Secondary Windows

Secondary Window Glazing is a special type of glazing construction where an additional pane of glass is added to the inside of an existing single-glazed window. Secondary glazing is often used for SOUND INSULATION – especially if your existing windows don't need replacing or where there are planning restrictions on replacement windows.

Secondary Glazing provides better sound reduction as well as heat insulation than standard single-glazed windows and many would consider it essential for houses close to busy roads or other high noise generating objects.

When considering windows there are generally three options available for maximum achievable sound attenuation (reduction):

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Laminated glass (normally with a interlayer of Polyvinyl butyral),
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A wider airspace between the panes of glass,
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Different thickness panes of glass within the Insulating Glass Unit (or IGU)
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Or a combination of all three.

Designed by Double Glazing Leeds Windows Secondary glazing is designed to blend with your existing windows and decor. Our secondary glazing is an aluminium system - ideal as the strength of the aluminium means that you can have maximum glass area and minimal metal showing. We are also able to spray the metal any 1 of approx 200 colours if necessary.

We can put many types of glass into your secondary glazing. As standard we use 4mm "float" glass, but toughened (breaks into small pieces) and laminated glass (like your car windscreen) all work very well. If you are trying to reduce noise then we recommend laminated or specialist "Stadip" glass. If you wish to improve heat loss then we may recommend using a "low-e" glass - but the expense isn't always necessary as every customer has unique circumstances.

Based in London, we install our products anywhere within the M25 / Essex, and supply our aluminium secondary double glazing units in kit form all over the UK. The PVCu window frames have been designed to provide optimum strength, superior thermal properties and excellent weathering performance whilst retaining their pristine appearance year after year with the minimum of maintenance. Our main clients are located throughout London, Essex and the South East. Our team of professional designers and fitters work with you to ensure that we provide the best solution for your needs and we are competitively priced! We offer a comprehensive range for commercial, industrial and public use

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* Ony applies to White UPVC & subject to Survey



Energy Rated Windows

When Replacing Your Windows,
It Pays To Be Green.



Double Glazing Leeds are offering their customer BFRC approved
A, B and C Energy Rated Windows.

To find out more on the advantages
of energy efficient windows,
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