https://www.repairmywindowsanddoors.co.uk/swindon-misted-double-glazing-repairs-near-me/ Clear Up Misted Up Double Glazing It is normal for double-glazed windows to display condensation on the outside. This is a sign they are working properly. Condensation inside the glass panes however, is a different story. Double glazing that has a misty appearance is more than a nuisance; it can be an indication that the seals on your insulated window unit have deteriorated or broken down. Seals It is normal for condensation to form on the outside of double glazing. This is an indication that your windows work well. This is because the air outside is reaching its dewpoint quicker than your glass. If your windows are leaking on the inside it is a greater issue and you need to investigate it. The reason is that misting up on the interior of your windows usually suggests problems with the seals and that water has gotten into the gap between the two panes of glass. Window seals wear out over time due to ageing and general wear and tear. They also degrade if they are exposed to harsh cleaning chemicals which can cause damage to the material. Incorrect window installation could cause misting if the installer did not use the correct fixing methods or fit the frame or insulated panels properly. A spacer bar can be used to fill the gap between two panes within windows with double glazing. This creates a thermal barrier, and also acts as an insulation. The spacer bar is sprayed with a special desiccant, which absorbs moisture and keeps the gap dry. The condensation happens when the spacer bar becomes damaged or worn out and the water in the gap is able to get past the seals. Double-glazing that's poorly installed and maintained may cause condensation and damp however it could also reduce the energy efficiency of your home. The windows that are not properly installed allow cold air to enter and warm air to exit which means you'll be spending more money heating your home. If your windows ar