GPU Electrically Operated Top-Hung Roof Window
Verified by manufacturer 6 months ago
EPD
Certificate type
Electrically operated top-hung white polyurethane roof window. Suitable for roof pitches from 15–65°
Application
For roof pitches from 15–65°.
Description
Features and benefits:
- Maintenance free polyurethane moulding with white finish on timber core.
- Fully integrated, pre-installed motor.
- Gives a panoramic view and the feeling of space.
- Simple, convenient wall switch to operate the windows.
- Rain sensor closes window automatically in the event of rain.
Glazing:
- Code 6621U:
- 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 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: Optimizes the insulation around the roof window frame by reducing heat loss and eliminating cold bridges. BDX 2000 variant 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 EDJ: For recessed installation into flat and profiled roofing materials up to 90 mm thick, including profiled sheeting and interlocking slates. (Requires ZWP Profile Set, contact VELUX for details).
- Code EDL: For standard installation into slate and flat roofing materials up to 8 mm thick. Not suitable for interlocking slate.
- Code EDN: For recessed installation into slate and flat roofing materials up to 8 mm thick. Not suitable for interlocking slate (Requires ZWP Profile Set, contact VELUX for details).
- Code EDP: For standard installation into plain tiles up to 14 mm thick.
- Code EDW: For standard installation into flat and profiled roofing materials up to 120 mm thick, including profiled sheeting and interlocking slates.
General information
Color | White Grey |
Finish | Lacquered |
Material | Timber Guidance for specification option: Timber core. Polyurethane Guidance for specification option: Polyurethane coated frames. Aluminium Guidance for specification option: Aluminium cladding. Color NCS 7500-N. Glass |
Width | 660 mm 780 mm 942 mm 1140 mm |
Height | 1178 mm 1398 mm |
Warranty description | Ten year Guidance for specification option: For window and pane Three year Guidance for specification option: For electrical items. |
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. |
Operation | |
Type | Electrically operated via a wall switch whilst a rain sensor ensures the window will close automatically in the case of rain. Can be manually operated in centre pivot to allow for cleaning of the outer pane. |
Electrical supply | Equipped with two motors which open the window to 45°. |
Accessories | None.Battery Back Up.Guidance for specification option: Code KLB 100 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-N. Guidance for specification option: Code 0 |
Roof pitch | Guidance for specification option: Insert requirements. |
Window code | 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: Standard size 660 mm wide x 1398 mm high, effective daylight area 0.58 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 PK06. Guidance for specification option: Standard size 942 mm wide x 1178 mm high, effective daylight area 0.75 m². |
Glazing | 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 DSL. External awning blind – Code MSL (requires ZOZ 229 Installation .Kit) External shutter – Code SMH. Light dimming energy blind – Code FSC. |
Colour | Not applicable. As schedule. Guidance for specification option: Insert requirement, refer to VELUX Blinds and Shutters brochure for available colours and patterns. |
Energy efficiency installation collars | Insulation Collar -. Guidance for specification option: Code BDX 2000 – Not compatible with EDN and EDJ flashings. Includes BFX. Insulation Collar –. Guidance for specification option: Compatible with EDN and EDJ flashings only. Includes BFX. Underfelt Collar – Code BFX 1000. Vapour Barrier Collar – Code BBX 0000. |
Flashing | EDJ. Guidance for specification option: For recessed installation in tiles up to 90 mm in profile; roof pitch 20–90°. EDL. Guidance for specification option: For standard installation in slate up to 8 mm thick; roof pitch 15–90°. EDN. Guidance for specification option: For recessed installation in slate up to 8 mm thick; roof pitch 20–90°. EDP. Guidance for specification option: For standard installation in plain tiles up to 14 mm thick; roof pitch 25–90°. EDW. Guidance for specification option: For standard installation in tiles up to 120 mm in profile; roof pitch 15–90°. Also for interlocking slate, thatch and profile sheeting. |
Sustainability data
Contains Red List materials | Yes |
Country of material origin | Europe |
Country of product manufacture | Europe |
Material | Timber Guidance for specification option: Timber core. Polyurethane Guidance for specification option: Polyurethane coated frames. Aluminium Guidance for specification option: Aluminium cladding. Color NCS 7500-N. Glass |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 2.7 kg CO₂ eq/unit |
Recyclability | Yes |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 12 % |
Expected Life | 30 year |
Third party certifications
BIM objects
NBS BIM Object Standard
This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.
Find out more about the NBS BIM Object Standard.
| Platform | Compatible | Version |
|---|---|---|
 Revit | - | 1 |
Third party certifications
EPD
EPD 3 Layer
EPD
PUR EDP 2 layer