Verified by manufacturer 4 months ago
Manually operated, maintenance free, white polyurethane, top hung roof windows for twin installation with 18 mm or 50 mm gap on roof pitches between 15–55° (75°).
For twin installations with 18 mm or 50 mm gap on roof pitches between 15–55° and up to 75° with special springs.
Features and benefits:
Glazing:
- Code 68:
- Code 62:
- Code 66:
- Code 70:
Energy efficiency installation collars:
Flashing:
Flashings are available in materials and finishes to match roof window cladding.
- Code EBL 0021B:
- Code EBW 0021B:
- Code EBP 0021B:
- Code EBL 0021C:
For CK02, CK04 and CK06 size windows only.
- Code EBW 0021C:
For CK02, CK04 and CK06 size windows only.
- Code ZWC:
Support rafters:
Supplied in the same finish as the roof windows.
Color | White |
Finish | Lacquered Guidance for specification option: Internal frame and sash is in a white lacquer polyurethane – Code 0 around a timber core, external cladding in grey aluminium; colour reference NCS S-7500-N - Code 0, Untreated copper – Code 1, Titanium zinc – Code 3, Painted aluminium – Code 8 |
Material | Timber Guidance for specification option: Timber core Polyurethane Guidance for specification option: Polyurethane coated frames Aluminium Guidance for specification option: Aluminium cladding |
Size | Manufacturer guidanceWide range of sizes to suit project requirements. Distance between side frames is 18 mm as standard or 50 mm |
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 |
Standard | BBA Agrément Certificate. |
Product performance | |
Whole window U-value | 0.88–1.3 W/m²K.Guidance for specification option: Depending on product option. |
Glazing or infill | |
Composition | Argon filled cavity or Krypton filled cavity. |
Hardware | Flashings are available in materials and finishes to match roof window cladding. |
Operation | |
Type | Manual.Guidance for specification option: The window is opened by means of a handle placed at the bottom sash. Sash can also be rotated 180° and locks in place for the ease of cleaning of the outer pane |
Fixing features | Insulation collar, underfelt collar and vapour barrier collar available for installation. |
Accessories | None.Locking handle.Guidance for specification option: code 028323 |
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-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. Guidance for specification option: Standard frame gap. 50 mm. Guidance for specification option: 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 | GPU CK04. Guidance for specification option: Standard size 550 mm wide x 978 mm high, effective daylight area 0.29 m². GPU CK06. Guidance for specification option: Standard size 550 mm wide x 1178 mm high, effective daylight area 0.37 m². GPU FK06. Guidance for specification option: Standard size 660 mm wide x 1178 mm high, effective daylight area 0.47 m². GPU FK08. Guidance for specification option: Non-standard size 660 mm wide x 1398 mm high, effective daylight area 0.58 m². GPU MK04. Guidance for specification option: Standard size 780 mm wide x 978 mm high, effective daylight area 0.47 m². |
Glazing | 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. 62. Guidance for specification option: 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. 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. |
Type | Not required. Blackout blind – Code DKL. Blackout energy blind – Code FHC. Duo blackout blind – Code DFD. External awning blind – Code MHL. |
Colour | Not applicable. As schedule. Guidance for specification option: Refer to VELUX Blinds and Shutters brochure for available colours and patterns. |
Operation | Not applicable. Manual. |
Energy efficiency installation collars | 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. |
Flashings | 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. |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 2.7 kg·CO₂e/kg |
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