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Double Glazed Window Repairs Double glazing can be a great investment, but frustrating when it doesn't perform. Most problems can be repaired and you don't need to replace windows or doors. Double-glazed windows comprise two glass panels that are separated by a very thin gap, filled with insulating gas such as argon or krypton. RepairMyWindowsAndDoors improves the thermal efficiency of windows. Broken panes Double-pane windows are resistant to breaking than single-pane glass, they are still able to crack or shatter. It is crucial to repair a broken pane in double glazing as quickly as possible to avoid the loss of energy and moisture. You can choose either a temporary repair or more intensive epoxy fix depending on the degree of the crack. A temporary repair can aid in preventing further cracks, and will keep out cold air and rain. A more extensive repair could reinforce the crack and create an improved seal. To replace a double-pane broken window, remove the frame and place it on an even surface. Install a grid of duct tape over the pane to stop glass fragments from falling off during removal. Once the tape is in place, pull the old double pane glass out of the frame. Next clean the grooves and rabbet with a wire brush and vacuum or wipe them with a damp cloth. Remove the wood molding if needed and scrape away all metal glazing points or putty prior to putting in the new pane. Finally, apply a silicone caulk over the rabbet and grooves in order to ensure an ideal fit. If you want to repair damaged windows yourself, start by sanding the rabbet until it's smooth and free of paint or gunk. You can also use a heat gun to soften any glazing or putty points. Once the rabbet has been cleaned the putty knife can be used to push a rope of putty into place. Make sure that the putty has an even thickness, and that it presses evenly against the glass and frame. If you prefer a long-term fix the repair of an epoxy is a better option over replacing it. This requires more work and a longer wait time but it's more appealing and last much longer than a short-term repair. Condensation Condensation is a typical issue with double-glazed windows however that doesn't mean they're not functioning properly. It's a good thing your windows are showing signs of condensation. This indicates that your double glazing is working just as it is supposed to, preventing the cold and keeping in the heat. When you notice condensation developing on the outside of your window it is actually water vapor from inside of your home that has cooled down and condensed on the surface of the glass. It's a natural process and it's not something that's likely to cause any damage to your windows unless you let it sit on the glass for a long time. The reason for condensation inside is usually too much humidity or low temperatures in the room. This creates cold surfaces, like windows which draw in moisture that is high in dewpoint (the temperature where water turns into a liquid). The steam from showers, kettles and hot pots and cookers can also cause humidity around bathrooms and kitchens. Avoid hanging wet clothing near windows and make sure your uPVC frames are ventilated to prevent the buildup of moisture. You should also ensure that your double glazed windows are properly insulated and fitted, with the correct gap (6mm is the ideal) for optimum energy efficiency. You could also consider adding air vents that are one-way to your windows to increase insulation. If you're still seeing condensation, there's a problem with your gaskets or seals. This is a job that should be left to a professional. Draughts A draughty window is an indication that the seal between the glass panes of your double glazing has sprung a leak, and it's likely to require replacement. This can affect the insulation of your home and can result in an increase in your energy bills, so it's important to act as soon as you notice this issue. Window repair services can replace your sealed unit, restoring efficiency to your windows. They can also upgrade your existing frames to include new energy saving features, like gas filled argon glass units that have thermal spacer bars that will cut down on the loss of heat and reduce your heating bills. It is also worth checking the locking mechanisms of your double-glazed windows. Older uPVC window locks are known for becoming stiff with time however, it's simple to fix this by applying regular oiling with a specialist uPVC cleaning product. Having a professional double glazing company perform your repair work will ensure that the work is completed correctly. They'll have the proper tools to ensure that your window is sealed and watertight. They'll also be able fix any other damages to your frame so you can enjoy your stunning new double glazing with confidence. Double-glazed windows are durable and durable, however they can sometimes develop problems because of wear and tear or weather. If you spot any of the issues mentioned above make contact with your local double glazing repair service right away to fix them in the shortest time possible. You'll be glad you did it – a double glazing installation that's well-maintained will give your house a an immediate sense of quality and will save your energy costs! Smudging Double-glazed windows consist of two panes that have an air or spacer dense gas between them to create an effective seal that prevents heat from passing through the frame. They're an excellent choice for saving energy and reducing the carbon footprint. However, double glazing may experience a variety of issues that can affect its performance and endurance. These include fog, condensation, and being difficult to close or open. If you're having difficulty opening your double-glazed windows it could be because of the weather. It could also be due to a issue with the hinges or handles. It is possible to solve the issue by lubricating and wiping down the windows with cold water. Contact the company that sold you the windows as soon as you can have them fixed. If your doors or windows have sagged or dropped over time, this is another common problem that can be fixed by an experienced professional. It is always worth checking your warranty to see whether any repairs are covered. Fogged or foggy glass is caused by moisture between panes. It's usually a sign that the seals are faulty or that your double-glazing unit needs to be replaced. It's a fairly simple fix and you'll often complete the task without the need to replace the entire window, which will reduce the cost of replacement. To fix this problem technicians will make small holes to release any moisture between the glass and the rest the window. After the moisture has been removed the new antifog coating is put on and the window is sealed. Sometimes, the window might need to be removed before this can happen however most of the time it is done within the home. Mist Double glazing that is older may have a mist issue particularly when it happens both within and outside the window. It is caused by an issue with the seal designed to prevent moisture and air between the two panes. When making double-glazed units this seal is created by sealing both panes using an airtight polysulphide or butyl seal around the edges of the glass as well as a spacer bar. This seal is designed to prevent the window from leaking and provide insulation. If you have misted double-glazed windows, it may be difficult to remove and clean, since you will need to break the hardened seal to clean. The issue with mists is that they allow moisture to enter which causes condensation between the glass panes. This is due to huge differences in temperature between the external and internal surfaces of the glass. The moisture gets trapped in the spaces, creating a milky appearance. This can be extremely unsightly, and can be difficult to get rid of. Some firms claim to be able to repair misting double-glazed windows by drilling holes into the unit and injecting a chemical through the holes, which absorbs moisture from the inside. It's not permanent solution and it's more cost-effective to replace your entire double-glazed unit. The best way to prevent misty double glazing is by making sure you have adequate ventilation and cleaning your windows regularly. Make use of extractor fans to minimize the buildup of moisture in kitchens and bathrooms. Clean windows using a moist cloth to avoid this. If you can't avoid the issue, we suggest replacing windows that are double-glazed with A-rated units to improve energy efficiency.