Mardome Trade double skin fixed rooflights are a dome and kerb combination with an insulated PVC upstand. As the standard specification dome, Mardome Trade is fitted out with Marlon FSX Longlife polycarbonate double skin to offer higher levels of insulation from your window. This particular Mardome rooflight comes in double skin clear, allowing for great views and a clear, clean window. Fixed rooflights allow you to let light into your home in areas where a window would not be appropriate.Up to 98% UV protection for the occupants inside your building and your furniture is offered by Mardome Trade double skin fixed rooflights. The double skin also provides u-values as low as 2.7 W/mK from the centre of the pane.Mardome Trade fixed rooflights combine a stylish white finish with a multi-wall kerb to offer a clean look that will help to insulate your home. Attractive from the inside and the outside, you wont need timber fillets thanks to their specially designed kerb and a membrane clamp will help you install these rooflights even faster.Clear glazingClarity of vision of views and objects through the dome.Lighting effect: high visibility.Light transmission: 85%.Polycarbonate: double skin.Tint: clear.Suitable for a structural opening size of 1200mm x 1800mm.