All products we manufacturer are or can be acoustical windows.
For additional acoustical product information and models,
please contact your Graham Sales Representative. 
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Maximum Test Size: 8' - 5' 6" frame height
Understanding Noise Pollution: A Decibel Comparison
Normal levels of noise in a home do not cause hearing impairment. Repeated exposure to noise exceeding 85 decibels can cause hearing loss.
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| Noise Source | Decibels Experienced |
| A quiet home................. | 20 |
| Normal talking................. | 40 |
| A ringing phone............. | 60 |
| An air conditioner.......... | 75 |
| Street noise.................... | 90 |
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| Honking of horns.......... | 100 |
| Loud music................... | 100 |
| Subway train............... | 120 |
| Jack hammers.............. | 120 |
| Jet taking off................. | 140 |
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