What does double glazing do? Double glazing is actually a type of window that contains two panes of glass with a little hole between them. The gap is crammed with air or an insulating gas like argon. But does this extra layer of security also make them soundproof? On this https://keegannyfim.tkzblog.com/26720672/5-simple-techniques-for-double-glazing-for-noisy-areas