![]() The membrane keeps the glass from vibrating with sound waves.Ī good air gap – The two-inch air gap we use is a good rule-of-thumb when trying to stop the sound that you find annoying. Sufficient mass – Our laminated glass is made from two 1/8″ thick pieces of glass, held together by a flexible membrane, to form one solid piece of glass slightly more than 1/4″ thick. There are three elements of a good sound trap: mass, air gap and seal. ![]() How you install window inserts is important because you need a good sound trap. Getting the Best Noise Reduction Window Is Also About Installation With acoustic grade laminated glass inserts, our customers reported a 95% satisfaction rate. In addition, our 1/4″ thick laminated glass is denser and has greater mass than 1/4″ acrylic, meaning it stops more sound. They are made of two layers of glass held together by a membrane, which helps it dissipate noise vibrations. With an STC rating of 48, loud speech is largely inaudible. ![]() Laminated glass window inserts have an STC rating of 48, higher than acrylic noise reduction window panels. Laminated Glass Noise Reduction Window Panels Sun and Sound Windows used to offer plastic noise reduction window panels however, customers reported lower satisfaction rates with this option than with laminated glass noise reduction window panels. However, acrylic is plastic and easy to manufacture but also easy to scratch, and it yellows over time. Lower cost than replacing your windows, they can cut the noise. Plastic Noise Reduction Window PanelsĪcrylic noise reduction window panels have an STC rating of 42. While they are ideal for stopping wind damage, they don’t do a lot more than double-glazed windows to stop sound. They also have frames from heavy-duty materials such as aluminum or vinyl, and they’re more strongly adhered to the glass with a silicone glazing process. They’re generally made of two pieces of tempered or laminated glass held together with a plastic membrane. Impact windows, or hurricane or storm impact windows, are designed to withstand rain, high winds or falling objects and to stay intact without spraying shards even if they break. Storm or Impact WindowsĪn impact window has an STC rating of 32 to 35. Thicker windows, in addition, to stopping more sound, also provide more insulation because they have more mass. This means you can easily hear loud talking through the window.ĭouble-pane windows have two layers of glass with an air gap in between them so they block more sound than single-pane windows. While double-glazed windows stop more sound than single-glazed windows, they don’t block as much as noise reduction window inserts.ĭouble-pane windows have an STC rating of 26 to 32. They block very little sound because they are thin and have the least mass of the windows analyzed here. ![]() They have an STC rating of 26 to 28, which means that you can hear soft speech clearly through the window. Single-glazed windows are made of one window pane. While increases may seem small, each increase of 10 in an STC rating halves the sound. An STC rating measures how much sound (in decibels) that a window blocks. To compare which windows are best for noise reduction, you want an objective standard – a Sound Transmission Class (STC) rating. Read Our Analysis to Find the Best Soundproof Windows. ![]()
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