Double Glazing Window Repairs If your double-glazed windows are defective and you need to fix them as soon as is possible. If the seals are broken it can cause draughts and condensation and make your home less efficient in energy use. Repairing double glazing is usually cheaper than replacing it. http://srv29897.ht-test.ru/index.php?subaction=userinfo&user=dressisrael22