Home > Companies > VELUX Company Ltd > GGL manually operated, centre-pivot roof window, with GIL sloping fixed window below

Manually operated, centre pivot roof window with additional lower fixed element on roof pitches between 15–90°.

The fixed window is installed directly below the roof window.

Ventilation, exterior maintenance and cleaning is all via the roof window.

Features:

  • Convenient operation – even with furniture placed beneath the window.
  • Easy to open and quick to close with the top control bar.
  • Additional fixed element beneath offers a great view while standing and when seated.

Operation:

  • One pull of top control bar allows background ventilation whilst the window remains securely closed. One further pull opens the window.
  • Rotates 180° and locks in place for ease of cleaning of the outer pane.

Warranty:

  • Ten-year guarantee for windows and panes.
  • Three-year guarantee for electrical items and blinds.

Options

Glazing:

- Code 60:

  • Thermal performance (U-value): 1.3 W/m²K.
  • Sound insulation (Rw): 37 dB.
  • Light Transmittance (Tv): 0.62.
  • Total solar energy transmittance (g): 0.30.

- Code 66:

  • Thermal performance (U-value): 1.0 W/m²K.
  • Sound insulation (Rw): 37 dB.
  • Light Transmittance (Tv): 0.71.
  • Total solar energy transmittance (g): 0.52.

- Code 70:

  • Thermal performance (U-value): 1.3 W/m²K.
  • Sound insulation (Rw): 35 dB.
  • Light Transmittance (Tv): 0.68.
  • Total solar energy transmittance (g): 0.46.

Configuration:

Roof window and lower fixed window must be the same width.

Flashing:

Flashings are available in materials and finishes to match roof window cladding.

  • Code EDL + ETL: For standard installation into slate and flat roofing materials up to 8 mm thick. Not suitable for interlocking slate; Roof pitches from 15–90°.
  • Code EDW + ETW: For standard installation into flat and profiled roofing materials up to 120 mm thick, including profiled sheeting and interlocking slates. Roof pitches from 15–90°.
  • Code EDN + ETN: For recessed installation into slate and flat roofing materials up to 8 mm thick. Not suitable for interlocking slate; Roof pitches from 15–90°.
  • Code EDJ + ETJ: For recessed installation into flat and profiled roof materials up to 90 mm thick, including profiled sheeting and interlocking slates; Roof pitches from 20–90°.
  • Code ZWC: Window profile set to be used in conjunction with on-site weathering for non-standard roofing materials. For further details please contact VELUX.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-25-99/390 Wood frame roof window units

NBS Specification

NBS Buliding logo
This product is associated with the following NBS clauses:

Product specification

An important note about specifying

Manufacturer

Name:

VELUX Company Ltd

Tel:

+44 (0)1592 778225

Product reference

GGL manually operated, centre-pivot roof window, with GIL sloping fixed windows below

Roof pitch

[ ______ ]

Windows

 - Roof window code:
[GGL MK04]
-
Standard size 780 mm wide x 978 mm high; effective daylight area 0.47 m².
[GGL MK06]
-
Standard size 780 mm wide x 1178 mm high; effective daylight area 0.59 m².
[GGL MK08]
-
Standard size 780 mm wide x 1398 mm high; effective daylight area 0.72 m².
[GGL PK08]
-
Standard size 942 mm wide x 1398 mm high; effective daylight area 0.92 m².
[GGL PK10]
-
Standard size 942 mm wide x 1600 mm high; effective daylight area 1.07 m².
[GGL SK06]
-
Standard size 1140 mm wide x 1178 mm high; effective daylight area 0.95 m².
[GGL UK04]
-
Standard size 1340 mm wide x 978 mm high; effective daylight area 0.91 m².
[GGL UK08]
-
Standard size 1340 mm wide x 1398 mm high; effective daylight area 1.40 m².
[GGL MK10]
-
Non-standard size 780 mm wide x 1600 mm high; effective daylight area 0.84 m².
[GGL MK12]
-
Non-standard size 780 mm wide x 1800 mm high; effective daylight area 0.96 m².
[GGL PK25]
-
Non-standard size 942 mm wide x 550 mm high; effective daylight area 0.27 m².
[GGL PK04]
-
Non-standard size 942 mm wide x 978 mm high; effective daylight area 0.60 m².
[GGL PK06]
-
Non-standard size 942 mm wide x 1178 mm high; effective daylight area 0.75 m².
[GGL SK01]
-
Non-standard size 1140 mm wide x 698 mm high; effective daylight area 0.48 m².
[GGL SK08]
-
Non-standard size 1140 mm wide x 1398 mm high; effective daylight area 1.16 m².
[GGL SK10]
-
Non-standard size 1140 mm wide x 1600 mm high; effective daylight area 1.35 m².
[GGL UK10]
-
Non-standard size 1340 mm wide x 1600 mm high; effective daylight area 1.63 m².
 
 - Fixed lower window code:
[GIL MK34]
-
Standard size 780 mm wide x 920 mm high; effective daylight area 0.44 m².
[GIL PK34]
-
Standard size 942 mm wide x 920 mm high; effective daylight area 0.56 m².
[GIL SK34]
-
Non-standard size 1140 mm wide x 920 mm high; effective daylight area 0.70 m².
[GIL UK34]
-
Non-standard size 1340 mm wide x 920 mm high; effective daylight area 0.85 m².
 

Finish

 - Internal frame and sash:
[White Painted – Code 2]
[Lacquered Natural Pine – Code 3]
 
 - External cladding:
[Grey aluminium; colour reference NCS S-7500-N - Code 0]
[Untreated copper – Code 1]
[Titanium zinc – Code 3]
[Painted aluminium – Code 8, colour]
-
Insert RAL or NCS colour reference.
 

Glazing

[60]
-
6.8 mm laminated inner pane with low-e coating; 15 mm Argon filled cavity; 6 mm toughened outer pane with easy to clean and low-e coatings.
[66]
-
6.8 mm laminated inner pane with low-e coating; 12 mm Krypton filled cavity; 3 mm heat strengthened mid pane with low-e coating; 12 mm Krypton filled cavity; 4 mm toughened outer pane with easy to clean and anti-dew coatings.
[70]
-
6.8 mm laminated inner pane with low-e coating; 15 mm Argon filled cavity; 4 mm toughened outer pane.

Blind

 - Upper roof window:
[Blackout blind – Code DKL]
[Blackout energy blind – Code FHC]
[Duo blackout blind – Code DFD]
[Flying pleated blind – Code FHL]
[Roller blind – Code RFL]
[Roman blind – Code FHB]
[Solar powered blackout blind – Code DSL]
[Solar powered blackout energy blind – Code FSC]
[Solar powered pleated blind – Code FSL]
[Solar powered roller blind – Code RSL]
[Venetian blind – Code PAL]
 

   Colour:

[Not applicable]
[As schedule ___]
-
Refer to VELUX Blinds and Shutters brochure for available colours and patterns.
 
 - Lower fixed window:
[Not required]
[Blackout blind – Code DKL]
[Blackout energy blind – Code FHC]
[Duo blackout blind – Code DFD]
[Flying pleated blind – Code FHL]
[Roller blind – Code RFL]
[Roman blind – Code FHB]
[Solar powered blackout blind – Code DSL]
[Solar powered blackout energy blind – Code FSC]
[Solar powered pleated blind – Code FSL]
[Solar powered roller blind – Code RSL]
[Venetian blind – Code PAL]
 

   Colour:

[Not applicable]
[As schedule ___]
-
Refer to VELUX Blinds and Shutters brochure for available colours and patterns.
 

   Manual operation:

[Not required]
[Control rod and adaptor, Codes ZCT 200K and ZOZ 085]
 

Energy efficient installation

[Insulation Collar – Code BDX 2000]
-
Not compatible with E*N and E*J flashings. Includes BFX.
[Underfelt Collar – Code BFX 1000]
[Vapour Barrier Collar – Code BBX 0000]

Flashing

[EDL + ETL]
-
For standard installation into slate up to 8 mm thick; root pitch 15–90°
[EDW + ETW]
-
For standard installation into tiles up to 120 mm in profile; roof pitch 15–90°. Also for interlocking slate, thatch and profile sheeting.
[EDN + ETN]
-
For recessed installation into slate up to 8 mm thick; root pitch 20–90°.
[EDJ + ETJ]
-
For recessed installation into tile up to 120 mm thick; root pitch 20–90°.
[ZWC]
-
For standard installation where an on-site flashing is required; roof pitch 15–90°.

Accessories

[None]
[Opening restrictor lock with key – Codes ZOZ 010KC S011]
-
For upper roof window only.
[Window lock – Code ZOZ 012K1]
-
For upper roof window only.

Manufacturer details

Woodside Way,
Glenrothes,
Fife, KY7 4ND
Tel +44 (0)1592 778225
Fax +44 (0)1592 776980
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