GGU Electric, White Polyurethane, Centre-Pivot Roof Window, Twin Installation
Verified by manufacturer 5 months ago
Fully integrated , electrically operated, maintenance free, white polyurethane, centre pivot roof windows, for twin installation with 18 mm or 50 mm gap on roof pitches between 15–90°.
Application
For twin installation with 18 mm or 50 mm gap on roof pitches between 15–90°. Suitable for out-of-reach areas.
Description
Features and benefits:
- Maintenance free polyurethane moulding with white finish on timber core.
- 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.
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): 1.3 W/m²K.
- Sound insulation (Rw): 35 dB.
- Light Transmittance (Tv): 0.68.
- Total solar energy transmittance (g): 0.46.
- 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: 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.
- 150 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.
Support rafters:
Supplied in the same finish as the roof windows.
General information
Color | White |
Finish | Lacquered Guidance for specification option: Internal frame and sash has a white lacquer finish on moulded polyurethane around a timber core. External cladding is 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, colour |
Material | Timber Guidance for specification option: Timber core Polyurethane Guidance for specification option: Polyurethane coated frames Aluminium Guidance for specification option: Aluminium 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 electrical items and blinds |
Uniclass | |
CAWS | L10/480 Roof windows |
Product range |
Specification data - Rigid polyurethane frame roof window units
Product performance | |
Whole window U-value | 0.96–1.3 W/m²K.Guidance for specification option: Depending on product option. |
Glazing or infill | |
Composition | Argon filled cavity or 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 | Insulation collar, underfelt collar and vapour barrier collar available for installation. |
Accessories | None.VELUX ACTIVE with NETATMO.Guidance for specification option: Code KIX 300 - Smart sensor based operation and smartphone control. |
Execution | Fixing of plastics frames. |
Internal frame and sash | White polyurethane lacquer. Guidance for specification option: Code 0 |
External cladding | Grey aluminium; colour reference NCS S-7500-. 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. Guidance for specification option: Standard frame distance. 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, 18 mm frame gap only. EBY W27 2000. Guidance for specification option: 2700 mm long, 18 mm frame gap only. EBY W35 2000. Guidance for specification option: 3500 mm long, 18 mm frame gap only. |
Window code | GGU CK02. Guidance for specification option: Standard size 550 mm wide x 778 mm high, effective daylight area 0.22 m². GGU CK04. Guidance for specification option: Standard size 550 mm wide x 978 mm high, effective daylight area 0.29 m². GGU CK06. Guidance for specification option: Standard size 550 mm wide x 1178 mm high, effective daylight area 0.37 m². GGU FK06. Guidance for specification option: Standard size 660 mm wide x 1178 mm high, effective daylight area 0.47 m². GGU MK04. Guidance for specification option: Standard size 780 mm wide x 978 mm high, effective daylight area 0.47 m². |
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; 12 mm 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. |
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 to120 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. |
Sustainability data
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 2.7 |
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