Also, when double glazing is properly fitted there aren't any gaps or cracks around the window to allow noise to come through. ... In fact, double glazed windows are capable of reducing sound levels by as much as 31 decibels.

How effective is double glazing at reducing noise?

Double glazing is one of the simplest yet most effective ways to soundproof windows and solve your noise problems. ... The glass we use at DoubleGlazed can reduce noise by up to 65% compared to ordinary glass – specifically designed to reduce unwanted noise.

What glazing is best for noise reduction?

So Which Glass is Best For Noise Reduction? Acoustic double glazed units would be best for noise reduction over your standard triple glazing. However, you could include a laminated outer pane of 6.4mm glass into a triple glazed unit which would more than likely outperform the acoustic double glazing.