Secondary Glazing

Lift Out Type

The Product: This is the most cost effective type of secondary glazing. It’s most often used where limited access to the primary window is required, for example a window which has been installed just to provide more light to a room.

How it works: As its name implies, it simply lifts out of a protected channel. It is advised that the sash size be well thought-out, as the weight of the glass must be manageable.

Lift Out Type Window

Hinged Type

The Product: The hinged unit provides an unobtrusive secondary glazing system, since there are no glazing bars to spoil the view.

How it works: The single hinged unit opens on a restricting friction stay, whilst the double hinged unit is fitted with butt hinges and has been mainly designed to fit in front of larger windows or French doors.

Hinged Type Window

Horizontal Slider Type

The Product: This is the most frequently used type of secondary glazing, as it’s suitable for commercial properties, historic buildings and all kinds of domestic dwellings.

How it works: Available in 2, 3 or 4 panelled versions, brass rollers are fitted for the smoothest sliding. Twin brush seals provide excellent sealing, and security is enhanced by the use of the latest locks and handles.

Vertical Slider Type

The Product: This most complex type of secondary glazing is applied generally to older properties. It is particularly suited to the refurbishment and upgrade of the nation’s architectural heritage.

How it works:
 Spring balances control the motion of the sash, enabling infinite vertical positioning. This design can withstand decades of wear and tear. Tilt-in versions can be pivoted through almost 180 degrees, to aid cleaning and help provide easy fire escape.

Enhancing Homes

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