https://www.repairmywindowsanddoors.co.uk/hounslow-misted-double-glazing-repairs-near-me/ Misted Double Glazing Repair Double glazing that has mist is a common problem for homeowners. It's an indication of the need to replace the window. The good news is that it's typically repairable. Double glazing is comprised of two glass panes that are sealed with an air gap (sometimes Argon gas is used) to create an insulating layer and prevent heat from being lost. If this seal is not maintained, it could cause condensation build up. Glass unit repair or replacement If you notice misting on the outside of your double glazing it's normal and happens when the air is warming up faster than your glass, such as early in the morning. This causes the air to reach its dew point and start to condense. If this happens on inside of the window, it is typically a sign that the sealed unit has blown. This is a serious problem that can be difficult to fix and may require the replacement of the entire window or glass panes. A professional window installer will be able to visit your home and advise you on the best course of action. There are many ways to fix a blow-up window however the most efficient is to replace the glass panes. It is generally less expensive than replacing the entire window and you might be capable of upgrading to a better-rated glass to make your home more energy efficient. A reputable company will give you a full warranty for the replacement, and should be able to give you a free quote with no obligation. De-misting agents are a cheaper alternative. They work by drilling a small opening within the glazed unit. The pump then pumps dry substances into the gap between glass to help absorb moisture. This is only a temporary fix, and leaves windows susceptible to condensation in future, since the granules in the spacer bar have been soaked with moisture. Another common method is to heat the frame and glass to get rid of any moisture however this is only effective for a short