VELUX centre pivot roof window with laminated glass, model GGL CK04 2070 in a 55cm x 98cm size. This is a white painted double glazed window with laminated glazing and has a uValue of 1.3. New generation VELUX features More daylight: up to 18% larger pane area. Slim profile: slim profiles and larger pane means more glass and less frame. Thermo technology: innovative use of high performance insulation material. More comfort: a more modern and attractive design with excellent ventilation and operation control. Control bar: new design of the control bar with functionality icons. Exterior design: improved exterior finish with a softer and more discrete expression. Click-on covers: fewer screws with the new click-on covers. Top cover: slimmer top cover. Lacquered natural pine finish painted white - VELUX GGL Pine core painted white. Excellent value for money and easy to install. Made from High quality natural pine. Protective triple coat clear lacquer helps to preserve the timber of the window. Easy to use top control bar for opening and even ventilation purposes when the window is closed. Rotates 180 for easy cleaning. - - 70 laminated glazing 6.4mm laminated inner pane offers additional safety. Offers improved noise reduction compared to - -34 and - -59 glazing. 4mm toughened outer pane with low-E coating. Properties 10 year guarantee on VELUX roof windows and flashings. Suitable for roof pitches between 15 and 90. BBA certified.