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Window Glazing Types


We all dislike that day our energy bill comes through, especially in the winter! As the cost of power rises, looking for ways to make your home more energy efficient has never been so important. If you’re going to reduce those energy bills you need to consider carefully one of the biggest contributors to heat loss in the home – the windows!

Windows provide our homes with light, warmth, and ventilation, but they can also negatively impact a home’s energy efficiency, particularly if they don’t have the right glazing so it’s important to choose wisely.

Window glazing – what’s it all about?

When it comes to buying windows, the glass you select is the single most important component when considering energy efficiency, for example by installing double glazed windows in an entirely single glazed house you could save up to £160 per year on your energy bills.

In today’s world, double glazed windows are most commonly purchased. Double glazing is made up of two thicknesses of glass, filled with air or gas to improve insulation against heat transfer. Whilst double glazed windows are perfectly adequate in most situations, modern triple glazed windows can offer just that bit extra in terms of comfort and energy efficiency.

What is triple glazing?

Whilst we all continue to strive for thermally efficient homes, triple glazed windows are becoming an increasingly popular choice, but what is triple glazing?

Put simply, triple glazing is made up of two air or gas filled spaces and three panes of glass instead of two. Whilst double glazed windows already provide an excellent level of energy efficiency, thanks to the additional benefit provided by the third layer of glass and gas filled cavity in triple glazed windows, they can offer even higher levels of thermal performance.

Glazing considerations

The type of glazing you chose for your windows is likely to be influenced first and foremost by the aesthetic and thermal performance you require, but there are other factors you may also need to consider.

If you live in an industrial area or near an airport for example the type of glazing you choose can impact on the amount of noise transference. In this case you may want to consider triple glazing or specific acoustic performance glazing to help minimise the noise.

For properties in conservation areas the visual character of the building is crucial. It is often difficult to find modern double glazed window replacements that can replicate the existing look and avoid making noticeable changes to the frame profiles and bars. Flush casement windows allow you to upgrade to double glazing whilst remaining in keeping with a traditional flush sash design perfect for conservation areas.

To enhance security, you may want to consider choosing double glazed windows with laminated glass, or opting for an extra pane of glass with triple glazing, greater security can be provided keeping your home safe and secure.

Don’t forget you can choose a wide variety of glazing bar designs to add that extra bit of character, and patterned or obscure glazing for where that extra privacy is required.


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