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NOVEMBER 07 - IN THE LINE OF LIGHT!



A new way to discreetly increase natural daylight in dark rooms and passages is being introduced by Glidevale Ltd.

The company, manufacturer of the Sunscoop domed tubular rooflight, has developed an ‘in-plane’ version suitable for its 250, 350 and 530mm diameter systems. Fitting virtually flush to the roof, Sunscoop In-Line® is therefore unobtrusive once installed, providing a discreet and aesthetically pleasing way of naturally lighting the building. The roof-mounted glazing “catches” natural light, reflecting it in down silvered tubes ducted through the roofspace and ceilings, into the room below. Research undertaken by Silsoe Research Institute shows a single 250mm diameter Sunscoop with 2.5m tubing gives more than four times the amount of light of a single 60W bulb on a bright day with direct sunlight, without any of the energy consumption or heat generation, effectively creating a light source inside without any requirement for electrical wiring and connections.

For conservation areas, or older properties, Glidevale has purpose-designed a Traditional version of Sunscoop In-Line®, which includes a central glazing bar reminiscent of Victorian cast iron attic rooflights.

Both versions are manufactured using a powder coated aluminium frame with impact resistant, self-cleaning polycarbonate glazing. The ABS baseplate is specially treated with a UV-stable polymeric resin to prevent discolouration over time. Sunscoop In-Line® is available in a range of standard colours carefully selected to ensure minimal visual impact against the roof covering; and can be colour-matched to specific requirements.

The Universal styling of Sunscoop In-Line® means no additional flashing kit is required.

Glidevale’s Sunscoop roof flashings and polycarbonate glazing are fire rated, enabling use without restriction on number and proximity of adjacent property.

Optional extras include a Skyview diffuser to optimize the internal spread of light within the room or corridor, and a light and sun deflector (LSD) which increases direct light transmission by up to 20%. Also available are light attenuating dampers to provide control over the light entering the room, integral light fittings that use a low energy lamp to provide night-time illumination if required, and a fire protection collar.

To help determine the most appropriate combination for each project, Glidevale has a special, free to use ‘Sunscoop calculator tool’ on the website. Glidevale is part of the Building Product Design Group, and specializes in developing innovative yet practical roofing and ventilation products designed to meet changing requirements.

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