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Firmfix quality BSi kitemarks for manufacture and installation of windows, doors & conservatories

Aluminium Double Glazing, from Firmfix Tewkesbury, Cheltenham, Gloucester and the cotswolds.

The Classic-al system is a modern, energy efficient alternative to PVCu and timber. Authentically re-create the classic style of timber windows with a classic modern aluminium system. The elegant slim sightlines give a greater glass area for a better view of the outside world.


The Classic-al system is available from a palette of over 300 colours available in matt, satin or gloss finishes.

Elegant, slim sightlines
The slimmer sightlines offered by our windows give an increased glass area and a better view of the outside world while the elegantly sculptured ovolo profile closely resembles the traditional look of timber windows.

Form & Function
Our proven window handles are ergonomically designed, push-button operated and incorporate an additional keyed deadlock. They can be specified in white, black, satin chrome or polished chrome and gold finishes.

How your window opens is a matter of choice. Choose a standard hinge, restrictor hinge (ideal for limiting openings if you have children but can still be opened fully) or an egress easy clean hinge that allows you to open the window and easily clean both sides of the glass while also providing the largest opening should you need to use the window as an emergency escape route.

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