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
double glazing
Frequently Asked Questions | The Double Glazing Company
Testimonials | The Double Glazing Company

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Our Locations

What We Do

The DGC Advantage

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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


Double Glazing


Timber Joinery

Aluminium Joinery




Double Glazing

Double Glazing consists of two layers of glass with a spacer in between.  The spacer contains a desiccant  This acts as a drying agent, keeping the window free from moisture.

The space between the two layers of glass is sealed and contains air or a gas, such as argon.  The seal is important.  If this is compromised, moisture can form on the inside of the glass.

The air (or argon) gap acts as an insulation layer.  The result is improved insulation from the elements outside your home.  Thus your home is warmer in winter, cooler in summer and condensation is virtually eliminated.

The Double Glazing Company uses what we believe are the best quality double glazing units available  in New Zealand.  These are manufactured by our suppliers, members of The Insulating Glass Unit Manufacturers Association of NZ (IGUMA).

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insulated glazing unit - how it works
"It appears so seamless,
the way you fit it into 
aluminium joinery”  
- R.D.

For more information on IGUMA...

Why choose Double Glazing from IGUMA?


For more information on double glazing...

GANZ information on double glazing.


We Choose Health Smart Windows with true warm edge technology...