SOUND INSULATION TREATMENT FOR WINDOWS Windows can be - TopicsExpress

SOUND INSULATION TREATMENT FOR WINDOWS Windows can be acoustically treated to provide sound insulation, but what treatment provides the best noise reduction? For single glazed windows, increasing the glass thickness by 15mm reduces noise by 7dB. Surprisingly, double glazing provides less sound insulation than the same total glass thickness as single glazed windows. Triple glazing does not improve the sound insulation unless the air gap is quite large. Further treatments to improve sound insulation include: - Combining glass panes with different thicknesses (asymmetric glass panes); - Laminated glazing—joining glass panels with a transparent elastic layer; - Replacing air in double and triple glazing with an inert, non-toxic gas. Combining the above three treatments can achieve up to 45 dB sound reduction.

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