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Double Glazed Window Repairs Double glazing is a great investment, but frustrating when it fails to perform. Most issues can be fixed and you don't need to replace windows or doors. Double-glazed windows consist of two glass panes separated by a very thin gap. The gap is filled with an insulating gas, such as argon. This improves the efficiency of windows. Broken panes While double-pane windows are more difficult to break than single pane glass, they can still break or shatter. It is important to repair the broken pane of double glazing as quickly as you can to prevent moisture and energy loss. You can select an immediate repair or a more intense epoxy fix based on the severity of your crack. A temporary repair can help prevent further cracking and keep out cold air and rain. A more extensive repair may make the crack stronger and provide more secure seal. To replace a broken double-pane window, remove the frame and place it on a flat surface. Then, place a grid of duct tape to the pane to stop glass pieces from falling off during removal. Once the tape is in place then pull the old double pane glass off of the frame. Then, use a wirebrush to clean the grooves and rabbets. You can also vacuum them or wipe them clean with a damp cloth. Remove the wood molding, if required and scrape off any metal glazing points or putty prior to putting in the new pane. Then, apply a silicone caulk over the rabbet and grooves in order to ensure an ideal fit. If you're trying to repair a damaged glass by yourself, start by sanding it until it's smooth and free of paint. You can also use a heating gun to soften any glazing or putty points. After the rabbet is cleaned then you can use a putty knife to push ropes into place. Make sure that the putty is of an even thickness, and that it presses evenly against the glass frame. If you're looking for a longer-term fix an epoxy repair is a better choice over replacing. This method requires more effort and a longer time to wait, but it can be more appealing and last much longer than a temporary repair. Condensation Condensation is a typical problem with double-glazed windows, but that doesn't mean they are defective. It's a good thing that your windows show condensation. This means that the double glazing is functioning exactly as it is supposed to, keeping out the cold while allowing the heat. If you notice condensation appearing on the outside of your windows, it is actually water vapor coming from the inside of your home that has cooled and condensed on the surface of the glass. It's a natural process and it's not something that's going to cause any damage to your windows unless you allow it sit on the glass for too long. Internal condensation is usually caused by excessive humidity in the room or by low internal temperatures, which causes cold surfaces, like windows, to attract moisture from the air with high dew points (the temperature at which water turns back into liquid). The steam from showers, kettles, and hot pots and saucepans used in cooking can also create humidity in kitchens and bathrooms. To prevent condensation, try not to hang wet clothing close to your windows. Also, make sure that your uPVC frames have plenty of air circulation to prevent the build-up of moisture. It is also important to ensure that your double-glazed windows are properly insulated and fitted, with the proper gap (6mm is best) to ensure maximum energy efficiency. upvc window repairs can also install one-way air vents to your windows to increase the insulation. If you still get condensation, there is likely a problem with your gaskets or seals. This is a task that should be left to an expert. Draughts A double-glazed window that is draughty is an indication that the seal between the glass panes has failed and needs to be replaced. This could affect the insulation of your home, and can increase the cost of energy. A window repair service will replace the sealed unit for you, while restoring the effectiveness of your windows. They can also replace existing frames with energy-efficient features, including argon-filled glass units and thermal spacer bars that reduce heat loss and lower your heating costs. Draughts can be caused by problems with the locking mechanisms of double-glazed windows It's a good idea to have these checked out. Older uPVC window locks are infamous for becoming stiff over time however it's easy to fix this by regular lubrication using a specialized uPVC cleaning product. A reputable double glazing company will ensure that the repair is completed correctly. They will have the right tools to ensure that your window is resealed and watertight. They can also fix any damage to the frame so that you can take advantage of your new double glazing. Double glazed windows are long-lasting and durable, however they can sometimes develop problems as a result of wear and tear or weather. If you spot any of the above problems contact your local double glazing repair company immediately to have them repaired as soon as you can. You'll be grateful that you did it. A double glazing installation that is well-maintained will give your house a an impression of quality, and will also save your energy costs! Smudging Double-glazed windows consist of two separate panes, with an air spacer or dense gas between. This creates a strong seal that stops heat from escaping through the frame. They're an excellent choice for saving energy and reducing your carbon footprint. However, double-glazed windows can have a range of issues that may affect its performance and longevity. This includes fog, condensation, and difficulty closing or open. If you're having difficulty opening your double-glazed windows it could be because of the weather. It could also be a issue with the hinges, or handles. It is possible to solve the issue by wiping down and lubricating the windows with cold water. Contact the company that supplied you with windows as soon as you can fix them. If your windows or doors have become sagging or dropped over time, this is a frequent issue that can be easily fixed by a trained professional. Also, make sure to check the warranty to see what, if any, repairs are covered under this. Fogged or foggy glass could be caused by condensation between the panes and is usually an indication of damaged seals or a double-glazing system that needs to be replaced. It's a relatively straightforward fix and you can often complete the task without having to replace the entire window, which will reduce the cost of replacement. To resolve this issue, a technician will drill small holes to vent any moisture between the glass and the rest the window. After the moisture has gone, a new anti-fog coating will be applied and the window sealed. Sometimes, the window may need to be taken off however, in the majority of instances, it can be done at home. Mist Mist can be a huge issue with older double glazing, specifically when it is present on the inside and outside of the windows. This is caused by a failure in the seal that is designed to hold air and moisture out between the two panes. When making double-glazed units this seal is created by sealing both panes with an airtight polysulphide or butyl seal around the edges of the glass and the spacer bar. This seal is designed to keep the window from leaking and provide insulation. It can be difficult to clean windows with mist because you have to break the seal in order to do so. The problem with mist is that it lets moisture in which eventually results in condensation between the panes of glass. This is due to huge differences in temperature between the internal and external surfaces of the glass. The moisture is trapped in the gaps, giving a milky appearance. This can be very unattractive and is difficult to remove. There are many companies who claim they can fix your double-glazed windows that are misting by drilling holes into the unit and injecting chemicals through the holes, which absorbs the moisture inside. But, this isn't a permanent solution and it is much more efficient to replace the whole double-glazed unit in the event that you are experiencing misting. It is recommended to keep your windows clean and ventilated regularly. It's also an excellent idea to install extractor fans in bathrooms and kitchens and wipe windows with an damp cloth to minimize the build-up of moisture. If you are unable to eliminate the problem completely, we recommend replacing your double-glazed units with new A-rated ones to boost the efficiency of energy.