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GBL Low Pitch, Centre-Pivot Roof Window

Verified by manufacturer 4 months ago

GBL CK04

VELUX Company Ltd Variant:

Manually operated centre-pivot roof window. Suitable for low pitch roofs from 10–20°.

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Application

Suitable for low pitch roofs from 10–20°.

Description

Manually operated centre-pivot roof window. Suitable for low pitch roofs from 10–20°.


Features and benefits:

  • It is water resistant and be crafted with a glass-to-edge technology providing a seamless edge.
  • Available in seven standard sizes.
  • Glazing as standard comes with safety lamination, toughened glass, UV filter and an exclusive rain noise reduction feature.
  • Ventilation bar for fresh air (through a closed window).
  • Manual operation as standard. A remote-controlled solar-powered motor option available.
  • Window rotates 180° for safe cleaning of the outer glass from the inside.
  • Removable and cleanable ventilation filter protects from dust and insects while ventilating.

General information

Color

Grey

Guidance for specification option:

External cladding: Grey aluminium (NCS S-7500-N nearest RAL 7043).

Internal finish to frame and sash: White.

Manufacturer guidance

Interior - white

Exterior - dark grey

Finish

Painted

Powder-coated

Manufacturer guidance

Interior finish

Material - White-painted

Description - Finished with triple coat, white painted


Exterior covers

Material - Aluminium, dark grey

Description - Dark grey

Material

Aluminium

Wood

Guidance for specification option:

Nordic pine.

Shape

Rectangle

Width

550 mm

780 mm

942 mm

1140 mm

Height

978 mm

1178 mm

1398 mm

698 mm

Warranty description

Ten year

Guidance for specification option:

Window and pane.

Blinds (if specified): three-year guarantee.

Uniclass

Pr_30_59_98_97 Wood frame roof window unitsPrimary

CAWS

L10/480 Roof windows

L10/46 Roof windows

Specification data - Wood frame roof window units

Standard

Non-fire- and/ or smoke-rated windows to BS EN 14351-1.

Product performance

-

Fire resistance

Reaction to fire: C-s1,d2.

Guidance for specification option:

External fire performance (UK): AC.

Whole window U-value

1.1 W/m²K.

Manufacturer guidance

Innovative ThermoTechnology™ insulation is integrated into the sash bottom sides of the window to increase energy-efficiency

Frame

-

Chain of custody

PEFC.

Finish as delivered

Grey aluminium (external); white, painted Nordic pine (internal).

Guidance for specification option:

External cladding: Grey aluminium (NCS S-7500-N; nearest RAL 7043).

Internal finish to frame and sash: Nordic pine with White painted finish (NCS S-0500-N; nearest RAL 9003).

Ventilator

Ventilation flap.

Guidance for specification option:

Full width ventilation flap, pine wood.

Can be used for ventilation even with a closed window. The ventilation flap is connected to the top sash with the lock casing.

Glazing or infill

-

Composition

Triple-glazed.

Guidance for specification option:

6.8 mm laminated float glass; 13 mm Argon; 3 mm heat strengthened glass; 13 mm Argon; 4 mm toughened glass.

Hardware

Control bar; barrel bolt.

Guidance for specification option:

Top-operated control bar.

The barrel bolt can be placed into the integrated barrel bolt bushing to secure the window for cleaning of outer glass surface or for safe ventilation.

Operation

-

Type

Manual.

Guidance for specification option:

Standard.

Barrel bolt, centre-pivot, top-operated.

One pull of top control bar allows background ventilation whilst the window remains securely closed. One further pull opens the window. Rotates 180° and locks in place for ease of cleaning of the outer pane.

Durable hinge design allows for reliable operation and enables the sash to be rotated for easy cleaning of the outer pane.

Remote-controlled solar-powered motor.

Guidance for specification option:

Consult manufacturer for detail.

Fixing features

Frame hinge.

Centre pivot.

Side.

Accessories

None.

Manual – Codes ZCT 200K ZOZ 085 - control rod and adaptor.

Blinds

Not required.

Blackout blind - Code DKL.

Blackout energy blind - Code FHC.

Duo blackout blind - Code DFD.

Flying pleated blind - Code FHL.

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Manufacturer guidance

Colour: See VELUX Blinds and Shutters brochure for available colours and patterns and insert requirements.

Energy efficient installation

Underfelt collar – code BFX 1000 .

Guidance for specification option:

Standard; included unless specified otherwise.

Vapour barrier collar - BBX Code 0000.

Sound insulation

35 (-1;-3) dB.

Air permeability

Class 4.

Impact resistance

3.

Resistance to wind load

C3.

Water tightness (to EN 1928)

E900.

Dimensions

550 x 978 mm .

Guidance for specification option:

External frame width x height.

Consult manufacturer's literature for further details, including sash aperture and distance between lining grooves.

Clear opening

0.29 m².

Manufacturer guidance

daylight area

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