Suitable for use as a floorlight or rooflight.Circular lenses provide further choices to enhance any project. Designed for clear spans up to 1750mm when installed as a floorlight for pedestrian loadings of 5KN/M². Contains 200mm diameter glass lenses set into concrete ribs which are spaced at 254mm centres with an overall panel thickness of 100mm. Weight – 165kg/m². In the interest of safety we recommend that when used as a floorlight, the glass lenses are sandblasted to increase slip resistance.