Velux Barrel Bolt

The barrel bolt allows you to fix the window in an open position. It is located in the top left part of the window, and slides into the bushing at the top of the side frame. It also can be used to keep the window secured when cleaning the external side of the glass.

Please select the window type and size code from the drop down menu below.

Velux Barrel Bolt

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more options ▼ 1Window Type need help?

ggl Centre-pivot GGL
ggu White Polyurethane Centre-pivot
gpl Top-hung GPL
gpu White Polyurethane Top-hung
ghl Pine Finish Top-hung GHL
ghu White Polyurethane Top-hung GHU

more options ▼ 2Window Size need help?

c04 C04 (mfd Apr 01 - Feb 14) £9.48
f06 F06 (mfd Apr 01 - Feb 14) £9.48
m04 M04 (mfd Apr 01 - Feb 14) £9.48
m06 M06 (mfd Apr 01 - Feb 14) £9.48
m08 M08 (mfd Apr 01 - Feb 14) £9.48
s06 S06 (mfd Apr 01 - Feb 14) £9.48

Help & Useful Information

How do I find which Window Type I have?

VELUX Type Signs (Data plate) explained

Every VELUX roof window carries a unique Type Sign that details the type and size of the window. In most cases the Type Sign is located at the top right-hand of the sash, behind the control bar.

Type Signs differ in appearance depending on the model of your VELUX window. Please identify and select the version of Type Sign on your window from the illustrations below:

Step 1 - Locating the type sign.

In most cases the Type Sign is located at the top right-hand of the sash, behind the control bar.

Locating the Velux Type Sign

Step 2 - Finding the codes.

Depending on the year your window was produced you'll find one of the type signs listed below.

Roof Windows delivered after 01 April 2001 can be recognised by a grey coloured type sign with the type being three letters (e.g. GGL) and a size code made up of one letter combined with two numbers (e.g. GGL-M08)

Roof Windows delivered from 01 April 1991 to 01 April 2001 can be recognised by a golden type sign with the type being three letters (e.g. GGL) and a size code made up of three numbers (e.g. GGL 308)

Roof Windows delivered before 01 April 1991 can be recognised by a silver sign with the type being three letters (e.g. GHL) and size code made up of a numbers 1 - 14 (e.g. GHL 2)