The ratings relate to decibels and refers to the average level of noise stopped at 18 different frequencies.
Best noise reduction replacement windows.
Quiet line series can provide a rating of up to 48 for superior noise reduction.
Sound transmission class stc is a rating system used to communicate how well a product blocks sound.
Additionally depending on actual noise levels the noise reduction may be perceived as 100.
Let s take a look at some of the best soundproof windows and find out which windows and features work the hardest to block out that noisy neighbor of yours.
One is the instrument measurement while the other is the perceived noise reduction.
Manufacturers high end dual pane windows that are 1 inch thick and reach an stc rating of 42.
If your windows are still relatively new or are in a good condition it may not make financial sense for you to do a replacement just for noise reduction purposes.
In this case you will probably be looking at some additions that can help your windows eliminate the excess noise.
The company s inch laminated insert has a stc rating of 38 and promises up to a 95 noise reduction depending on the size of the window opening apartment location and type of noise.
This rating will tell you how much sound can travel through the window.
Soundproof windows can reduce the current noise levels by 95 or by 75 and both statements will be true.
In fact plenty of noise reduction windows offer soundproofing qualities but not all of them are worth the additional cost.