Double Glazing Unit Repair If You have double glazing that appears cloudy or misty and isn't able to be cleaned, it's probably "blown". This happens when the space between the window panes expands due to the deterioration of the window seals. It is cheaper to replace the double-glazed unit instead https://lund-thybo.mdwrite.net/the-main-issue-with-double-glazed-window-repairs-near-me-and-how-you-can-fix-it-1707262390/