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Retrofit Double Glazing 

What is Retrofit Double Glazing (RFDG)?

Retrofit double glazing means that you don’t need to do away with your existing aluminium or wooden window to get better quality insulation in your home.

Retrofit double glazing converts existing single glazed window frames into double glazed windows. It is an excellent choice if you want to upgrade to the superior performance of double glazing without replacing your existing windows.

With a small change to your original frames the single glazing can be removed and replaced with new insulated, energy efficient, double glazed panels.

Retrofit also offers a more affordable alternative when compared with completely replacing your window frames.


Retrofit Double Glazing Wooden Windows

There’s no doubt that wooden/timber-framed windows are beautiful, however the downside is they can be drafty. Wooden windows can contribute to heat loss, letting in drafts, noise and ongoing condensation problems.

You can have the best of both worlds, with minimal change to the appearance of your windows by retrofitting double glazed panels into your existing timber windows.


Retrofit Double Glazing Aluminium Windows

Your existing aluminium window frames can be converted into double glazed windows.

With minimal changes to the appearance of your windows, you can experience the benefits of double glazing.


Double Glazing

What is Double Glazing?

A Double Glazed Unit is made from two panes of glass separated by a layer of air or gas.

Also known as an Insulating Glass Unit (IGU) they can be made from two different types of glass depending on the specific requirements of your home. Single glazed windows are the most significant source of heat loss in a home. The more glass surface area you have, the more heat you stand to lose. In a well-insulated home, approximately 51% of heat is lost through single-glazed windows.

However, heat loss through single glazed windows can be halved using double glazing. In a double glazed window the gap between the two panes of glass is filled with air. Air is a poor conductor of heat, so heat loss is reduced.

Double glazing a window can halve the heat loss compared with a single glazed window. You can reduce heat loss further by using different glass types (such as Low E Glass) or by choosing units which use argon gas instead of air to fill the space between the two panes of glass.

Since 2007, New Zealand building standards have specified that new homes must be fitted with double glazing. When double glazing is combined with ceiling, wall and floor insulation you will reduce your energy use, save money on your energy bills and improve the comfort of your home. The overall result for you and your family is a healthier home.

Benefits of Double Glazing

  • A cosy, comfortable home all year round - warmer in winter and comfortably cool in summer
  • Healthier home with less condensation - warmer houses have drier windows and a drier home is much healthier
  • Quieter nights - creating a shield against external noises
  • Lower energy bills - double glazing offers superior energy efficiency
  • Increased security - double glazed windows are much harder to break
  • Reduces draughts - well insulated, warm homes aren’t draughty
  • Adds value to your property - indicates to potential buyers that the house is well insulated, warm and cared for
  • Reduces fading of furniture and furnishings - minimises the impact of the sun’s harsh ultraviolet rays
  • Get To Know Your Glass Double Glazing Glass Types & Performance

Get to Know your Glass Double Glazing Glass Types and Performance

Thermal Insulation (Argon Gas)

Boost the insulation benefits of double glazing by combining argon gas and Low E glass. This will create high performance double glazing.

What is Argon Gas?

Argon gas is a naturally occurring, non-harmful gas. When argon gas is inserted between the panes of glass it increases the insulating performance of your double glazing. Argon gas is denser than air, so adding it to the air between the two panes improves thermal insulation efficiency. When a glazing unit features Low E glass and argon gas it brings the temperature of the window closer to room temperature. This combination eliminates air currents and drafts that occur when differing temperatures meet.