Secondary Double Glazing Windows Melbourne
If you are here, then you’re likely looking for double glazed window products & solutions & if you’re in Melbourne, we can help!
If you have existing windows, why go to the added expense of replacement double glazed windows, when retrofitting secondary glazing is not only typically up to 30% cheaper but also provides better soundproofing & thermal insulation (to save on heating & cooling costs) and also eliminates drafts completely?
Modern Secondary Glazing
We have a wide range of finishes and colours so as to ensure our retrofited secondary glazing blends in perfectly with your existing decor. And our ultra thin frames deliver high performance but remain unobtrusive. (see the Appearance page)
We can retrofit double glazing to the following styles of existing windows:
Vertical or horizontal sliding windows
Leadlight windows
Bay windows
Colonial windows
Sash windows or double hung windows
Steel windows. Also called Crittle Frame windows.
Stained glass windows
Windows styles we cannot double glaze include:
Arched windows (with arched head)
Round windows
Raked windows or angled windows (ie not square)
Double Glazed Windows Enquiries
If you have any questions or you’re in doubt, please contact us on 1300 127 173 or use our Contact form to send us a message or arrange a free, on-site, no obligation consultation & measure & quotation for retrofitting double glazing to existing windows throughtout Melbourne for low cost & highly effective effective soundproofing & insulation for existing glass windows & doors.

Vertical Sliding Windows
Our double glazed vertical sliding window units are all doubly sealed with twin Polypropylene Weatherpile.
The vertical sliders are operated via the full-length handles located on the bottom of each window panel.
The secondary double glazed window panels can be slid to any position as required and are held in position by the spring balances in the side of the outer frame.
Horizontal Sliding Windows
Our retrofitted secondary glazing for double glazed horizontal sliding windows are our most popular style of retrofitted double glazed windows in Melbourne.
The horizontal slide windows are opened via a handle running the full length of the window panel and slide left or right as required. They make it easy to access your existing windows when you need them, while providing efficient, cost-effective sound and temperature insulation.


Hinged Unit / Panel Windows
Retrofitted secondary double glazed hinged window units can be fitted to almost any shape of window.
They provide effective thermal insulation and sound reduction simply and inexpensively.
Our secondary glazing hinged window units are kept closed by an ingenious semi-automatic catch, unsurpassed for it’s effective simplicity.
Lift-out Windows
Our lift out windows are often installed when secondary or double glazing is required for an existing window that is rarely opened. This double glazing lift out window features a user friendly handle at the bottom for easy access and removal of the secondary double glazed window panel.


Fixed Panel Windows
Fixed panel secondary glazed windows cannot be opened. The purpose of fitting fixed panel secondary double glazing windows is to allow light to enter while reducing sound, maintaining temperature and reducing drafts.
These tailor made secondary double glazed window panels can be manufactured to any shape desired and they provide effective thermal insulation and sound reduction – simply and inexpensively.