Repairing Double Glazed Windows When Double-glazed windows "blow", insulating argon escapes, causing the window to lose energy efficiency. The good news is, blowing double glazing is usually repairable without having to replace the windows. Moisture or condensation in between your double glazed windows is the most frequent indication that your https://www.repairmywindowsanddoors.co.uk/bletchley-windowrepair/