78cm x 98cm
VELUX GGL M04 3059 Window 78cm x 98cm Centre Pivot Toughened – Pine.

How do I know what size Velux glass to buy?

You may find that the VELUX Identification plate/sticker is not on the window or the information on the ID plate is worn or faded. If this is the case you will need to find out the window size by measuring the visible glass size of the window inside the window frame in millimetres (mm).

How big can Velux windows be?

Velux windows come in a range of types and sizes. They can be made to fit slim, elongated spaces or wide, small spaces. However, the tallest size a Velux window comes in is 180cm, with the shortest being 55cm. The widest size is 134cm and the slimmest size is 47cm.

Can you make Velux windows bigger?

VELUX window sizes have not changed much over the last 40 years, so finding a direct replacement for your window is easy. Your new windows can be fitted into the existing aperture within a few hours. Newer VELUX roof windows have larger glazing areas as standard and are 115% more energy efficient.

What is the biggest VELUX window?

VELUX window sizes chart

HeightWidth
78cmVELUX CK02
98cmVELUX CK04VELUX MK04
118cmVELUX CK06VELUX MK06
140cmVELUX MK08

What size is VELUX C04?

55cm x 98cm
VELUX GGL C04 3073 Window 55cm x 98cm Centre Pivot Laminated (Pine)

What’s the difference between GGL and GGU VELUX?

The centre-pivot window is a classic and versatile design manufactured in high quality natural pine with the option of a clear lacquered pine internal finish (GGL) or a white polyurethane internal finish (GGU).

How do I know my VELUX window type?

The VELUX brand window codes are found on the top right-hand edge of the roof window when you open it. The data plate tells you the type of window and the window size shown through the code.

How much space do you need around a Velux window?

Leave a margin of about 18cm (7 inches) around. Cut an opening where the window will be placed. It should be between rafters so as to prevent structural damage and to allow in maximum lighting. You need to be extra careful while cutting to avoid interfering with plumbing or wiring.

Can I fit a Velux window myself?

They can be fitted entirely from the inside, no need to walk around on the roof or hire expensive scaffolding. They come complete with fully detailed fixing instructions, have adjustable ventilators in the frame and easy to operate handles which allow for ventilation in the latched position.

What is the biggest Velux window?

What is the difference between a GGL M04 and GGL 4?

Note a GGL M04 is different to a GGL 4, you will find the single numbers at the bottom of the list. The size in brackets is external frame size not glass size. 1 Window Type need help? 2 Window Size need help? 3 Glazing Options need help? How do I find which Window Type I have?

What is the size of a GGL window?

not present Size Window Options Exterior Frame Window Options Exterior Frame Visible Glass MK27 GGL 780 x 624 601 x 429 MK04 GGL, GGU 780 x 978 601 x 783 MK06 GGL, GGU 780 x 1178 601 x 983 MK08 GGL, GGU 780 x 1398 601 x 1203

Do you need a VELUX window code?

There are two parts to the VELUX window code, the window type and the window size. The window type, usually three letters like GGL,GHL,GZL,GGU and so on is not relevant for purchasing blinds for VELUX windows, you don’t need it.

What is the U-value of VELUX glass?

Made up of 4mm K-Glass low-E inner, with 4mm low iron external, these units have thicker glass than the genuine Velux units which use 3mm. U-Value 1.6W/m²K. 34 Obscure Pane. U-value 1.1 W/m²K. Combines standard glazing with the inner pane obscured (Frosted).