https://www.repairmywindowsanddoors.co.uk/stratford-misted-double-glazing-repairs-near-me/ Clear Up Misted Up Double Glazing Condensation on the exterior of your double-glazed windows is common and is a indicator that they're functioning just as they ought to. The condensation inside the glass panes however it's a different story. Double glazing that has a misty appearance is more than an eyesore It could be a sign that the seals on your window unit's insulated seals have broken down or deteriorated. Seals When condensation forms on the outside of your double-glazed windows This is normal and a indication that your windows are operating well. It is caused by the air outside heating up faster than the glass and then reaching its dew point. However, if your windows are getting misty on the inside this is a bigger issue and something you'll have to address. The reason is that misting up on the inside of your windows typically suggests an issue with the seals, and that water has made its way through the gap between the two glass panes. Window seals degrade as time passes due to ageing and general wear and wear and tear. They also degrade when exposed to harsh cleaning chemicals, which can damage the material. Incorrect window installation could cause misting because the installer did not use the correct fixing methods or fit the frame or insulated panels correctly. A spacer bar is used to fill the gap between two panes within windows that are double-glazed. This creates a thermal barrier, and also provides insulation. The spacer bar is coated with a desiccant that is specially designed, which absorbs moisture and keeps the gap dry. The condensation occurs when the spacer bar is damaged or worn-out, and the water inside the gap is able to pass through the seals. Double-glazing that's poorly installed and maintained may cause condensation and damp however it could reduce the efficiency of your home. Faulty windows allow cold air to enter and warm air to escape which means