General Features & Benefits

- Comes with a sash lock as standard in a range of colours.
- Available with traditional style boxed mullions.
- Modern profile timber combines traditional and contemporary lines.
- Sizes available up to 1200mm wide x 2400mm high.
- Optional flywire screen available.
- Optional decorative horns. 

The Double Hung window is effectively a vertical sliding window and has been used in homes since the 19th century. Historically the most common has been the “weights and cords” Double Hung window, which used a set of counter weights hidden in the frame to offset the weight of the sash.

The Southern Star Counter Balance Double Hung window offers a combination of the look of the weights and cords as well as a modern Counter Balance sash system. Modern technology with the essence of tradition in the one package.

The heart of this new Southern Star Double Hung system is the Counter Balance mechanism, which utilises the weight of one sash to counter the weight of the other. By sliding up the inner sash, the outer sash moves in the opposite direction. The Counter Balance Double Hung system negates the need for containers to hold the counter weights (called box mullions). This allows the maximum amount of glass in the frame, therefore more light.

The Counter Balance Double Hung window provides all the advantages of weights and cords without any of the disadvantages. As with most Southern Star windows, our Counter Balance Double Hung windows can be fitted with standard, toughened or laminated glass and can even be glazed for low noise or double glazed for superior energy efficiency.