Sound transmission class stc stc is used to measure a window s ability to reduce sound.
Highest stc rating windows.
The higher the rating the better the sound control.
Stc ratings for windows single paned window.
The difference is the glass thickness and how air tight the window is.
Best windows for sound reduction.
For single pane windows the stc rating is most likely between 26 and 28.
Louvered windows can be less than stc rating 18 in many cases.
Stc rating values noise reduction.
All stc rating means or sound transmission class ratings is the average amount of noise stopped at 18 different frequencies measured in decibels.
Incidentally stc ratings are the only way to accurately compare various noise reduction products.
Single paned windows are the cheapest and easiest to install.
Double pane glazing usually refers to two single panes with sealed airspace in between.
Stc ratings for windows.
The typical rating for single pane windows is 18 20 while a double glazed window is 28 32.
Single pane windows have been used for centuries to keep the elements and nature out while letting.
Double glazed windows are a bit superior with an average rating of 29.
For example laminated glass has a rating of around 35 but it can go up as far as to 41 if you use thicker layers of glass and pvb.
At soundproof windows we offer the highest stc ratings on the market today with very little.
However they only have one layer of glass.