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GPU Top-hung Roof Window

Third party certifications:
  • BBA Agrément Certificate

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  • QA Certificate

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VELUX Company Ltd

Manually operated, maintenance free, white polyurethane, top hung roof window for roof pitches between 15–55° (75°).

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+44 (0)1592 778225 www.velux.co.uk
Description

Manually operated, maintenance free, white polyurethane, top hung roof window for roof pitches between 15–55° (75°).

Features:

  • Can be installed in roof pitches 15–55° and up to 75° with special springs.
  • Maintenance free polyurethane moulding with white finish on timber core.
  • Opens to any positions up to 45° to allow panoramic, uninterrupted views.
  • Meets requirements for emergency escape. (except size CK04).

Operation:

  • 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.

Warranty:

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

General information
Color

Polyurethane color NCS 0500-N

Features

Top hung roof window

Material

Polyurethane

Size

550 x 980 mm

Uniclass 2015
Rigid polyurethane frame roof window units (Pr_30_59_98_72)Primary
Specification data - Rigid polyurethane frame roof window units
Product Reference

GPU manually operated, white polyurethane, top-hung roof window

Roof pitch

Insert requirements.

Window -
Window code

GPU CK04

Standard size 550 mm wide x 978 mm high, effective daylight area 0.29 m².

GPU CK06

Standard size 550 mm wide x 1178 mm high, effective daylight area 0.37 m².

GPU FK06

Standard size 660 mm wide x 1178 mm high, effective daylight area 0.47 m².

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 780 mm wide x 1398 mm high, effective daylight area 0.72 m².

GPU SK06

Standard size 1140 mm wide x 1178 mm high, effective daylight area 0.95 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 UK08

Standard size 1340 mm wide x 1398 mm high, effective daylight area 1.40 m².

GPU FK08

Non-standard size 660 mm wide x 1398 mm high, effective daylight area 0.58 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.

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, colour

Insert RAL or NCS colour reference.

Glazing

68

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

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 -
Type

Not required

Blackout blind – Code DKL

Blackout energy blind – Code FHC

Duo blackout blind – Code DFD

External awning blind – Code MHL

External roller shutter – Code SHL

Flying pleated blind – Code FHL

Insect screen – Code ZIL

Roller blind – Code RFL

Roman blind – Code FHB

Solar powered blackout blind – Code DSL

Solar powered blackout energy blind – Code FSC

Solar powered external awning blind – Code MSL

Solar powered external roller shutter – Code SSL

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.

Operation

Not applicable

Manual

Energy efficiency installation collars

Insulation Collar – Code BDX 2000

Not compatible with EDN and EDJ flashings. Includes BFX.

Insulation Collar – Code BDX 2000F

Compatible with EDN and EDJ flashings only. Includes BFX.

Underfelt Collar – Code BFX 1000

Vapour Barrier Collar – Code BBX 0000

Flashings

EDL

For standard installation in slate up to 8 mm thick; roof pitch 15–90°.

EDN

For recessed installation in slate up to 8 mm thick; roof pitch 20–90°.

EDW

For standard installation in tiles up to 120 mm in profile; roof pitch 15–90°. Also for interlocking slate, thatch and profile sheeting.

EDJ

For recessed installation in tile up to 90 mm in profile; roof pitch 20–90°.

EDP

For standard installation in plain tiles up to 14 mm thick; roof pitch 25–90°.

ZWC

For standard installation where an on-site flashing is required; roof pitch 15–90°.

Accessories

Not required

Locking handles – code 028323

Standard product features

Internal frame and sash finish:

White lacquer finish on moulded polyurethane around a timber core.

Product Options

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 62:

  • Thermal performance (U-value): 0.96 W/m²K.
  • Sound insulation (Rw): 42 dB.
  • Light Transmittance (Tv): 0.73.
  • 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.
  • Total solar energy transmittance (g): 0.46.

Energy efficiency installation collars:

  • Insulation collar – Code BDX: Optimizes the insulation around window frame by preventing 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 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.
  • Code EDW: For standard installation into flat and profiled roofing materials up to 120 mm thick, including profiled sheeting and interlocking slates.
  • Code EDJ: For recessed installation into flat and profiled roofing materials up to 90 mm thick, including profiled sheeting and interlocking slates.
  • Code EDP: For standard installation into plain tiles up to 14 mm thick.
  • 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.

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Third party certifications
  • 08/4608 : Product sheet 2: VELUX top hung roof windows
  • CE marked: EN 14351-1:2006 + A2:2016
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