https://www.repairmywindowsanddoors.co.uk/stroud-misted-double-glazing-repairs-near-me/ What Causes a Misty Window? If your windows in your home or apartment fog up and cause a lot frustration. It is simple to fix the problem and prevent it from happening again if you understand what causes it. Many people recommend dehumidifiers to eliminate moisture. However, this does not fix the root of the problem the cause is seal failure. Moisture Buildup The most common cause of foggy or misty windows is moisture, particularly in older homes with double or single-glazed window frames. These kinds of windows were designed to keep heat inside your home while preventing cold air from getting in, but they can also lead to condensation and moisture build-up. If left unchecked this can lead to damage to the glazed or glass surface of your window which could result in a more costly repair or replacement of the window. Moisture build-up is typically caused by cold and warm air interacting and causing condensation to build up on the window. This is more common in homes with high humidity levels. However, it can also happen if your window seal is damaged or faulty. Every day you add between four and five pints of water to the air each time you boil or cook your water. Showers and tumble dryers, as well as watering plants in the house all add to the indoor moisture. Even breathing in and out creates a small amount of water vapour. The air in your home is saturated with water vapour and as it cools, it will liquefy any surface it comes in contact with including your windows. If you have a double or triple-pane window and notice condensation between the panes, it is likely that the window's seal is damaged or broken. In most cases, there is a spacer held between two glass panes and this will be designed to absorb any moisture in the space. This spacer is typically invisible, but it can be identified by gently shining a flashlight at the window to look for any streaks or dark spots. If th