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How Does Double Glazing Work?

How Does Double Glazing Work? See Below For The Answer 

Double and triple glazing sections.

We here at misted 2 clear windows are often asked how does double glazing work? So rather than try to explain the technical details we have search the web to see what explanations are out there, the results of our research are what you find on this page.

It was a very entertaining exercise for us looking in to this how does double glazing work Question I'm sure you will agree after you have had a look at it.

First up we have Dr Yan showing you how to investigate double glazing on the BBC website for all it's quirky it is very interesting to follow his way of looking at it. You can see it on the BBC Website.

Another BBC Page addresses the how does double glazing work question from a different angle ie. as a GCSE Science project, you can take a look at an image showing heat loss from a house on this page and the explanation is quit good as well, see it on this BBC Page.

Next up and one of my favorites is WANZ (Window Association of New Zealand) Quite brief and very precise.

The Energy Saving Trust even have on their how does double glazing work page tables of energy ratings and cost savings

Last but not least we have Pilkingtons the glass makers and flat glass inventors with some very interesting facts and figures on How does Energy Saving Glazing work? It's all about their K Glass used in the manufacture of double and triple glazing units. Hope you enjoyed reading these interesting takes on the question we are asked most often how does double glazing.

Misted Double Glazing Inside The Hermetically Sealed Double Glazing

Information From GGF Website

Misted Double Glazing of condensation within the cavity of a
hermetically sealed double glazed unit
or Insulating Glass Unit (IGU) denotes
a failure of the seal.
Where the double glazing is achieved
by the installation of secondary glazing,
condensation on the cavity surface of the
outer glass generally (but not invariably)
indicates leakage from moist air from the
room into the cavity. However, the reader
should note that it is not possible to
hermetically seal secondary windows;
therefore some migration of air from the
room into the cavity is to be expected.

Condensation can occur occasionally on
the cavity surface of the inner glass when
the sun is shining on the window. This means
that something in the air space itself, such
as an unsealed wooden separator or
desiccant, contains moisture. It should
be noted, however, that this source can
also be responsible for condensation on
the cavity surface of the outer glass.

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Misted Double Glazing Condensation Inside Hermetically Sealed Double Glazing Units

Condensation just starting

Example of hermeticaly sealed unit failed

This is a bad break down of a sealed unit

This one has condensation top to bottom

Another double gazed unit broken down

Complete sealed unit covered in condensation

This is the result of poor mastic joint around window

Poorly fitted window above caused this

Very bad mastic joint at top of French doors

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Condensation
Condensation Internally
Condensation on the outside surface of the glass
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