How to repair double glazed sash windows repair [reviews over at F O G]
Double glazing is typically covered by a warranty for 10 or 20 years. If your double-glazed windows show signs of aging, you might be entitled for them to be fixed under warranty.
Double-glazed window repairs involve resealing the existing glass unit. Misting is a clear sign that the seal is broken and you will need to lock repair it.
Glass that is damaged
A seal that is airtight is vital for double pane windows to work properly. The most typical indication that a seal is not working is when condensation forms between the glass plates. Condensation between glass plates are not a major issue and can be resolved however, it's an indication that your glazing unit requires replacement. If you have an older double glazing windows repair-glazed window, it could require replacing both the glass and the frame. If the frame is in good shape, however, you can usually save money by replacing only the glass.