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Double Glazed Window Repairs Double glazing is a great investment for your home, however it can be frustrating when it isn't working correctly. Fortunately, most issues can be fixed and you don't need to replace your windows or doors. Double glazed windows consist of two glass panels that are separated by a thin gap, which is filled with insulating gas, such as Krypton or argon. This increases a window's efficiency. Broken panes Double-paned windows are less likely to break than single panes of glass, however they are still susceptible to shattering or crack. When a pane becomes broken in your double-glazed windows, it's essential to repair it immediately to prevent moisture and energy losses. Depending on the severity of the crack, you may choose to fix it with a temporary fix or opt for an intensive repair using epoxy. A temporary repair can aid in preventing further cracking and will keep out cold air and rain. A more extensive repair could reinforce the crack and create an improved seal. To replace a broken double-pane window, take the frame off and place it on an un-slip surface. Then, place a grid of duct tape to the pane to prevent any glass pieces from falling off when you remove it. After the tape has been removed, take the old double-pane glass from the frame. Then you can use a wirebrush to clean the grooves and rabbets. You can also vacuum or wipe them clean with a damp cloth. Remove the wood molding if needed and scrape away all putty or metal glazing points prior to installing the new pane. Apply silicone caulk into the grooves and rabbets to ensure a tight fit. If you want to repair damaged windows yourself, start by sanding the rabbet until it's smooth and free of gunk or paint. Heat guns can be used to soften any putty or glazing points. After the rabbet has been cleaned and sanitized, a putty knife may be employed to press a rope of putty into position. Make sure that the putty is a uniform thickness and is pressed against the glass and the frame evenly. If you want the long-term solution you can choose an epoxy repair instead of replacing. This option requires more work and takes longer, but it can be more attractive and will last much longer than a quick temporary repair. Condensation Condensation is among the most frequent double-glazed window problems, but it doesn't necessarily mean your windows aren't working properly. It's good to know that your windows show condensation. This means that the double glazing is functioning exactly as it should, keeping out the cold and keeping in the heat. It's actually water vapour from your home that condenses on the surface of your glass when you notice condensation. It's a normal phenomenon and it's not something that's going to cause any damage to your windows unless you let it sit on the surface for too long. The reason for internal condensation is usually a lack of humidity or low temperatures in the room. This creates cold surfaces, like windows, to draw in moisture that is high dewpoint (the temperature at which water transforms into liquid). The humidity is also a common occurrence in kitchens and bathrooms due to the steam that comes from kettles, showers, and hot pans and pots that are used for cooking. 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 accumulation of moisture. You should also make sure that your double-glazed windows are correctly insulated and installed with the correct gap (6mm is the ideal) to maximize energy efficiency. You can also add one-way air vents on your windows to increase insulation. If you're still seeing condensation, it's likely an issue with your seals or gaskets. This is a task best left to a professional. Draughts A draughty window is a sign that the seal between the glass panes of your double glazing has started to leak, and is likely to require replacement. This can affect the insulation in your home and increase energy bills. A window repair service will replace the sealed unit for you, restoring the efficiency of your windows. They can also modify your existing frames to include new energy saving features, such as gas filled argon glass units with thermal spacer bars, which will reduce heat loss and lower the cost of heating. It's also worth examining the locking mechanisms of your double-glazed windows. It's normal for older uPVC window lock mechanisms to stiffen with age. This is easily fixed by regularly lubricating the locks with a specialized uPVC cleaner. Having a professional double glazing company carry out your repair work will ensure that the repair is done correctly. They'll have all the tools necessary to ensure that your window is watertight, and completely sealed. 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, but they can sometimes develop problems due to wear and tear or weather. Call your local double-glazing repair services as soon as you notice any of these issues. You'll be grateful that you did. A well-maintained double glazing installation will give your house that tangible feeling of quality, and will also save you money on your energy bills! Smudging Double-glazed windows consist of two separate panes with a spacer, air or dense gas between them to create an effective seal that stops heat passing through the frame. They are a great way to save energy and decrease your carbon footprint. However, double glazing may experience a variety of issues that could impact its performance and durability. These include condensation, mist, and being difficult to open or close. The difficulty in opening your double-glazed windows could be due to the weather, or it could be due to a problem with the hinges or handles, or the mechanism. Cleaning them with cold water and lubricating them can ease the problem, but you must contact the company that you purchased windows from as soon as possible to have it fixed. This is another common problem which can be easily fixed. It is always worth checking your warranty to see if there are any repairs covered. Fogged and foggy glass can be caused by moisture in the panes and is usually an indication of damaged seals or a double-glazing unit that needs to be replaced. It's a fairly simple fix and you can often do it without the need to replace the entire window, which can reduce the cost of replacement. To address this issue technicians will make small holes to release any moisture between the glass and the rest the window. Once the moisture is gone the new anti-fog coating is applied and the window sealed. Sometimes, the window will need to be removed prior to this happens but the majority of the time, it is done from the inside of the home. Mist Mist can be a major problem with older double glazing, especially when it happens on the inside and outside of the windows. This is due to a failure of the seal designed to keep moisture and air between two panes. When making double-glazed units this seal is created by sealing both panes with an airtight butyl or polysulphide seal around the edges of the glass as well as a spacer bars. This is designed to provide insulation and keep the window from leaking. It isn't easy to clean windows with mist because you have to break the seal in order to clean them. The issue with mist is that it allows moisture to enter, which ultimately causes condensation between the panes of glass. This is because there is huge differences in temperature between the external and internal surfaces of the glass. upvc repair gets trapped in the spaces, creating a milky appearance. This can be extremely unsightly and is difficult to get rid of. There are several companies that claim that they can fix your double-glazed windows that are misting by drilling holes into the unit and injecting chemicals into the holes. Then, they absorb the moisture within. It's not an end-to-end solution and it's easier to replace your entire double-glazed unit. The easiest way to prevent misty double glazing is by keeping a good level of ventilation and cleaning your windows regularly. It's also a good idea to use extractor fans in bathrooms and kitchens and wipe windows with a damp cloth to prevent the build-up of moisture. If you're not able to eliminate the problem completely we suggest replacing your double-glazed units with new A-rated ones to boost the efficiency of energy.