https://www.repairmywindowsanddoors.co.uk/witney-misted-double-glazing-repairs-near-me/ Clear Up Misted Up Double Glazing Condensation on the outside of double-glazed windows is normal and a sign that they're functioning as they ought to. Condensation within the glass panes however, is a different story. Double glazing that has a misty appearance is more than just an eye-sore; it can be a sign that the seals on your insulated window unit have deteriorated or broken down. Seals If condensation develops on the outside of your double glazing It is perfectly normal and a indication that your windows are working well. The reason for this is the air outside warming up more quickly than your glass and reaching its dew point. If your windows start to mist on the inside it is a greater problem and you must address it. The reason is that misting up on the inside of your windows typically suggests an issue with the seals and that water has gotten through the gap between the two glass panes. The windows' seals wear down over time because of ageing and wear and tear. They also deteriorate if they are exposed to harsh cleaning chemicals which can cause damage to the material. Incorrect window installation can lead to misting, as the installer may not have utilized the proper fixing techniques or installed the frame and insulated panels correctly. A spacer bar is used to fill in the gap between two panes within a double-glazed window. This creates a thermal barrier and also acts as insulation. The spacer bar is sprayed with a specific desiccant 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 is poorly installed and maintained may cause damp and condensation however it could also reduce the energy efficiency of your home. This is because defective windows let cold air in while letting warm air out, which can cause you to pay more for h