GPU Manually Operated, White Polyurethane, Top-Hung Roof Window with GIU Sloping Fixed Windows Below, Combination Installation
Verified by manufacturer 5 months ago
Manually operated, maintenance free, white polyurethane, top hung roof window with additional lower fixed element for combination installations on roof pitches 15–55° (75°).
Application
For combination installations on roof pitches of 15–55° and up to 75° with special springs.
Description
Features and benefits:
- Top-hung window opens to any position up to 45° to allow panoramic, uninterrupted views.
- Maintenance free polyurethane moulding with white finish on timber core.
- Meets requirements for emergency escape.
- Additional fixed elements beneath offers a great view while standing and when seated.
- Fixed elements are installed in combination side by side to create panoramic views.
- The fixed window is installed directly below the roof window frame.
- Combination flashings are modular meaning there is no limit to the overall size of the group, but the minimum distance between windows side by side is 100 mm.
- Ventilation, exterior maintenance and cleaning takes place through the roof window.
Glazing:
- Code 68:
- 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 66:
- 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 70:
- Thermal performance (U-value): 1.3 W/m²K.
- Sound insulation (Rw): 35 dB.
- Light Transmittance (Tv): 0.68.
- Light Transmittance (Tv): 0.68.
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.
- Code EKL + ETL: For standard installation into slate and flat roofing materials up to 8 mm thick. Not suitable for interlocking slate; Roof pitches from 15–90°.
- Code EKW + ETW: For standard installation into flat and profiled roofing materials up to 120 mm thick, including profiled sheeting and interlocking slates. Roof pitches from 15–90°.
- Code EKN + ETN: For recessed installation into slate and flat roofing materials up to 8 mm thick. Not suitable for interlocking slate; Roof pitches from 15–90°.
- Code EKJ + ETJ: For recessed installation into flat and profiled roof materials up to 90 mm thick, including profiled sheeting and interlocking slates; Roof pitches from 20–90°.
- Code ZWC: Window profile set to be used in conjunction with on-site weathering for non-standard roofing materials. For further details please contact VELUX.
General information
Color | White |
Finish | Manufacturer guidanceInternal frame and sash is in a white 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 |
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 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 | 1.0–1.3 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 | Manually operated. |
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. 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 |
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. |
Type | GPU MK04. Guidance for specification option: Standard size 780 mm wide x 978 mm high, effective daylight area 0.47 m². GPU MK06. Guidance for specification option: Standard size 780 mm wide x 1178 mm high, effective daylight area 0.59 m². GPU MK08. Guidance for specification option: Standard size 780 mm wide x 1398 mm high, effective daylight area 0.72 m². GPU SK06. Guidance for specification option: Standard size 1140 mm wide x 1178 mm high, effective daylight area 0.95 m². GPU PK08. Guidance for specification option: Standard size 942 mm wide x 1398 mm high, effective daylight area 0.92 m². |
Fixed lower window code | GIU MK34. Guidance for specification option: Standard size 780 mm wide x 920 mm high; effective daylight area 0.44 m². GIU PK34. Guidance for specification option: Standard size 942 mm wide x 920 mm high; effective daylight area 0.56 m². GIU SK34. Guidance for specification option: Non-standard size 1140 mm wide x 920 mm high; effective daylight area 0.70 m². GIU UK34. Guidance for specification option: Non-standard size 1340 mm wide x 920 mm high; effective daylight area 0.85 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. 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 DKL. Blackout energy blind – Code FHC. Duo blackout blind – Code DFD. Flying pleated blind – Code FHL. |
Lower fixed window | Not required. Blackout blind – Code DKL. Blackout energy blind – Code FHC. Duo blackout blind – Code DFD. Flying pleated blind – Code FHL. |
Flashings | EKL + ETL. Guidance for specification option: For standard installation into slate up to 8 mm thick; roof 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; roof pitch 20–90°. EKJ + ETJ. Guidance for specification option: For recessed installation into tile up to 120 mm thick; roof pitch 20–90°. ZWC. Guidance for specification option: For standard installation where an on-site flashing is required; roof pitch 15–90°. |
Sustainability data
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 2.7 kg·CO₂e/kg |
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