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Cox ridgelight provides natural light for school | 19 Jul 2005 |
A BASINGSTOKE junior school has unveiled a new look – thanks to a unique modular roof glazing ridgelight from Cox Building Products.
Hatch Warren Junior School had an existing rooflight which stretched from one end of the building to the other.
However, a large extension almost a quarter of the size of the original school building was required for extra classrooms meaning that the entire rooflight had to be replaced.
As the school is an unusual ‘s’ shape in design, the new rooflight also had to follow this line. The result is a striking 90 metre modular roof glazing ridgelight that runs along almost the entire length of the existing and new complex.
Hampshire County Council approached Winchester-based architects Alexander Design to design the new extension and rooflight.
The existing rooflight had begun to leak in several places and was disrupting the day-to-day activity of the school.
Cox Building Products was chosen to produce the new rooflight due to the flexibility of its solution and Claydon Aluminium was chosen as the installer due to its vast experience with glass products.
As well as the strength of the rooflight construction itself, one of the requirements of the county council was that the panes of glass should be easy to replace if they were damaged.
The Cox solution enabled the school to do this through a kerb and cup design. As a result it was chosen over and above several competitors.
Cox Building Products produced a bespoke double-skin, aluminium-framed ridgelight unit with a 45-degree pitch and toughened 9mm glass for extra safety.
A simplified extruded kerb detail eliminated the need for complicated pressed aluminium flashings and allowed quick and easy installation. This reduced the amount of time spent on-site and will enable speedy replacement of individual panes.
An additional requirement of the council was to have a maximum number of standardised parts.
Therefore, the unusual 45-degree pitch was achieved by using standard kerb adaptors on standard 30-degree angle extrusions.
Made up of several sections, the ridgelight is also fitted with 38 electronic opening bays for ventilation, which are controlled from a central electric control box.
Many of the bays had to be made up on site due to the unique design of the ridgelight and the different shapes of the glass.
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