Care sunt clasele de transmisie fonică (STC) pentru vitrajele pereților cortină?

este o alta optiune. It has a unique structure where a very thin vacuum layer is created between two glass panes. Since sound waves require a medium to travel, the vacuum layer in vacuum glass significantly reduces sound transmission.

Referințe

1. ASTM International. Standard Classification for Rating Sound Insulation. ASTM E413 - 10(2015).
2. Asociația Sticlei din America de Nord. Insulating Glass Manual.