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Sound Insulation Effect Of Double Glazing

Ordinary doors and windows practitioners often say to customers, "Double hollow glass has a layer of air separation, sound insulation will be better!" In fact, the air layer will increase resonance, and sound insulation will not be better. People who want to soundproof should buy sandwiched glass, and the thickness of glass will be different.

In the same double glazing, the medium will also affect the sound insulation effect. Different density media can enhance the sound insulation effect. Hollow glass has better sound insulation than glued glass (this is because the glued glass is sandwiched with a layer of PVB or SGP film). Why can't air layer noise be added? This is because the noise of ordinary audio through the air layer will produce resonance resonance, resulting in greatly reduced sound insulation.