Top Operated Pinewood low pitch Centre-pivot roof window - GBL

VELUX roof windows

Top Operated Pinewood low pitch Centre-pivot roof window - GBL

Name: Top Operated Pinewood low pitch Centre-pivot roof window - GBL
Rating: 5 (5 reviews)

5.0(5 評價)

GBL is a manually operated centre pivot specially designed roof window that together with the special flashing EDG can be installed in roof pitches down to 10°. Apart from this, the window have almost same specifications and functions as standard roof window GGL and is centre-pivoted and operated with a full-width control bar on the ventilation flap of the top sash. The ventilation flap allows fresh air to enter the room through a dust and insect filter.

Frame and sash made of laminated pine wood and ventilation flap made of pine wood are all finished with triple coat.

The exterior of the frame and sash is metal-clad and therefore maintenance-free.

window Sizes:	External frame W x H : mm	Effective daylight areas: m²	Geometric free area: m²
CK04	550 x 978	0.29	0.34
MK04	780 x 978	0.47	0.53
MK06	780 x 1178	0.59	0.66
MK08	780 x 1398	0.72	0.81
PK04	942 x 978	0.60	0.66
SK01	1140 x 698	0.48	0.54
SK06	1140 x 1178	0.95	1.03

VELUX roofwindows roofwindow roof windows roof window skylight skylights

規格

Background Ventilation (via Ventilation Flap based on double glazed windows):

Ventilation Capacity	at 4Pa	at 8Pa	at 10Pa	at 20Pa
CK04	4.0 l/s	5.7 l/s	6.4 l/s	9.3 l/s
MK04	5.8 l/s	8.4 l/s	9.5 l/s	13.7 l/s
MK06	5.8 l/s	8.4 l/s	9.5 l/s	13.7 l/s
MK08	5.8 l/s	8.4 l/s	9.5 l/s	13.7 l/s
PK04	7.1 l/s	10.2 l/s	11.5 l/s	16.6 l/s
SK01	8.5 l/s	12.3 l/s	13.9 l/s	20.1 l/s
SK06	8.5 l/s	12.3 l/s	13.9 l/s	20.1 l/

Ventilation Area:	Equivalent Area : mm²	Geometrical Free Area : mm²
CK**	2600	2800
MK**	3700	4500
PK**	4600	6100
SK**	5600	7200

Finishes:

Internal
White-painted Finished with triple coat,

Variation 1 - White-painted finished with triple coat (NCS standard colour: S 0500-N, nearest RAL standard colour: 9003).

External –
Maintenance-free cover parts.

Variation 1 -Aluminium, dark grey (NCS standard colour: S 7500-N, nearest RAL standard colour 7043).

技術規格

唯一參考GBL
產品系列Center Pivot
產品組合Top operated
類型对象（单个对象）
發佈日期2021-08-31
版本號1

連結

竣工https://installationdetail.velux.com/
產品網址https://www.velux.co.uk/technical-library/sloped-roof-windows/low-pitch-windows/gbl
安裝說明https://contenthub.velux.com/api/public/content/product-guide_454701?v=4470efc2
教學影片https://www.youtube.com/@VELUXsimulationtools
產品認證https://www.velux.com/ce-marking
技術說明https://contenthub.velux.com/api/public/content/6bcee-cbc06-d347b_downloadOriginal?v=5575e79a

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