VELUX New generation 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. VELUX Vertical elements Combine vertical and sloping lacquered natural pine roof windows to extend the possibilities for view and daylight. Ideal for storey and a half houses. Avaliable in single, twin and triple combinations each with an 18mm gap.Select your pine window roof window(s) in size MK04, MK06 or MK08 and then combine them with an MK31 or MK35 vertical element.Please note, vertical elements are bottom hung and open inwards for added ventilation and clearing.Finally select an the appropriate flashing system for your roof window size, combination and roof covering.Please note, VELUX recommend the use of an EBY trimmer for added support and a harmonious internal finish if using a twin or triple combination. White polyurethane finish - GGU Perfect for contemporary interiors and white ceilings. Ideal for humid rooms such as kitchens and bathrooms as the polyurethane mould has no visible joins which therefore ensures a moisture resistant finish. Requires less maintenance than lacquered natural pine which makes it ideal for out of reach areas. High quality moulded polyurethane with insulated timber core. - - 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 windows and flashings. Suitable for roof pitches between 15 and 55°. BBA certified. Please note, this is a fixed window element (non-opening).