Verified by manufacturer 26 days 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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