When you live in an space where winters are particularly long, you will find it advantageous to switch from traditional windows to double glazed units. There are lots of benefits related with the latter: Double glazed windows are more energy-efficient and harder to break. In addition they do a better job of reducing noise.
So, how precisely does double glazing work? Contrary to what many individuals think, the precept behind the technology is pretty simple – but it’s price understanding the science that can assist you to make better choices about which options are worthwhile, and which are simply marketing gimmicks.
First, two glass panes are held collectively in a frame. Glass panes utilized in double glazing are usually tinted although clear varieties are available. The tint helps to absorb solar radiation in order that throughout the warm summer months, your house will not feel like an oven.
The most typical tints are bronze, gray, blue and green. Higher-end glass panes may employ a combination of reflective, anti-glare and heat-absorbing technologies.
Second, a barrier of air or gas is maintained between the two window panes. Called a spacer, this hole is key to reducing heat loss and noise. Heat will always move from higher to lower temperature. In solids (like glass), this occurs very quickly because the particles are tightly packed.
Heat transfer is much slower in gases (like the air or argon trapped in the spacer) because the particles not only move freely but are also situated far apart from every other. The effect is improved insulation. Heat doesn’t escape simply from the window. Your private home stays warmer longer.
Sound travels slowest through air and accounts for how double glazing can keep noise levels down. Additionally, some spacers come with foam padding designed to absorb echo and muffle sound. This is a superb way to host late-night parties without disturbing the neighbours.
Finally, the barrier is sealed to prevent the entry of outside air and to avert moisture build-up within the interior glass panes. Standard spacers comprise dessicant as an added precaution against condensation.
There are a number of factors that may affect the overall efficiency of double glazed windows. These embrace the kind of window frame used, the thickness of the glass and the space between them.
Regardless of the variables, all double glazed home windows operate under the same primary principle. Traditional windows make the most of only one pane of glass, whereas double glazing uses two. Between the two panes of glass is an air or gas-filled barrier that works to reduce heat loss and regulate heat gain.
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