Table of Window Noise Reduction The table below compares the STC Ratings of single pane windows and double pane windows to the STC Ratings of Soundproof Windows combined with single pane and double pane windows.
Single pane window
单层普通窗
STC Rating 15-28
Avg: 27
Double pane window
双层中空玻璃窗
STC Rating 28-35
Avg: 30
Soundproof Window
& single pane window
单层普通窗+隔音窗
STC Rating 41-45
Soundproof Window
& double pane window
中空玻璃窗+隔音窗
STC Rating 44-48
Two Soundproof Windows
& single pane window
单层普通窗+双层隔音窗
