Should you live in an area where winters are significantly lengthy, you’ll find it advantageous to switch from traditional windows to double glazed units. There are a lot of benefits related with the latter: Double glazed home 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? Opposite to what many people think, the precept behind the technology is fairly simple – however it’s value understanding the science that will help you to make better choices about which features are worthwhile, and which are simply marketing gimmicks.
First, two glass panes are held collectively in a frame. Glass panes used in double glazing are often tinted though clear varieties are available. The tint helps to absorb solar radiation in order that through the warm summer time months, your house is not going to feel like an oven.
The most common tints are bronze, grey, 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 happens very quickly because the particles are tightly packed.
Heat transfer is far slower in gases (like the air or argon trapped within the spacer) because the particles not only move freely but are also located far apart from every other. The impact is improved insulation. Heat doesn’t escape simply from the window. Your house stays warmer longer.
Sound travels slowest via air and accounts for a way double glazing can keep noise levels down. Additionally, some spacers come with foam padding designed to soak up echo and muffle sound. This is a good way to host late-night events without disturbing the neighbours.
Finally, the barrier is sealed to prevent the entry of outside air and to avert moisture build-up in the inner glass panes. Standard spacers comprise dessicant as an added precaution against condensation.
There are a number of factors that may affect the general efficiency of double glazed windows. These embrace the kind of window frame used, the thickness of the glass and the area between them.
Regardless of the variables, all double glazed windows operate under the same primary principle. Traditional windows make the most of only one pane of glass, whereas double glazing makes use of two. Between the 2 panes of glass is an air or gas-stuffed barrier that works to reduce heat loss and regulate heat gain.
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