Publish your products
Top Operated Pinewood roof window Centre-pivot - GGL
Top Operated Pinewood roof window Centre-pivot - GGL
Top Operated Pinewood roof window Centre-pivot - GGL
Top Operated Pinewood roof window Centre-pivot - GGL
Top Operated Pinewood roof window Centre-pivot - GGL
Top Operated Pinewood roof window Centre-pivot - GGL
Top Operated Pinewood roof window Centre-pivot - GGL
Top Operated Pinewood roof window Centre-pivot - GGL
Top Operated Pinewood roof window Centre-pivot - GGL
Top Operated Pinewood roof window Centre-pivot - GGL

    Top Operated Pinewood roof window Centre-pivot - GGL

    3.9 out of 5 stars3.9(44 reviews)

    GGL is a manually operated centre pivot roof window that can be installed on roof pitches from 15-90°. Operation is via a control bar along the top of the sash. The sash can be parked in any position up to the horizontal, however the sash can also be fully rotated to allow for ease of cleaning of the outer pane. Roof window GGL is centre-pivoted and operated with a full-width control bar on the ventilation flap of the top sash. The ventilation flap allows fresh air to enter the room through a dust and insect filter.

    Frame and sash made of laminated pine wood and ventilation flap made of pine wood are all finished with triple coat. The exterior of the frame and sash is metal-clad and therefore maintenance-free.

    The window is equipped with an insulating glass unit.

    The original VELUX top-operated, centre-pivot roof window GGL is easy to operate and gives you the freedom to place furniture underneath. The innovative top control bar allows you to install the window at a lower position to get an excellent view while standing and even when seated.



    Window
    Sizes:
    External frame
    W x H mm:
    Effective daylight
    areas: m²
    Geometric free
    area: m²
    BK04 472 x 978     0.23     0.28
    CK01 550 x 698     0.19     0.23
    CK02 550 x 778     0.22     0.26
    CK04 550 x 978     0.29     0.34
    CK06 550 x 1178     0.37     0.43
    FK04 660 x 978     0.38     0.43
    FK06 660 x 1178     0.47     0.54
    FK08 660 x 1398     0.58     0.66
    MK27 780 x 624     0.26     0.30
    MK04 780 x 978     0.47     0.53
    MK06 780 x 1178     0.59     0.66
    MK08 780 x 1398     0.72     0.81
    MK10 780 x 1600     0.85     0.94
    MK12 780 x 1800     0.97     1.07
    PK25 942 x 550     0.27     0.31
    PK04 942 x 978     0.60     0.66
    PK06 942 x 1178     0.75     0.83
    PK08 942 x 1398     0.92     1.01
    PK10 942 x 1600     1.07     1.17
    SK01 1140 x 698     0.48     0.54
    SK06 1140 x 1178     0.95     1.03
    SK08 1140 x 1398     1.16     1.25
    SK10 1140 x 1600     1.35     1.46
    UK04 1340 x 978     0.91     0.98
    UK08 1340 x 1398     1.40     1.54
    UK10 1340 x 1600     1.63     1.80



           
    VELUX roofwindows roofwindow roof windows roof window skylight skylights top operated

    Specification
    • Background Ventilation (via Ventilation Flap based on double glazed windows):

      Ventilation
      Capacity :
      at
      4Pa : 
      at
      8Pa :
      at
      10Pa :
      at
      20Pa :
      BK04 3.3 l/s 4.8 l/s 5.4 l/s 7.8 l/s
      CK01 4.0 l/s 5.7 l/s 6.4 l/s 9.3 l/s
      CK02 4.0 l/s 5.7 l/s 6.4 l/s 9.3 l/s
      CK04 4.0 l/s 5.7 l/s 6.4 l/s 9.3 l/s
      CK06 4.0 l/s 5.7 l/s 6.4 l/s 9.3 l/s
      FK04 4.8 l/s 6.9 l/s 7.8 l/s 11.3 l/s
      FK06 4.8 l/s 6.9 l/s 7.8 l/s 11.3 l/s
      FK08 4.8 l/s 6.9 l/s 7.8 l/s 11.3 l/s
      MK27 5.8 l/s 8.4 l/s 9.5 l/s 13.7 l/s
      MK04 5.8 l/s 8.4 l/s 9.5 l/s 13.7 l/s
      MK06 5.8 l/s 8.4 l/s 9.5 l/s 13.7 l/s
      MK08 5.8 l/s 8.4 l/s 9.5 l/s 13.7 l/s
      MK10 5.8 l/s 8.4 l/s 9.5 l/s 13.7 l/s
      MK12 5.8 l/s 8.4 l/s 9.5 l/s 13.7 l/s
      PK25 7.1 l/s 10.2 l/s 11.5 l/s 16.6 l/s
      PK04 7.1 l/s 10.2 l/s 11.5 l/s 16.6 l/s
      PK06 7.1 l/s 10.2 l/s 11.5 l/s 16.6 l/s
      PK08 7.1 l/s 10.2 l/s 11.5 l/s 16.6 l/s
      PK10 7.1 l/s 10.2 l/s 11.5 l/s 16.6 l/s
      SK01 8.5 l/s 12.3 l/s 13.9 l/s 20.1 l/s
      SK06 8.5 l/s 12.3 l/s 13.9 l/s 20.1 l/s
      SK08 8.5 l/s 12.3 l/s 13.9 l/s 20.1 l/s
      SK10 8.5 l/s 12.3 l/s 13.9 l/s 20.1 l/s
      UK04 10.0 l/s 14.5 l/s 16.3 l/s 23.5 l/s
      UK08 10.0 l/s 14.5 l/s 16.3 l/s 23.5 l/s
      UK10 10.0 l/s 14.5 l/s 16.3 l/s 23.5 l/s



      Ventilation
      :
      Equivalent 
      Area : mm²

      Geometrical 
      Free Area : mm²
      BK**2200
      1900
      CK**
      2600
      2800
      FK**
      3100
      3700
      MK**
      3700
      4500
      PK**
      4600
      6100
      SK**
      5600
      7200
      UK**
      6600
      10600




      Finishes:
      Internal - Laminated pinewood coated with impregnation.
      White Paint (NCS standard colour: S 0500-N, nearest RAL standard colour: 9003).
      Clear Lacquer.

      External – Maintenance-free cover parts. 
      Lacquered Aluminium (NCS standard colour: S 7500-N, nearest RAL standard colour 7043).
      Untreated Copper.
      Titanium Zinc. 

    Technical specification
    • Unique ref.GGL
    • Product familyCenter Pivot
    • Product groupTop operated
    • TypeObject (single object)
    • Date of publishing2020-05-25
    • Edition number4
    Related
    • Material mainPine
    • Material secondaryGlass
    • Designed inDenmark
    Classification
    • BIMobject CategoryWindows - Roof Window
    • IFC classificationWindow
    • UNSPSC nameRoofing accessories
    • UNSPSC code301516
    • Uniclass 2015 CodeSs_30_30_72_73
    • Uniclass 2015 DescriptionRoof window systems
    • CSI MasterFormat 2014 Code08 61 00
    • CSI MasterFormat 2014 TitleRoof Windows
    • OmniClass Number23-17 13 23
    • OmniClass TitleRoof Windows
    • CSI UniFormat II CodeB3020
    • CSI UniFormat II TitleRoof Openings

    Region availability

    South America Europe Oceania North America Asia
    Argentina
    Austria
    Australia
    Canada
    China
    Chile
    Belarus
    New Zealand
    United States
    Japan
    Belgium
    Türkiye
    Bosnia and Herzegovina
    Bulgaria
    Croatia
    Czech Republic
    Denmark
    Estonia
    Finland
    France
    Germany
    Hungary
    Italy
    Latvia
    Lithuania
    Netherlands
    Norway
    Poland
    Portugal
    Romania
    Russia
    Serbia
    Slovakia
    Slovenia
    Spain
    Sweden
    Switzerland
    Ukraine
    United Kingdom