NBS Source
I'm a manufacturer

GDL Roof Balcony

Verified by manufacturer 6 months ago

VELUX Company Ltd Product certifications:
  • EPD

    EPD

    Certificate type

Timber roof balcony, suitable for roof pitches from 35–53°.

Jump to:
BOS
 +44 (0)1592 778873 Website

Application

For roof pitches between 35–53°.

Description

Features and benefits:

  • Roof balcony system that turns a roof window into an instant balcony in seconds.
  • Can be combined with additional top-hung and lower elements for more daylight.
  • Consists of a top-hung upper section which opens to 45° and the lower section opens out vertically into a glazed balcony with side railings.
  • Can be easily combined with additional top-hung and fixed sloping roof windows for more daylight.
  • Double and triple units include EKY (100 mm) support trimmers.

General information

Color

White

Finish

Painted

Guidance for specification option:

Internal frame and sash is White painted as standard or comes in Lacquered natural pine. External cladding available in grey aluminium; colour reference NCS S-7500-N - Code 0.

Material

Pine

Guidance for specification option:

frames

Aluminium

Guidance for specification option:

cladding

Glass

Shape

Rectangle

Width

780 mm

942 mm

1140 mm

Height

2520 mm

Warranty description

Ten year

Guidance for specification option:

For window and pane

Three year

Guidance for specification option:

For blinds and electrics

Uniclass

Pr_30_59_98_97 Wood frame roof window unitsPrimary

CAWS

L10/480 Roof windows

Product range

Balcony and Terrace Systems

Specification data - Wood frame roof window units

Classification data

Product performance

-

Whole window U-value

1.2 W/m²K.

Glazing or infill

-

Composition

Triple glazed as standard, Krypton filled cavity.

Hardware

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

Operation

-

Type

Manual operation. Refer to VELUX for detailed guidance prior to specification.

Execution

Fixing of wood frames.

Internal frame and sash

White painted.

Guidance for specification option:

Standard.

Lacquered natural pine.

External cladding

Grey aluminium; colour reference NCS S-7500-N - Code 0.

Blinds

Not required.
Blackout blind.

Guidance for specification option:

Code DKL

Blackout energy blind.

Guidance for specification option:

Code FHC

Duo blackout blind.

Guidance for specification option:

Code DFD

Flying pleated blind.

Guidance for specification option:

Code FHL

Roller blind.

Guidance for specification option:

Code RFL

Roman blind.

Guidance for specification option:

Code FHB

Solar powered blackout blind.

Guidance for specification option:

Code DSL

Solar powered blackout energy blind.

Guidance for specification option:

Code FSC

Solar powered pleated blind.

Guidance for specification option:

Code FSL

Solar powered roller blind.

Guidance for specification option:

Code RSL

Venetian blind.

Guidance for specification option:

Code PAL

Energy efficient installation

Not required.
Insulation Collar.

Guidance for specification option:

Code BDX 2000

Underfelt Collar.

Guidance for specification option:

Code BFX 1000

Vapour Barrier Collar.

Guidance for specification option:

Code BBX 0000

Not required.
Insulation Collar.

Guidance for specification option:

Code BDX 2000

Underfelt Collar.

Guidance for specification option:

Code BFX 1000

Vapour Barrier Collar.

Guidance for specification option:

Code BBX 0000

Roof pitch

Guidance for specification option:

Insert requirements.

Window code

GDL MK19 SD0L001.

Guidance for specification option:

Single CABRIO® balcony in size 780 mm wide x 2520 mm high. For slate and flat roofing materials up to 8 mm thick.

GDL MK19 SK0L222.

Guidance for specification option:

Double combination, 1 x CABRIO® balcony and 1 x GPL MK10 over 1 x GIL MK34. For slate and flat roofing materials up to 8 mm thick.

GDL MK19 SD0W001.

Guidance for specification option:

Single CABRIO® balcony in size 780 mm wide x 2520 mm high. For tiles and profiled roofing materials up to 120 mm in profile.

GDL MK19 SK0W224.

Guidance for specification option:

Double combination, 1 x CABRIO® balcony and 1 x GPL MK10 over 1 x GIL MK34. For tiles and profiled roofing materials up to 120 mm in profile.

GDL PK19 SD0L001.

Guidance for specification option:

Single CABRIO® balcony in size 942 mm wide x 2520 mm high. For slate and flat roofing materials up to 8 mm thick.

GDL PK19 SK0L222.

Guidance for specification option:

Double combination, 1 x CABRIO® balcony and 1 x GPL PK10 over 1 x GIL PK34. For slate and flat roofing materials up to 8 mm thick.

GDL PK19 SK0L322.

Guidance for specification option:

Triple combination, 1 x CABRIO® balcony and 2 x GPL PK10 over 2 x GIL PK34. For slate and flat roofing materials up to 8 mm thick.

GDL PK19 SD0W001.

Guidance for specification option:

Single CABRIO® balcony in size 942 mm wide x 2520 mm high. For tiles and profiled roofing materials up to 120 mm in profile.

GDL PK19 SK0W224.

Guidance for specification option:

Double combination, 1 x CABRIO® balcony and 1 x GPL PK10 over 1 x GIL PK34. For tiles and profiled roofing materials up to 120 mm in profile.

GDL PK19 SK0W321.

Guidance for specification option:

Triple combination, 1 x CABRIO® balcony and 2 x GPL PK10 over 2 x GIL PK34. For tiles and profiled roofing materials up to 120 mm in profile.

GDL SK19 SD0L001.

Guidance for specification option:

Single CABRIO® balcony in size 1140 mm wide x 2520 mm high. For slate and flat roofing materials up to 8 mm thick.

GDL SK19 SK0L222.

Guidance for specification option:

Double combination, 1 x CABRIO® balcony and 1 x GPL SK10 over 1 x GIL SK34. For slate and flat roofing materials up to 8 mm thick.

GDL SK19 SK0L322.

Guidance for specification option:

Triple combination, 1 x CABRIO® balcony and 2 x GPL SK10 over 2 x GIL SK34. For slate and flat roofing materials up to 8 mm thick.

GDL SK19 SD0W001.

Guidance for specification option:

Single CABRIO® balcony in size 1140 mm wide x 2520 mm high. For tiles and profiled roofing materials up to 120 mm in profile.

GDL SK19 SK0W224.

Guidance for specification option:

Double combination, 1 x CABRIO® balcony and 1 x GPL SK10 over 1 x GIL SK34. For tiles and profiled roofing materials up to 120 mm in profile.

GDL SK19 SK0W321.

Guidance for specification option:

Triple combination, 1 x CABRIO® balcony and 2 x GPL SK10 over 2 x GIL SK34. For tiles and profiled roofing materials up to 120 mm in profile.

Sustainability data

Contains Red List materials

Yes

Country of material origin

Europe

Country of product manufacture

Europe

Material

Pine

Guidance for specification option:

frames

Aluminium

Guidance for specification option:

cladding

Glass

Manufacturing plant location

Recyclability

yes

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

12 %

Expected Life

30 year

Product certifications

BIM objects

BOS

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

Revit 2017

3

Product certifications

EPD

EPD

Balcony EPD

Similar products from VELUX Company Ltd

GBL Low Pitch, Centre-Pivot Roof Window

GBL Low Pitch, Centre-Pivot Roof Window

GCL Heritage conservation roof window

GCL Heritage conservation roof window

GEL Roof Terrace

GEL Roof Terrace

GGL Centre-Pivot Roof Window

GGL Centre-Pivot Roof Window

GGL Electric/ Solar Centre-Pivot Roof Window

GGL Electric/ Solar Centre-Pivot Roof Window

GGL Manually Operated, Centre-Pivot Roof Window, Conservation Style

GGL Manually Operated, Centre-Pivot Roof Window, Conservation Style

GGL Solar Powered, Centre-Pivot Roof Window

GGL Solar Powered, Centre-Pivot Roof Window

GGLS 3in1 Centre-Pivot Timber Roof Window.

GGLS 3in1 Centre-Pivot Timber Roof Window.

GIL Fixed Sloped Additional Lower Element

GIL Fixed Sloped Additional Lower Element

GPL Manually Operated, Top-Hung Roof Window, Conservation Style

GPL Manually Operated, Top-Hung Roof Window, Conservation Style

© 2025 Hubexo North UK Ltd. All rights reserved.