How Double Glazing Works

Last updated: 24/06/2015.

The sales bit - why install double glazing

When it comes to designing your home, choosing the best selection of windows and doors is among the most important things. Most importantly, you should be concerned about the sustainability, security and style of what you choose. Having beautiful windows makes your home more interesting and appealing. Such windows provide fresh air and light at all times while giving you fantastic views of the exterior. However, you can’t reap all these benefits with the ordinary single glazing windows and it is important than you know about double glazing and how it work.

What is double glazing?

Traditionally, window glazing was just a single glass sheet within the window sash. Double Glazed Window However, with double glazing, there is the inclusion of a sealed glass unit that comprises of two sheets of glasses and a spacer bar is used to separate them from the glass. This space bar usually creates a typical nominated mm air gap in between glass panes. The still air gap is the one that creates an insulation break between outside and inside the window. In addition to this, double glazing also helps to control noise without in any way impeding the view.

How it works

Essentially, double glazing works like woolen clothing and fiberglass batts. It works by trapping a layer of thin air in between two window panes. It is well known that air is indeed a poor heat conductor and as such, the trapped layer usually forms a blanket that protects warm air on one side and cold air on the other side. Glass is quite a good conductor and for a home that doesn’t have double glazing, heat usually goes out the window instantly. Double Glazing DiagramA double glazed home thus enjoys greatly reduced heating and cooling bills and this is perhaps the main advantage of double glazing as it comes with highly improved energy efficiency.

According to experts, use of Low E glass to make the double glazing usually comes with extra benefits. This is thanks to the fact that low emissivity is usually transparent completely even though ultimate heat loss reduction is provided by it. When you sit right next to a window having double glazing, you will realize that you won’t have cold spots and draughts. In addition, double glazing dramatically reduces messy condensation much to your advantage. Special types of glass could also be used when it comes to double glazing and this can help to toughen the safety, fire resistance, security and to achieve an improved design.

Perhaps you could be asking which windows need to be double glazed. Well, it is worthy noting that you should double glaze all of them. With double glazing, low winter sun is allowed to stream easily through and is thus able to warm your home remarkably. And upon the heat radiant of the sun passing through your double glaze unit, your room is going to retain ambient heat and heat loss via the glass will be prevented and these are awesome benefits you can’t afford to miss.


Have any questions? Post them here...


Related Guides & Advice