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Addlite Glazed Rooflight for Flat Roofs


Addlite Flat Glass Rooflight for flat roof are manufactured to a high standard with a double glazed unit, aluminium frame and a 160mm PVC Upstand. The thermally broken upstand ensures a strong thermal performance and resilience to condensation formation. While the powder coated aluminium frame provides an unrivalled aesthetic and finish.

Glazed rooflights are leading the way in terms of quality and price. These flat roof glazed rooflights are available in 9 sizes up to 1500 x 1500mm in stock.

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The Addlite Coxdome flat glass rooflight range allows you to enjoy pure and natural daylight with clear panoramic views. The skylight has a clean modern design that looks great on the roof scope and the toughened outer glass pane has a ceramic edge coating giving you a stylish finish.

The range comes complete a 160mm high vertical insulated PVC upstand made to suit your new or existing roof opening.

The slim aluminium frame has an internal thermal break which makes the rooflight energy efficient whilst also reducing the risk of condensation. The skylight comes complete with concealed fixing screws installed beneath the flush cover.

NOTE: Structural opening for this rooflight is the size of the rooflight. i.e 600x600mm rooflight = structural opening of 600x600mm


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  • UV & Impact Resistant Reinforced Frames
  • Hail Resistant
  • Installation angle 0-7°
  • Toughened outer glass pane
  • Ceramic edge coating
  • Excellent Insulation Values
  • Internal thermal break


  • High Security Fixings as standard
  • 160mm PVC Upstand U-value 1.8 W/m²K
  • 1B1 Injury Safety according to EN 12600
  • Sound reduction 35dB
  • CE Marking according to EN 1873


  • 750 x 750mm (Daylight Size 600 x 600mm)
  • 900 x 900mm (Daylight Size 750 x 750mm)
  • 900 x 1200mm (Daylight Size 750 x 1050mm)
  • 1000 x 1000mm (Daylight Size 850 x 850mm)
  • 1000 x 1500mm (Daylight Size 850 x 1350mm)
  • 1000 x 1800mm (Daylight Size 850 x 1650mm)
  • 1000 x 2000mm (Daylight Size 850 x 1850mm)
  • 1200 x 1200mm (Daylight Size 1050 x 1050mm)
  • 1500 x 1500mm (Daylight Size 1350 x 1350mm)
  • Specification

    External kerb size [mm]Glass assemblyStockDaylightsize RO16 upstand [mm]Daylightsize Builders upstand [mm]
    750 x 7506T-15-3.3.2Y600 x 600650 x 650
    900 x 9006T-15-3.3.2Y750 x 750800 x 800
    900 x 12008T-15-3.3.2Y750 x 1050800 x 1100
    1000 x 10006T-15-4.4.2Y850 x 850900 x 900
    1000 x 15008T-15-3.3.2Y850 x 1350900 x 1400
    1000 x 18008T-15-3.3.2Y850 x 1650900 x 1700
    1000 x 20008T-15-4.4.2Y850 x 1850900 x 1900
    1200 x 12008T-15-3.3.2Y1050 x 10501100 x 1100
    1500 x 150010T-15-4.4.2Y1350 x 13501400 x 1400


    Additional information


    750 x 750, 900 x 900, 900 x 1200, 1000 x 1000, 1000 x 1500, 1200 x 1200, 1000 x 1800, 1000 x 2000, 1500 x 1500


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