If nearly anything, double-glazed windows can't be repaired by a homeowner; which is, it's impossible to cut the glass and in good shape it in to the frame, as you'd probably do with solitary-pane windows. Over and above insulation and sounds reduction, double glazing also helps cut down condensation buildup https://glazing-options00655.angelinsblog.com/33955441/the-definitive-guide-to-windows