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How to Repair Double Glazed Windows Double-glazed windows usually come with either 10 or 20 year warranties, so make sure to check what cover you have. Repairing your double glazing is cheaper than replacing it and can save you energy and money on your bills as well. If your double glazing has misted it is likely that the sealant between the glass panes has failed. This is usually the case when the windows are worn or damaged and is costly to replace. 1. Glass chipped or cracked Double-glazed windows that have cracked or chipped can cause condensation to form between the two panes. In the majority of instances replacement of the glass unit is a must particularly if one or both panes has been broken. If the frame is still in good condition, then repair of one glass pane may be a viable alternative. Masking tape or duct tape are quick and simple methods of sealing cracks. One strip of tape will be sufficient to seal superficial cracks like stress fractures caused by temperature variations. For more serious cracks, such as those caused by impact, it's recommended the tape be extended across the entire length of the crack to ensure it can hold the glass together. Another alternative to a permanent solution is to use a solvent-based glass adhesive. This is usually applied to both the inside and outer surfaces, and then spread using a putty blade. This method can be more time-consuming however, it is more effective in stopping cracks from spreading. If the cracks are serious or have occurred over an extended period of time, it might be better to wait for a professional firm to repair the windows, since this could result in a more durable finish. If the cracks aren't very severe and aren't creating water leaks or leaks, it's better to stick with the quick fixes since they can keep the cost of repairs down. A more permanent way to repair a crack in double-glazed windows is applying an epoxy resin that is two-part to the area affected. The glass surface must be cleaned with a damp cloth, and then left to dry completely. Then, mix the hardener and resin according to the instructions on the package and apply it to the crack with the help of a putty knife. Once it has fully dried you can paint over the putty as well as the surrounding frame to create a seamless finish. 2. Water Leaks Whether your double glazing has been leaky or you've noticed condensation between the glass panes, both problems can usually be addressed without having to replace your windows. This is because the issue is not in the uPVC, aluminium or timber window frames themselves but rather in the IGU, or insulated glass unit (IGU) that is situated between them. The IGU is composed of two glass sheets that are separated by a spacer bar, and then filled with an insulating gas kind of like glass sandwich. The gap must be airtight to stop cold air from entering your home and to keep your home warm. However, over time and through various temperatures, the seals within the IGU will weaken and lead to leaks. Water leaks are easily identified by a number of signs including condensation on the window frame and sill discolouration, as well as the smell of musty. If you observe any of these, you need to contact an expert immediately for repairs. If you see condensation on the outside of your double-glazed windows, it is likely due to high humidity levels within your home. This is a common winter occurrence and is not caused by malfunctioning double glazing. If you see moisture between the glass panes of your double-glazed windows, this indicates that the IGU is not performing in the way it should. The presence of moisture between the glass panes is not just unattractive, it also affects the effectiveness of double glazing since it no longer keeps the cold out and the heat in. There are a variety of ways this issue can be solved, but it's best to leave it to the experts. They will drill small holes into the affected area of your glass unit that is insulated. They will then pump in or inject an desiccant in order to get rid of the moisture. upvc windows repairs near me will then apply a special anti-fogging agent to prevent condensation from returning. They may then blow hot air into the hole in order to dry it further. 3. Draughts The airtight seal that double glazed windows have stops condensation from building up between the window panes but over time, the seal could begin to fail. When this happens, you could feel a cold breeze coming in through the window or door. This can be a nuisance and result in a decrease in energy efficiency. If your windows are draughty it is recommended to schedule repair services to replace the seal in the earliest time possible. Double glazing is a kind of window that contains two glass panes inside a frame of uPVC, aluminium or timber. The principal element of a double-glazed window is known as an IGU, or insulated glass unit (IGU) which is made up of two glass sheets separated by an air gap filled with an insulating gas. This creates a 'sandwich of glass' effect and can keep your home warm and peaceful. Modern double-glazed windows are likely to not break or be damaged, but they still must be taken care of as a way to protect your investment. If you notice that your double glazed windows are becoming difficult to open or close, there may be an issue with the hinges or mechanisms, which can be fixed by an UPVC window expert. If you notice furniture near your double glazed windows is getting damaged or discolored it could be due to the UV rays that come from the sun. Double-glazed windows cut down on the amount of sunlight that can enter your property. This helps to protect your possessions and makes your house more comfortable. It's also worth checking the warranty that comes with your double glazed windows, as it is sometimes possible to have your IGUs repaired or replaced as per the guarantee. This will save you the expense of replacing your windows and help you get the most from your investment in the future. This is particularly true when the problem is caused by a damaged or misted glass or extensive rot within the frames. Before you do any repairs or replacements to your windows, it is important to speak with an UPVC expert. 4. Haze Haze is one of the most common problems with double-glazed windows. The entrapment of moisture between two panes is the most frequent reason. It isn't always easy to get rid of haze, regardless of whether it is due to condensation or a problem in the window frame. However, it is possible to fix double-glazed windows that have a mist without having to replace them. Use a dehumidifier to solve this problem or a packet desiccant. However, if you're dealing with a serious problem or have a long-term problem it's best to call in experts. Although uPVC window frames are incredibly durable, they can nevertheless deteriorate over time, especially when the weather is extremely cold or hot. This is normal, but it can result in problems such as an unsteady or stiff door or window. Engaging a UPVC specialist is usually the easiest way to fix these problems. Some companies will cut a hole in the window and insert desiccants to draw out any moisture. This is a viable option, and it is less expensive than replacing. It is important to remember that the hole will have to be filled again after six months. The moisture could resurface if there is a break in the seal elsewhere in the window. A commercial product or mixture of vinegar and water can be used to eliminate the haze. This is a more intricate procedure than simply drilling holes into the window and then inserting a desiccant, however it is possible to succeed and doesn't require any replacement. Double-glazed windows are the ideal way to keep heat in your home, and also make it more energy efficient. However, they need to be maintained. If you're experiencing any of the issues listed above, it's worth contacting a professional for help with repairs to your double glazing in Essex. They'll be able to ensure that your windows are maintained and will also replace hinges, handles, or locks for you when needed.