The upper the OITC score, the higher a window is at reducing sound transmission. Regular one-pane windows with Wooden or vinyl frames have an OITC of 19. As sound simply cannot vacation in a vacuum, some very Sophisticated glazing models produce a vacuum among the glazing to stop sound lifeless. https://how-to-do-perfect-eyebrow29516.blogzet.com/an-unbiased-view-of-acoustic-window-solutions-44760642