In 2004 we supplied and installed our proprietary self supporting Hipped Skylight to a structural curb 8100mm x 3800mm, in 5 panes wide x 11 panes long, pitched at 30° ; formed in our thermally broken Skyline Box type aluminium glazing bars with caps; extruded aluminium ridge, hip and cill members, complete with fully insulated aluminium flashings to ridge hip and cill positions. The skylight has 6no. low profile aluminium framed electrically operated top hung opening vents for day to day ventilation.