How Thick Is Window Glass

The whole idea behind getting double glazed windows is to better insulate your home with a glass unit that is thicker and performs ameliorate than a single glazed window.

But, exactly how thick is double glazed glass?

What role does drinking glass thickness play in window performance and energy efficiency?

Double Glazing Thickness in Millimetres

With double glazing, a professional person will install an insulated drinking glass unit of measurement (IGU) into the window frame. An IGU consists of ii panes of glass and a layer of however air or inert gas in between.

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And then, the total double glazing thickness in millimetres (mm) encompasses the thickness of each pane of drinking glass and the thickness of the gap in betwixt.

Both the added thermal resistance you get from two panes of glass instead of one and the insulation effect of the airspace – which slows downwards the movement of thermal energy thus reducing oestrus loss – are what create the benefits of double glazing and lower your heating and cooling costs.

And, the thicker each of these elements are, the improve functioning y'all'll get out of your windows.

How thick are the two drinking glass panes of a double glazing unit?

A typical drinking glass pane is 4mm thick.

2 panes of glass would and then add 8mm to your double glazing unit thickness.

You can as well utilise thicker drinking glass, which can achieve slightly meliorate thermal insulation benefits and aaasignificantly improved acoustic benefits.

It's possible to utilise two unlike drinking glass thicknesses in ane IGU, such as 6mm for the inner pane aaaand 10mm for the outer pane. In fact, using varying thickness can be constructive for blocking low aaafrequencies of sound, like traffic noise.

How thick is the gap in a double glazing unit?

The space in between volition usually range from 6mm to 20mm.

For greater energy efficiency, 10 to 20mm is a good idea, with at least 12mm beingness effective for aaaboth thermal and acoustic insulation concerns.

In situations where a bigger air gap is non able to be used due to frame thickness restrictions aaathis is where a high functioning Low E Glass and Argon Gas installed inside the IGU will choice up aaathe performance of a thinner IGU helping it perform like a thicker air space.

Is Your Double Glazing Thick Enough to Work?

Even a double glazing unit with standard glass and air gap thicknesses will make a departure in your dwelling house unless your unit has failed. If the seal on the IGU has cleaved, estrus volition be able to escape.

How to bank check if your double glazing is working?

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If you lot accept any condensation on the inner surfaces of your glass – the ones facing the air gap – you have a problem. Fog on the glass is a tell-tale sign that the IGU has go damaged and your double glazing unit isn't serving its purpose.

What can you do – what about resealing double glazing?

When the sealing in the IGU is damaged, unfortunately, you can't just get in and reseal the unit of measurement. The only solution is to replace the double glazing. If your windows are still nether warranty, you tin have your original installers replace the units for yous.

The seal on double glazed windows is vulnerable to damage over fourth dimension every bit some moisture will eventually go into the unit and damage the seal, especially in timber windows with a foursquare rebate where water can sit down.

At Thermawood , we designed a unique dry Retrofit Double Glazing system to prevent these problems. Each window has a patented drainage system, which sits on a fifteen-degree gradient in the window rebate and gets rid of any h2o before it becomes an issue.

That way, you lot can get the ideal double glazing units for your home in terms of drinking glass, functioning factors, and enjoy your double glazed window benefits for decades.

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