This is a white polyurethane coated double glazed centre pivot new generation smoke ventilation system with laminated glazing and has a uValue of 1.4. This system comes complete with an EDL flashing kit for slates up to 8mm thick. For more information on the window's smoke ventilation area, please contact our sales team on (01752) 692 760. Smoke ventilation system Single electrically operated GGU white polyurethane coated roof window with a toughened outer pane, clear and clean coating and a laminated inner pane for additional safety. 1x smoke sensor. 1x break glass point. 1x wall control unit. 1x slate flashing kit. 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. 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. Clear and clean coating to keep windows clean for longer. Properties For geometric smoke ventilation our systems are tested and certified to EN ISO 12101-2 for roof pitches between 15 and 90.  10 year guarantee on windows and flashings. 3 year guarantee on all electrical products and accessories. Suitable for roof pitches between 15 and 90. External wind deflector  This system can be upgraded to comply with aerodynamic smoke ventilation requirements by the inclusion of the optional KFD external wind deflector. For aerodynamic smoke ventilation our systems are tested and certified to EN ISO 12101-2 for roof pitches between 15 and 60.