By using Kalwall, the schools enjoy many benefits which traditional glazing, particularly glass, does not provide. The evenly distributed diffused daylight means that solar gain is controlled and that shadows and glare are all eliminated, as are shading devices, curtains and blinds. Importantly, running costs at the schools are reduced because of the system’s highly insulating performance which means less energy is required for artificial lighting, heating and air-conditioning. The translucent roofs also reduced costs, because their lower weight eliminated the need for expensive secondary support, and less maintenance is required because, unlike traditional glass rooflights, natural dirt and rain streaks cannot be seen.
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