort which results in health and safety of the drivers and the passengers.

Apart from noise cancellation, acoustic windshields help in reducing fuel consumption and carbon – di -oxide emissions. The special PVB layer with acoustical properties that is used in such windshields allows the automakers to use thinner glass without compromising on the cabin comfort.

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