Secondary Glazing


Secondary Glazing, Secondary Glazing can be fitted to most windows and some doors. Secondary Glazing is available in White, Self Colour (Silver) and Brown. Secondary units provide effective noise insulation, thermal and draught insulation and can add enhanced security. Secondary glazing is suitable for all types of buildings, schools, colleges, universities, offices, listed buildings, conservation areas, commercial buildings and homes. We can supply or supply and fit a comprehensive range of styles for almost every application, from fixed units, hinged, lift-outs, horizontal sliders and balanced vertical sliders. Please note you should consider the health and safety matters of the physical act of lifting the unit when choosing a lift out system or any other secondary that needs removing for any type of cleaning or maintenance. Because of the inherent strength of aluminium the framing sections are considerably smaller than that of timber or Pvcu sections.

Secondary Glazing,

Secondary Glazing can be fitted to most windows and some doors.

Secondary Glazing is available in White, Self Colour (Silver) and Brown.

Secondary units provide effective noise insulation, thermal and draught insulation and can add enhanced security.

Secondary glazing is suitable for all types of buildings, schools, colleges, universities, offices, listed buildings, conservation areas, commercial buildings and homes.

We can supply or supply and fit a comprehensive range of styles for almost every application, from fixed units, hinged, lift-outs, horizontal sliders and balanced

vertical sliders.

Please note you should consider the health and safety matters of the physical act of lifting the unit when choosing a lift out system or any other secondary that needs removing for any type of cleaning or maintenance.

Because of the inherent strength of aluminium the framing sections are considerably smaller than that of timber or Pvcu sections.


Fixed light are generally used over openings in combination with other secondary units. They should not be fitted to a window that requires access for escape purposes.

Fixed light are generally used over openings in combination with other secondary units. They should not be fitted to a window that requires access for escape purposes.


Hinged secondary allows full access to the outer window. They are neat with no transom or mullions to obscure the view. This style of secondary unit can be used on some doors but there must be clearance for curtains, ceiling bulkheads etc.

Hinged secondary allows full access to the outer window. They are neat with no transom or mullions to obscure the view.

This style of secondary unit can be used on some doors but there must be clearance for curtains, ceiling bulkheads etc.


Lift out units offer a practical solution for windows which are rarely used or over openings in combination with other secondary units. The glazed panel can be lifted out of the frame when access is needed for cleaning or maintenance. Again consideration needs to be made with regards means of escape and ventilation.

Lift out units offer a practical solution for windows which are rarely used or over openings in combination with other secondary units. The glazed panel can be lifted out of the frame when access is needed for cleaning or maintenance. Again consideration needs to be made with regards means of escape and ventilation.


The Horizontal Slider is undoubtedly the most used type of secondary glazing. Its uses are widespread and can be applied to the domestic home through to historic buildings. Horizontal Sliders blend unobtrusively with most types of existing windows. They are generally in two, three or four panelled versions. Highly effective sealing qualities are combined with easy opening action. The security issue is further enhanced with the use of catches and locks that can only be opened from the inside.

The Horizontal Slider is undoubtedly the most used type of secondary glazing. Its uses are widespread and can be applied to the domestic home through to historic buildings.

Horizontal Sliders blend unobtrusively with most types of existing windows. They are generally in two, three or four panelled versions.

Highly effective sealing qualities are combined with easy opening action. The security issue is further enhanced with the use of catches and locks that can only be opened from the inside.


Vertical sliding units are ideal for traditional sash windows and are particularly suited to the refurbishment or upgrade of listed buildings.The sliding sashes are attached to spring balances and are easily opened to any position.

Vertical sliding units are ideal for traditional sash windows and are particularly suited to the refurbishment or upgrade of listed buildings.The sliding sashes are attached to spring balances and are easily opened to any position.