Due to the characteristics of the existing primary window, the Balanced Vertical Slider is the most complex type of secondary glazing system. It is applied generally to older properties. It is particularly suited to the refurbishment and upgrade of the nation’s architectural heritage.

The individually pre-tensioned spiral spring balances control the motion of the sash, enabling infinite vertical positioning.

This design provides ease of movement and has been specially developed to withstand decades of wear and tear.

Tilt in versions can be pivoted through almost 180 degrees. This is especially useful for cleaning but just as importantly can be crucial when considering fire escape requirements.

All variations of Granada’s exclusive secondary glazing styles are completely compatible. Each type can be easily used with another no matter what the application may be.

The Horizontal Slider is undoubtedly the most frequently used type of secondary glazing. Its uses are therefore widespread, being applied to high rise or low-level commercial properties, historic buildings as well as all kinds of domestic dwellings. The Granada system provides sensitive solutions to the problems created by noise and sound pollution

Generally available in two, three or four panelled versions, the sashes are fitted with brass rollers, ensuring the smoothest sliding action. Twin brush seals provide excellent high sealing efficiency. This has been scientifically proven to eliminate draughts, increase thermal insulation and give greater improvements to the security of the primary windows. The security issue is further enhanced with the use of the latest locks and handles.

Generally available in two, three or four panelled versions, the sashes are fitted with brass rollers, ensuring the smoothest sliding action. Twin brush seals provide excellent high sealing efficiency. This has been scientifically proven to eliminate draughts, increase thermal insulation and give greater improvements to the security of the primary windows. The security issue is further enhanced with the use of the latest locks and handles.

A robust system with a broad range of glazing capabilities, the can be hung on either butt hinges or concealed stays and is secured by use of a multi point locking system actuated by a single handle anti-ligature detail and gear box.

The ability to utilise Tilt and Turn gearing also increases the flexibility of use, giving high level ventilation and a secure night vent position, whilst retaining easy access to the primary glazing for cleaning and general maintenance.