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GGL Centre-pivot Roof Window

GGL Centre-pivot Roof Window

Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

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  • QA Certificate

    QA Certificate

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  • BSI Kitemark

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VELUX Company Ltd

GGL Manually operated centre-pivot timber roof window. Suitable for roof pitches from 15-90°.

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+44 (0)1592 778225 www.velux.co.uk
Application

For roof pitches between 15–90°.

Description

Manually operated, centre pivot roof window for roof pitches between 15-90°.

Features:

  • Convenient operation – even with furniture placed beneath the window.
  • Easy to open and quick to close with the top control bar.
  • Low installation allows for more flexibility and better views.

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.

Glazing:

- Code 68:

  • Thermal performance (U-value): 1.1 W/m²K.
  • Sound insulation (Rw): 35 dB.
  • Light Transmittance (Tv): 0.71.
  • Total solar energy transmittance (g): 0.52.

- Code 62:

  • Thermal performance (U-value): 0.92 W/m²K.
  • Sound insulation (Rw): 42 dB.
  • Light Transmittance (Tv): 0.73.
  • Total solar energy transmittance (g): 0.52.

- 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.

- Code 70Q:

  • Thermal performance (U-value): 1.4 W/m²K.
  • Sound insulation (Rw): 35 dB.
  • Light Transmittance (Tv): 0.81.
  • Total solar energy transmittance (g): 0.63.

Energy efficiency installation collars:

  • Insulation collar – Code BDX: Optimizes the insulation around the roof window frame by reducing heat loss and eliminating cold bridges. BDX 2000 variant Includes underfelt collar BFX.
  • Underfelt collar – Code BFX: Ensures a weathertight seal between the roof window and the roof.
  • Vapour barrier collar – Code BBX: Provides vapour control and air permeability seal.

Flashing:

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

  • Code EDL: For standard installation into slate and flat roofing materials up to 8 mm thick. Not suitable for interlocking slate.
  • Code EDN: For recessed installation into slate and flat roofing materials up to 8 mm thick. Not suitable for interlocking slate.
  • Code EDW: For standard installation into flat and profiled roofing materials up to 120 mm thick, including profiled sheeting and interlocking slates.
  • Code EDJ: For recessed installation into flat and profiled roofing materials up to 90 mm thick, including profiled sheeting and interlocking slates.
  • Code EDP: For standard installation into plain tiles up to 14 mm thick.
  • 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.

Warranty:

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

Application:

For roof pitches between 15–90°.

General information

Color

white paint color NCS 0500-N

Features

Pivot hung roof window

Material

Wood

Size

470 x 980 mm

Uniclass 2015

Pr_30_59_98_97 Wood frame roof window unitsPrimary

CAWS

L10/480 Roof windows

L10/50 Roof windows

Specification data - Wood frame roof window units

Product Reference

GGL manually operated, centre-pivot roof window

Product performance

-

Whole window U-value

0.86 W/m²K - 1.3 W/m²K depending on product option

Frame

-

Finish as delivered

-

Internal frame and sash

White painted

Code 2

Lacquered 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

Glazing or infill

-

Composition

Argon filled cavity, Krypton filled cavity depending on product option

Hardware

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

Type

Manual operation 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

Accessories

None

Opening restrictor lock with key

ZOZ 010KC S011

Security lock

ZOZ 012K1

Roof pitch

Insert requirements.

Window

-

Window code

GGL CK02

Standard size 550 mm wide x 778 mm high; effective daylight area, 0.22 m².

GGL CK04

Standard size 550 mm wide x 978 mm high; effective daylight area, 0.29 m².

GGL CK06

Standard size 550 mm wide x 1178 mm high; effective daylight area, 0.37 m².

GGL FK06

Standard size 660 mm wide x 1178 mm high; effective daylight area, 0.47 m².

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 CK01

Non-standard size 550 mm wide x 698 mm high; effective daylight area, 0.19 m².

GGL FK04

Non-standard size 660 mm wide x 978 mm high; effective daylight area, 0.37 m².

GGL FK08

Non-standard size 660 mm wide x 1398 mm high; effective daylight area, 0.58 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 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.

GGL XK99

Special size, available to order; contact VELUX.

Glazing

68

6.8 mm laminated inner pane with low-e coating; 12 mm Argon filled cavity; 3 mm heat strengthened mid pane with low-e coating; 12 mm Argon filled cavity; 4 mm toughened outer pane with easy to clean and low-e coatings.

62

6.8 mm laminated inner pane with low-e coating; 10 mm Krypton filled cavity; 3 mm heat strengthened mid pane with low-e coating; 10 mm Krypton filled cavity; 8 mm toughened outer pane with anti-dew coating.

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.

70Q

6.8 mm laminated inner pane with low-e coating; 16 mm Argon filled cavity; 4 mm toughened outer pane.

Blinds, Awning and Shutter

-

Type

Not required

Blackout blind – Code DKL

Blackout energy blind – Code FHC

Duo blackout blind – Code DFD

External awning blind – Code MHL

External roller shutter – Code SHL

Flying pleated blind – Code FHL

Insect screen – Code ZIL

Roller blind – Code RFL

Roman blind – Code FHB

Solar powered blackout blind – Code DSL

Solar powered blackout energy blind – Code FSC

Solar powered external awning blind – Code MSL

Solar powered external roller shutter – Code SSL

Solar powered pleated blind – Code FSL

Solar powered roller blind – Code RSL

Venetian blind – Code PAL

Colour

Not applicable

As schedule ___

Refer VELUX Blinds and Shutters brochure for available colours and patterns.

Operation

Electric

Manual – Codes ZCT 200 and ZOZ 085

Control rod and adaptor.

Energy efficiency installation collars

Insulation collar – Code BDX 2000

Not compatible with EDN and EDJ flashings. Includes BFX.

Insulation collar – Code BDX 2000F

Compatible with EDN and EDJ flashings only. Includes BFX.

Underfelt collar – Code BFX 1000

Vapour barrier collar – Code BBX 0000

Flashing

EDL

For standard installation in slate up to 8 mm thick; roof pitch 15–90°.

EDN

For recessed installation in slate up to 8 mm thick; roof pitch 20–90°.

EDW

For standard installation in tiles up to 120 mm in profile; roof pitch 15–90°. Also for interlocking slate, thatch and profile sheeting.

EDJ

For recessed installation in tile up to 90 mm in profile; roof pitch 20–90°.

EDP

For standard installation in plain tiles up to 14 mm thick; roof pitch 25–90°.

ZWC

For standard installation where an on-site flashing is required; roof pitch 15-90°.

Standard product features

Colour:

External Colour NCS S-7500-N; Internal Colour, white paint NCS S 0500-N.

Features:

GGL manually operated centre-pivot timber roof window where 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. There is a ventilation flap operated by the top control bar which allows fresh air into the room. Externally the window has maintenance-free aluminium cover parts.

Material:

Pine Frames with Aluminium cladding.

Size:

Wide range of sizes to suit project requirements.

Warranty description:

Ten-year guarantee for window and pane. Three-year guarantee for blinds and electrics.

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Third party certifications

Additional certifications:

  • CE marked: EN 14351-1:2006 + A2:2016
  • EN 1627 Class 2 (70Q variant only)
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