In layman’s terms: The larger the air hole (cavity) in between your current window and The brand new secondary window, the greater the level of noise reduction. Let’s keep in mind that each and every move we just take towards superior insulation is a stage to a more healthy planet. https://kameronvbgkm.blog-kids.com/26478665/energy-efficient-glazing-in-w1t-can-be-fun-for-anyone