Repairing Double Glazed Windows When Double-glazed windows "blow" the insulating argon escapes, causing the window to lose its energy efficiency. The good thing is that double glazing can be repaired without the need to replace your windows completely. Condensation or moisture in between your double-glazed windows is the most common https://www.repairmywindowsanddoors.co.uk/chesham-windowrepair/