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GGL Electric, Centre-Pivot Roof Window, Twin Installation

Verified by manufacturer 4 months ago

VELUX Company Ltd

Fully integrated electrically operated centre pivot roof windows, for twin installation with 18 mm or 50 mm gap on roof pitches between 15–90°.

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+44 (0)1592 778873 Website

Application

For twin installation with 18 mm or 50 mm gap on roof pitches between 15–90°. Ideal for out-of-reach areas.

Description

Features and benefits:

  • Fully integrated, pre-installed motor.
  • Ideal for out-of-reach areas.
  • Simple, convenient wall switch to operate the windows.
  • Rain sensor closes window automatically in the event of rain.


Support rafters:

Supplied in the same finish as the roof windows.


Glazing:

- Code 6821U:

  • 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 6621U:

  • 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 7021U:

  • 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.


Energy efficiency installation collars:

  • Insulation collar – Code BDX 2011 for 18 mm frame gaps: Optimizes the insulation around the window frame by preventing heat loss and eliminating cold bridges. 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 EBL 0021B:

  • For standard installation into slate and flat roofing materials up to 8 mm thick: not suitable for interlocking slate.
  • 18 mm gap between units.
  • Roof pitch 15–90º.

- Code EBW 0021B:

  • For standard installation into flat and profiled roofing materials up to 120 mm thick, including profiled sheeting and interlocking slates.
  • 18 mm gap between units.
  • Roof pitch 15–90º.

- Code EBP 0021B:

  • For standard installation into plain tiles up to 14 mm thick.
  • 18 mm gap between units.
  • Roof pitch 25–90º.

- Code EBL 0021C:

For CK02, CK04 and CK06 size windows only.

  • For standard installation into slate and flat roofing materials up to 8 mm thick: not suitable for interlocking slate.
  • 50 mm gap between units.
  • Roof pitch 15–90º.

- Code EBW 0021C:

For CK02, CK04 and CK06 size windows only.

  • For standard installation into flat and profiled roofing materials up to 120 mm thick, including profiled sheeting and interlocking slates.
  • 50 mm gap between units.
  • Roof pitch 15–90º.

- Code ZWC:

  • Window profile set to be used in conjunction with on-site weathering for non-standard roofing materials.
  • Roof pitch 15–90º.
  • For further details please contact VELUX.

General information

Color

White

Finish

Painted

Guidance for specification option:

[Finish, Internal frame and sash is White painted or comes in Lacquered natural pine. External cladding available in grey aluminium; colour reference NCS S-7500-N - Code 0, untreated copper – Code 1, titanium zinc – Code 3 and painted aluminium – Code 8]

Lacquered

Material

Pine

Guidance for specification option:

frames

Aluminium

Guidance for specification option:

cladding

Width

18 mm

50 mm

Warranty description

Ten year

Guidance for specification option:

For window and pane

Three year

Guidance for specification option:

For blinds and electrics

Uniclass

Pr_30_59_98_97 Wood frame roof window unitsPrimary

CAWS

L10/480 Roof windows

Product range

Roof window close coupled installation

Specification data - Wood frame roof window units

Product performance

-

Whole window U-value

0.86–1.3 W/m²K depending on product option.

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.

Operation

-

Type

Electrically operated- simple, convenient wall switch to operate the windows. Rain sensor closes window automatically in the event of rain.

Electrical supply

Pre-installed motor.

Fixing features

Installation collars e.g. insulation, underfelt, vapour barrier.

Accessories

None.

VELUX ACTIVE with NETATMO.

Guidance for specification option:

Code KIX 300 - Smart sensor based operation and smartphone control.

Battery Back Up.

Guidance for specification option:

Code KLB 100

Execution

Fixing of wood frames.

Internal frame and sash:

White painted.

Guidance for specification option:

Code 2

Lacquered natural pine.

Guidance for specification option:

Code 3

External cladding:

Grey aluminium; colour reference NCS S-7500-N.

Guidance for specification option:

Code 0

Untreated copper.

Guidance for specification option:

Code 1

Titanium zinc.

Guidance for specification option:

Code 3

Painted aluminium.

Guidance for specification option:

Code 8, colour

Roof pitch

Guidance for specification option:

Insert requirements.

Number of windows in group

Guidance for specification option:

Insert requirements.

Distance between side frames

18 mm.

50 mm.

Guidance for specification option:

Codes CK02, CK04 and CK06 only.

Support rafters

Not required.

EBY W20 2000.

Guidance for specification option:

2000 mm long for 18 mm only.

EBY W27 2000.

Guidance for specification option:

2700 mm long for 18 mm only.

EBY W35 2000.

Guidance for specification option:

3500 mm long for 18 mm only.

Window code

GGL CK02.

Guidance for specification option:

Standard size 550 x 778 mm high, effective daylight area 0.10 m².

GGL CK04.

Guidance for specification option:

Standard size 550 x 978 mm high, effective daylight area 0.20 m².

GGL CK06.

Guidance for specification option:

Standard size 550 x 1178 mm high, effective daylight area 0.20 m².

GGL FK06.

Guidance for specification option:

Standard size 660 x 1178 mm high, effective daylight area 0.24 m².

GGL MK04.

Guidance for specification option:

Standard size 780 x 978 mm high, effective daylight area 0.28 m².

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Glazing

6821U.

Guidance for specification option:

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.

6621U.

Guidance for specification option:

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; 12mm Krypton filled cavity; 4 mm toughened outer pane with easy to clean and anti-dew coatings.

7021U.

Guidance for specification option:

6.8 mm laminated inner pane with low-e coating; 15 mm Argon filled cavity; 4 mm toughened outer pane.

Type

Not required.

Blackout blind – Code DML.

External awning blind – Code MML.

External shutter – Code SML.

Light dimming energy blind – Code FMC.

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Colour

Not applicable.

As schedule.

Guidance for specification option:

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

Energy efficient installation

Insulation Collar – Code BDX 2011.

Guidance for specification option:

Includes BFX, for 18 mm gap only

Underfelt Collar – Code BFX 1000.

Vapour Barrier Collar – Code BBX 0000.

Flashing

EBL 0021B.

Guidance for specification option:

18 mm gap between units; for standard installation into slate up to 8 mm thick; roof pitch 15–90º.

EBW 0021B.

Guidance for specification option:

18 mm gap between units; for standard installation into tiles up to 120 mm in profile; roof pitch 15–90º.

EBP 0021B.

Guidance for specification option:

18 mm gap between units; for standard installation into plain tiles up to 14 mm thick; roof pitch 25–90º.

EBL 0021C.

Guidance for specification option:

50 mm gap between units; for standard installation into slate up to 8 mm thick; roof pitch 15–90°; CK02, CK04 and CK06 only.

EBW 0021C.

Guidance for specification option:

50 mm gap between units; for standard installation into tiles up to 120 mm in profile; roof pitch 15–90º; CK02, CK04 and CK06 only.

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Sustainability data

Embodied carbon

A1-A3 (production stage) as defined in BS EN 15804

1.7

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