Double Glazing Window Repairs When your double glazing windows are faulty it is essential to get them repaired as quickly as you can. If the seals have been damaged, it can cause condensation, draughts and make your house less energy efficient. Repairing double glazing is usually cheaper than replacing it. http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1208965