Insert Windows provide an affordable solution by replacing old timber windows with new aluminium joinery without compromising the tradition style of your home.


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Maximum sizes for Insert Windows and sashes vary by width, height, wind zone and glazing requirement. Your local Bradnam's branch will be able to advise whether a configuration is possible.

As a guide, Insert Window fixed panels up to 1800mm height and 1000mm width are attainable with sashes up to a 1000mm height and 900mm width recommended. Other sizes are possible please contact your local manufacturer for advice.

Note: For compliance with NZS4211:2008 &/or NZ Building Code a security stay, safety latch or restrictor must be used for certain sash sizes.

Frame Types

Glazing, Beads & Sash Types

Mullions & Transoms

Mullions and transoms are often chosen to add strength to the window to cope with higher wind loads: