But If the major target is to cut down the sound of site visitors from the fast paced street outside the house your home, secondary may just have the edge. 'For noise reduction, secondary glazing is a lot better than double glazed,' states Andrew Smith from Metropolis Audio Glazing. All https://glass-ceiling-lamps54320.qodsblog.com/26413808/how-much-you-need-to-expect-you-ll-pay-for-a-good-energy-efficient-glazing-in-sw1x