The Acoustic Interlayer: The acoustic plastic interlayer involving the glass panels absorbs vibrations due to audio waves, drastically cutting down noise penetration. Likely For less than a single pane of laminated glass might be harmful to the thermal insulation. The air hole in double glazed windows (or triple glazed) is https://andredikku.canariblogs.com/the-basic-principles-of-acoustic-laminated-glass-53565159