https://www.repairmywindowsanddoors.co.uk/northampton-misted-double-glazing-repairs-near-me/ Repairing Misted Double Glazing If your double glazing is misty, it's not only an eye sourness - it could mean there is an issue with the seals between the glass panes. A damaged seal lets water vapour to enter, reducing the window's insulation capabilities and increasing energy bills. While renewing the sealant is one option replacement of the glass unit is generally preferred for a long-lasting resolution. This allows homeowners to improve their windows by using A-rated energy efficient glass. Damage to the seals Double glazing that is misty isn't just an unsightly issue, it can also indicate that your windows aren't sealed or aren't properly insulated or sealed. This could cause draughts to form around your windows and increase your energy bills because you'll need to heat your home more often to keep it warm. It is crucial to act quickly if your double glazing starts to fog. There are a variety of options to solve this issue and they don't have to cost a fortune. The cause of misty double glazing is due to water vapour that has condensed between the glass panes. This happens when the air in a room becomes too humid or when the cold surface (such as windows) is in contact with a warmer one. In both cases the humidity is sufficient to fill the anti-moisture granules (similar to the silica gel you find in the new shoe boxes) within the bars that make up the spacers of your double-glazed unit leaving it saturated and unable to dry out the water between the two glass panes. It's difficult to replace these granules since they are embedded in the sealant that is damaged by wear and tear or damage that occurred during the installation. It's important to note that no sealant can be 100 100% effective, and it's expected that a small amount water will get into the seal over time, just as Argon gas and air will leak out. The best way to avoid misting is to ensure that the space betw