My super blog 6540

Can You Fix Blown Double Glazing and Improve Insulation?

If you have a window that fogs between the panes, looks permanently smeared, or feels colder than the rest of the house, there is a good chance the sealed unit has failed. People often call it a blown window, because the perimeter seal has blown out and let moisture creep into the insulating gap. It is a common problem in older uPVC, timber, and aluminium frames. It is also solvable, though not always in the way marketing flyers suggest. The right fix depends on what has fa