The Double Glazing Company
Innovative Solutions for Existing Homes

How it Works:

THE DOUBLE GLAZING COMPANY | retro-fit double glazing service for existing aluminium or timber windows and doors | Wellington, Taupo, Rotorua, Hamilton, Auckland, New Zealand
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About Us | The Double Glazing Company | We Retro Double Glaze Existing Window & Door Frames
Benefits of Double Glazing | Thermal Insulation Improvement | Noise Insulation Improvement | Condensation Control | Fading Reduction | Improved Security | Improved Home Value
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Gallery | Retro Double Glazing Projects Compaleted by The Double Glazing Company
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Taupo/ Rotorua





Timber Frames

Aluminium Frames

Commercial Joinery


Warmer in Winter

Cooler In Summer

Insulation Performance

Control Condensation

Reduce Fading

Control Noise

Improve Security

What is Double Glazing?

Dual Seal

True-Warm-Edge Spacer

Retrofit Double Glazing



Questions to Ask


Timber Joinery

Double Glazing


Timber Joinery

Aluminium Joinery




The process involves removing the existing glass together with a small amount of the frame - creating a suitable cavity to take the double glazing.

On the outside, a wooden bead will be sealed in place with provision made for drainage to meet GANZ best practice standards.  The finished look will retain the existing character of the house.

From the inside, the changes will be almost un-noticeable.  This is a key distinction from other lower quality options available.


How can I find out more information about my options?

Request your free double glazing consultation today...

Yes... The Double Glazing Company can retro-fit double glazing into wooden joinery.


The old glass will be removed and a new double glazing unit installed in its place.  This will entail some small modifications to the timber to that will practically unnoticeable.  These will maintain the integrity and character of your home.


Timber Windows - during

the retroGLAZE® progress

 "The system makes 
  the opening windows 
seem stronger and more rigid” 
- A.H.