https://www.repairmywindowsanddoors.co.uk/st-neots-misted-double-glazing-repairs-near-me/ Why is My Double Glazed Unit Misting Up? When condensation forms on the outside of double glazing, it is not a problem In fact, it indicates that your windows are functioning effectively and retaining heat within your home. But when it occurs on the inside of your window panes, it is a problem that needs being addressed. If you notice moisture trapped between your windows, it indicates that the seals are failing. This can lead to higher heating bills and less insulation. This can be due to several reasons. 1. Faulty Seals Mist that forms on the exterior of your windows is usually caused by condensation that has gotten into the space between the glass panes. The condensation is usually seen as a cloudy layer and reduces the transparency of your window. The misting that occurs in double glazing is much more serious, and indicates that the seals of the insulating unit are failing. This is a sign that the seal is broken and water is leaking between the two glass panes. This causes the fogging, and reduces the efficiency of your window. Double glazing that is not functioning properly can affect the overall appearance your home, as well as the safety of your family. There are a myriad of reasons double-glazed windows can fail, such as natural aging and wear as well as a poor installation or issues with the design of your window frame. It is crucial to employ a reliable installer who can guarantee their work and will not affect any manufacturer warranties. One of the main reasons why your double-glazed units can fail is because they've become water damaged. This can be as an outcome of poor installation, or perhaps insufficient drainage and spacer blocks. The moisture will then seep into the seals, causing them to fail over time. This leads to condensation between the glass panes. The most common reason for failure of a double-glazed unit is that the desiccant in the unit is saturated