The following notice has been issued by the manufacturer:
VELUX issued a product warning in June 2011 in relation to a minor risk of spontaneous glass breakage in VELUX windows of a specific type, size and age. For further information please click on our dedicated product warning site below. If you have experienced a pane breakage or are concerned that you have a window that may be affected by the product warning please contact us immediately with the approximate size and age of the window. Glazing that is subject to this product warning will be replaced free of charge regardless of the product being out with the 10 year guarantee period.
Please contact us on 0800 980 7030 or complete your details in our contact form (http://www.velux.co.uk/help-and-advice/product-pane-warning) below, our service provider Glassolutions will deal with your query.
*Please note if you are a customer from Northern Ireland please call us on 01592 778225 or alternatively email firstname.lastname@example.org
In this instance, cold temperature is a known factor in increasing the risk of breakage. Where possible please avoid opening your window if the weather is unusually cold. VELUX apologize for any inconvenience caused and we will endeavour to rectify the problem as soon as possible.
If you have a record of your VELUX window codes, please enter all codes. If you do not have a record of your VELUX window codes, please enter the approximate age and size of all VELUX windows in your property.
A full guide is provided on the pane warning website of the next steps to take.
Pane warning website: http://velux-pw.velux.co.uk/