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GPU Manually Operated, White Polyurethane, Top-Hung Roof Window, Combination Installation

Verified by manufacturer 4 months ago

VELUX Company Ltd Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

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

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Application

For combination installations on roof pitches of 15–55° and up to 75° with special springs.

Description

Features and benefits:

  • 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).
  • 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.


Distance between side frames:

100–400 mm (100 mm is standard).


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 the 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.

- EKL 0021E:

  • For standard coupled installation, two roof windows installed side by side with 100 mm frame gap.
  • For slate up to 8 mm thick.
  • Roof pitch 15-90°.

- EKL S0311:

  • For standard triple installation, three windows installed side by side with 100 mm frame gaps.
  • For slate up to 8 mm thick.
  • Roof pitch 15-90°.

- EKL S0122:

  • For standard duo installation, two windows installed one above the other with 100 mm frame gap.
  • For slate up to 8 mm thick.
  • Roof pitch 15-90°.

- EKL S0222:

  • For standard quattro installation, two windows installed side by side above two windows installed side by side with 100 mm frame gaps both horizontally and vertically.
  • For slate up to 8 mm thick.
  • Roof pitch: 15-90°.

- EKW 0021E:

  • For standard coupled installation, two roof windows installed side by side with 100 mm frame gap.
  • For tiles up to 120 mm in profile, interlocking slate, thatch and profile sheeting.
  • Roof pitch 15-90°.

- EKW S0311:

  • For standard triple installation, three windows installed side by side with 100 mm frame gaps.
  • For tiles up to 120 mm in profile, interlocking slate, thatch and profile sheeting.
  • Roof pitch 15-90°.

- EKW S0122:

  • For standard duo installation, two windows installed one above the other with 100 mm frame gaps.
  • For tiles up to 120 mm in profile, interlocking slate, thatch and profile sheeting.
  • Roof pitch 15-90°.


- EKW S0222:

  • For standard quattro installation, two windows installed side by side above two windows installed side by side with 100 mm frame gaps both horizontally and vertically.
  • For tiles up to 120 mm in profile, interlocking slate, thatch and profile sheeting.
  • Roof pitch 15-90°.


- EKP 0021E:

  • For standard coupled installation, two roof windows installed side by side with 100 mm frame gap.
  • For plain tiles up to 14 mm in profile.
  • Roof pitch 25-90°.


- EKN S0021E:

  • For recessed coupled installation, two roof windows installed side by side with 100 mm frame gap.
  • For slate up to 8 mm thick.
  • Roof pitch 20-90°.


- EKJ S0021E:

  • For recessed coupled installation, two roof windows installed side by side with 100 mm frame gap.
  • For tiles up to 90 mm in profile, interlocking slate, thatch and profile sheeting.
  • Roof pitch 20-90°.


- Code ZWC:

  • Window profile set to be used in conjunction with on-site weathering for non-standard roofing materials.
  • Roof pitch 15–90º.
  • For further details please contact VELUX.

General information

Color

White

Material

Timber

Guidance for specification option:

Timber core

Polyurethane

Guidance for specification option:

Polyurethane coated frames

Aluminium

Guidance for specification option:

Aluminium cladding

Manufacturer guidance

Internal frame and sash is in a white polyurethane lacquer – 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.

Size

-

Manufacturer guidance

Wide range of sizes to suit project requirements. Distance between side frames is 100 mm as standard or 120 mm, 140 mm and 160 mm

Width

100 mm

120 mm

140 mm

160 mm

Warranty description

Ten year

Uniclass

Pr_30_59_98_72 Rigid polyurethane frame roof window unitsPrimary

CAWS

L10/480 Roof windows

Product range

Roof window combination installation

Specification data - Rigid polyurethane frame roof window units

Standard

BBA Agrément Certificate.

Product performance

-

Whole window U-value

0.88–1.3 W/m²K

Guidance for specification option:

Depending on product option.

Frame

-

Finish as delivered

White polyurethane lacquer.

Guidance for specification option:

Code 0

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.

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

Not required.

Locking handle.

Guidance for specification option:

code 028323

Execution

Fixing of plastics frames.

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.

Arrangement of combi group

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.

Distance between top and bottom frames

100 mm.

Guidance for specification option:

Standard frame gap.

250 mm.

Guidance for specification option:

Required with external shutters.

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 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.

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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.

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Colour

Not applicable.

As schedule.

Guidance for specification option:

Refer to VELUX Blinds and Shutters brochure for available colours and patterns.

Operation

Manual.

Not applicable.

Energy efficiency installation collars

Insulation Collar – Code BDX 2011E.

Guidance for specification option:

For coupled installation only. Not compatible with EKN and EKJ flashings. Includes BFX.

Insulation Collar – Code BDX 2000F.

Guidance for specification option:

Compatible with EKN and EKJ flashings only. Includes BFX.

Underfelt Collar – Code BFX 1000.

Vapour Barrier Collar – Code BBX 0000.

Flashings

EKL 0021E.

Guidance for specification option:

Standard coupled installation into slate up to 8 mm thick; roof pitch 15–90°.

EKL S0312.

Guidance for specification option:

Standard triple installation into slate up to 8 mm thick; roof pitch 15–90°.

EKL S0122.

Guidance for specification option:

Standard duo installation into slate up to 8 mm thick; roof pitch 15–90°.

EKL S0222.

Guidance for specification option:

Standard quattro installation into slate up to 8 mm thick; roof pitch 15–90°.

EKW 0021E.

Guidance for specification option:

Standard coupled installation into tiles up to 120 mm in profile; roof pitch 15–90°.

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Sustainability data

Embodied carbon

A1-A3 (production stage) as defined in BS EN 15804

2.7 kg·CO₂e/kg

Third party certifications

BBA Agrément Certificate

BBA Agrément Certificate

08/4608

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