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Secondary Glazing

Giving you the benefits of double glazing for less

Winterglaze® Secondary Glazing is designed to reduce heat loss through inefficient single-pane windows, which are prevalent throughout NZ homes, adding an insulation layer to existing windows. With the cost of heating rising year on year, secondary glazing on existing windows keeps more of your precious heat inside your home.

(Selected Stores Only)

How does Winterglaze® Secondary Glazing work?

Whether your windows are aluminium or timber, Winterglaze Secondary Glazing provides an air layer between the existing single window pane and the secondary unit, providing an all-important thermal insulation; reducing heat loss, and increasing noise control.

Why Winterglaze® Secondary Glazing?

Winterglaze Secondary Glazing has been designed to offer some of the best thermal resistance for existing windows, especially when combined with specialty glazing glasses and gases. Most secondary glazing systems provide improvements in the thermal resistance of windows, but "low-E aluminium framed secondary glazing provides the largest improvement".1  Winterglaze offers low-E glass, along with clear glass and acrylic infills - the choice is yours.

The Winterglaze units have been designed to incorporate ventilation and reduce fogging and other infill distortion - which is a common issue with other secondary glazing products.

Unique to Winterglaze®

Many Winterglaze Secondary glazing units can be designed with integrated insect screens for the summertime.  At the end of winter when you don't need the Winterglaze secondary glazing units you can pop them out and replace them with sliding insect screens, giving you comfort in summer and winter.

Winterglaze provides a thermal spacer that separates the original pane of glass and new Secondary glazing  unit - reducing heat loss

1Secondary Glazing - How Well Does it Work? Smith, N.  Build 2010

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