To supply & deliver, EG R17a, em.glaze flat glass rooflight, clear double glazed glass to suit external curb size 1100 x 1600mm. To comprise of: 6mm toughened outer pane, 16mm argon filled cavity with warm edge spacer bar, 8.8mm 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 1 Non-Fragile. To fit to waterproofed upstand set on site to a minimum 5 degree pitch.