Verified by manufacturer 4 months ago
Electrically operated, centre pivot roof window with additional lower fixed element for combination installations on roof pitches between 15–90°.
For combination installations on roof pitches between 15–90°. Ideal for out-of-reach areas.
Features and benefits:
Glazing:
Upper roof window:
- Code 6821U:
- Code 6621U:
- Code 7021U:
Lower fixed window:
- Code 68:
- Code 66:
- Code 70:
Configuration:
The number of roof windows must be the same as the number of lower fixed windows; roof windows and lower fixed windows must be the same width.
Flashing:
Flashings are available in materials and finishes to match roof window cladding.
Color | White |
Finish | Painted Guidance for specification option: Internal frame and sash is White painted as standard 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: frame Aluminium Guidance for specification option: cladding |
Width | 100 mm 120 mm 140 mm 160 mm |
Warranty description | Ten year Guidance for specification option: For window and pane Three year Guidance for specification option: For blinds and electrics |
Uniclass | |
CAWS | L10/480 Roof windows |
Product performance | |
Whole window U-value | 1.0–1.3 W/m²K.Guidance for specification option: 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.Guidance for specification option: simple, convenient wall switch to operate the upper windows. Rain sensor closes the upper windows 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. Upper roof windows only. Battery Back-Up.Guidance for specification option: Battery Back-Up |
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 roof windows | Guidance for specification option: Insert requirements. |
Number of fixed lights | Guidance for specification option: Insert requirements. |
Distance between side frames | 100 mm. Guidance for specification option: Standard frame gap. 120 mm. 140 mm. 160 mm. |
Roof window size code | GGL MK04. Guidance for specification option: Standard size 780 mm wide x 978 mm high; effective daylight area 0.47 m². GGL MK06. Guidance for specification option: Standard size 780 mm wide x 1178 mm high; effective daylight area 0.59 m². GGL MK08. Guidance for specification option: Standard size 780 mm wide x 1398 mm high; effective daylight area 0.72 m². GGL PK08. Guidance for specification option: Standard size 942 mm wide x 1398 mm high; effective daylight area 0.92 m². GGL PK10. Guidance for specification option: Standard size 942 mm wide x 1600 mm high; effective daylight area 1.07 m². |
Fixed lower window code | GIL MK34. Guidance for specification option: Standard size 780 mm wide x 920 mm high; effective daylight area 0.44 m². GIL PK34. Guidance for specification option: Standard size 942 mm wide x 920 mm high; effective daylight area 0.56 m². GIL SK34. Guidance for specification option: Non-standard size 1140 mm wide x 920 mm high; effective daylight area 0.70 m². GIL UK34. Guidance for specification option: Non-standard size 1340 mm wide x 920 mm high; effective daylight area 0.85 m². |
Upper roof window | 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. |
Lower fixed window | 68. 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. 66. 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. 70. Guidance for specification option: 6.8 mm laminated inner pane with low-e coating; 15 mm Argon filled cavity; 4 mm toughened outer pane. |
Upper roof window | Not required. Blackout blind – Code DML. Light dimming energy blind – Code FMC. Pleated blind – Code FML. Roller blind – Code RML. |
Colour | Not applicable. As centre-pivot. As schedule. Guidance for specification option: Refer to VELUX Blinds and Shutters brochure for available colours and patterns. |
Lower fixed window | Not required. Blackout blind – Code DML. Guidance for specification option: Requires KUX 100 Control unit. Light dimming energy blind – Code FMC. Guidance for specification option: Requires KUX 100 Control unit. Pleated blind – Code FML. Guidance for specification option: Requires KUX 100 Control unit. Roller blind – Code RML. Guidance for specification option: Requires KUX 100 Control unit. |
Energy efficient installation | Insulation Collar – Code BDX 2000. Guidance for specification option: Not compatible with E*N and E*J flashings. Includes BFX. Underfelt Collar – Code BFX 1000. Vapour Barrier Collar – Code BBX 0000. |
Flashing | EKL + ETL. Guidance for specification option: For standard installation into slate up to 8 mm thick; root pitch 15–90° EKW + ETW. Guidance for specification option: For standard installation into tiles up to 120 mm in profile; roof pitch 15–90°. Also for interlocking slate, thatch and profile sheeting. EKN + ETN. Guidance for specification option: For recessed installation into slate up to 8 mm thick; root pitch 20–90°. EKJ + ETJ. Guidance for specification option: For recessed installation into tile up to 120 mm thick; root pitch 20–90°. ZWC. Guidance for specification option: For standard installation where an on-site flashing is required; roof pitch 15–90°. |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 1.7 Self declared |
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