To supply & deliver, EG R30a, em.glaze flat rooflight, clear double glazed glass to suit external curb size 1600 x 3100mm. To comprise of: 8mm toughened outer pane, 14mm argon filled cavity with warm edge spacer bar, 11.5mm laminated Low E inner pane. Border to underside of perimeter to cover upstand detail and welded 4mm extruded, thermally broken aluminium glazing frame. Sill section and fixing frame all polyester powder coated to RAL7016 Anthracite Grey. Rooflight tested to CWCT TN66 & TN67 to Class 2 Non-Fragile. To fit to waterproofed upstand set on site to a minimum 5 degree pitch.