Generally speaking, well-sealed doors and windows can effectively block the medium of sound transmission-air, and thus have a certain sound insulation effect. However, the correct selection of glass can effectively improve the sound vibrations generated by low frequencies, thereby achieving better sound insulation.
Of course, the thickness of the glass also affects the overall sound insulation performance. Generally speaking, because laminated glass contains a layer of PVB resin for bonding, it experiences less low-frequency vibration, resulting in better sound insulation than double-glazed or single-glazed glass. Furthermore, the dry air gap between the two panes of glass in double-glazed glass also contributes to sound insulation; the larger the air gap and the more likely it is to use two layers of glass with different thicknesses, the better the sound insulation.
If budget is not a concern, it is recommended to choose "laminated double-glazed insulated glass" (laminated + insulated + laminated) based on actual needs or environmental conditions. This type of glass combines the advantages of both laminated and double-glazed insulated glass, offering the best sound insulation and the highest safety factor.