Home > Companies > VELUX Company Ltd > GPU manually operated, white polyurethane top-hung roof window with GIU sloping fixed window below

Manually operated, maintenance free, white polyurethane, top hung roof window with additional lower fixed element on roof pitches 15–55° (75° with special springs).

Fixed elements are installed in combination side by side to create panoramic views. The fixed window is installed directly below the roof window frame.

Ventilation, exterior maintenance and cleaning takes place through the roof window.

Features:

  • 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 element beneath offers a great view while standing and when seated.

Warranty:

  • Ten-year guarantee for windows and panes.
  • Three-year guarantee for electrical items and blinds.

Options

Glazing:

- Code 60:

  • Thermal performance (U-value): 1.3 W/m²K.
  • Sound insulation (Rw): 37 dB.
  • Light Transmittance (Tv): 0.62.
  • Total solar energy transmittance (g): 0.30.

- 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.
  • Total solar energy transmittance (g): 0.46.

Configuration:

Roof window and lower fixed window must be the same width.

Flashing:

Flashings are available in materials and finishes to match roof window cladding.

  • Code EDL + 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 EDW + 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 EDN + 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 EDJ + 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.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-25-99/370 Rigid polyurethane frame roof window units

NBS Specification

NBS Buliding logo
This product is associated with the following NBS clauses:

Product specification

An important note about specifying

Manufacturer

Name:

VELUX Company Ltd

Tel:

+44 (0)1592 778225

Product reference

GPU manually operated, white polyurethane top-hung roof window with GIU sloping fixed window below

Roof pitch

[ ______ ]

Window

 - Roof window code:
[GPU MK04]
-
Standard size 780 mm wide x 978 mm high, effective daylight area 0.47 m².
[GPU MK06]
-
Standard size 780 mm wide x 1178 mm high, effective daylight area 0.59 m².
[GPU MK08]
-
Standard size 780mm wide x 1398 mm high, effective daylight area 0.72 m².
[GPU PK08]
-
Standard size 942 mm wide x 1398 mm high, effective daylight area 0.92 m².
[GPU PK10]
-
Standard size 942 mm wide x 1600 mm high, effective daylight area 1.07 m².
[GPU SK06]
-
Standard size 1140 mm wide x 1178 mm high, effective daylight area 0.95 m².
[GPU UK08]
-
Standard size 1340 mm wide x 1398 mm high, effective daylight area 1.40 m².
[GPU MK10]
-
Non-standard size 780 mm wide x 1600 mm high, effective daylight area 0.85 m².
[GPU PK06]
-
Non-standard size 942 mm wide x 1178 mm high, effective daylight area 0.75 m².
[GPU SK08]
-
Non-standard size 1140 mm wide x 1398 mm high, effective daylight area 1.16 m².
[GPU SK10]
-
Non-standard size 1140 mm wide x 1600 mm high, effective daylight area 1.35 m².
 
 - Fixed lower window code:
[GIU MK34]
-
Standard size 780 mm wide x 920 mm high; effective daylight area 0.44 m².
[GIU PK34]
-
Standard size 942 mm wide x 920 mm high; effective daylight area 0.56 m².
[GIU SK34]
-
Non-standard size 1140 mm wide x 920 mm high; effective daylight area 0.70 m².
[GIU UK34]
-
Non-standard size 1340 mm wide x 920 mm high; effective daylight area 0.85 m².
 

Finish

[ ______ ]

Internal frame and sash

White polyurethane – Code 0

External cladding

[Grey aluminium; colour reference NCS S-7500-N - Code 0]
[Untreated copper – Code 1]
[Titanium zinc – Code 3]
[Painted aluminium – Code 8]
-
Insert RAL or NCS colour reference.

Glazing

[60]
-
6.8 mm laminated inner pane with low-e coating; 15 mm Argon filled cavity; 6 mm toughened outer pane with easy to clean and low-e coatings.
[66]
-
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]
-
6.8 mm laminated inner pane with low-e coating; 15 mm Argon filled cavity; 4 mm toughened outer pane.

Blind

 - Upper roof window:
[Blackout blind – Code DKL]
[Blackout energy blind – Code FHC]
[Duo blackout blind – Code DFD]
[Flying pleated blind – Code FHL]
[Roller blind – Code RFL]
[Roman blind – Code FHB]
[Solar powered blackout blind – Code DSL]
[Solar powered blackout energy blind – Code FSC]
[Solar powered pleated blind – Code FSL]
[Solar powered roller blind – Code RSL]
[Venetian blind – Code PAL]
 

   Colour:

[Not applicable]
[As schedule ___]
-
Refer to VELUX Blinds and Shutters brochure for available colours and patterns.
 
 - Lower fixed window:
[Not required]
[Blackout blind – Code DKL]
[Blackout energy blind – Code FHC]
[Duo blackout blind – Code DFD]
[Flying pleated blind – Code FHL]
[Roller blind – Code RFL]
[Roman blind – Code FHB]
[Solar powered blackout blind – Code DSL]
[Solar powered blackout energy blind – Code FSC]
[Solar powered pleated blind – Code FSL]
[Solar powered roller blind – Code RSL]
[Venetian blind – Code PAL]
 

   Colour:

[Not applicable]
[As centre-pivot]
[As schedule ___]
-
Refer to VELUX Blinds and Shutters brochure for available colours and patterns.
 

Energy efficient installation

[Insulation Collar – Code BDX 2000]
-
Not compatible with E*N and E*J flashings. Includes BFX.
[Underfelt Collar – Code BFX 1000]
-
Not compatible with EDN flashings.
[Vapour Barrier Collar – Code BBX 0000]

Flashings

[EDL + ETL]
-
For standard installation into slate up to 8 mm thick; root pitch 15–90°
[EDW + ETW]
-
For standard installation into tiles up to 120 mm in profile; roof pitch 15–90°. Also for interlocking slate, thatch and profile sheeting.
[EDN + ETN]
-
For recessed installation into slate up to 8 mm thick; root pitch 20–90°.
[EDJ + ETJ]
-
For recessed installation into tile up to 120 mm thick; root pitch 20–90°.
[ZWC]
-
For standard installation where an on-site flashing is required; roof pitch 15–90°.

Accessories

[None]
[Locking handle – code 028323]

Manufacturer details

Woodside Way,
Glenrothes,
Fife, KY7 4ND
Tel +44 (0)1592 778225
Fax +44 (0)1592 776980
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