This is a white polyurethane triple glazed electric window with a laminated inner and a toughened outer pane, this window has a uValue of 1.0. Features & Benefits 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. Top hung roof windows GPU top hung windows open to any position up to 45°. Opens outwards for an unobstructed view and feeling of extra space. Rotates 180° for easy cleaning from the inside. These windows are intended for higher roof pitches. VELUX INTEGRA roof windows Built in rain sensor closes the window automatically in the event of rain. Provides useful remote opening which is ideal for hard-to-reach windows. Easy to order and install, just plug into a power supply. Battery back-up available. Please note, you can access all these features and more with the VELUX ACTIVE range. White polyurethane finish - GPU 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. 66 triple glazing Triple glazed. Laminated inner pane. Toughened outer pane. Anti-dew and easy to clean coating to keep windows clean for longer. Properties 10-year guarantee on windows and flashings BBA certified