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How to Repair Double Glazed Windows Double glazed windows often come with either 10 or 20 year warranties so be sure to verify the type of cover you have. Repairing your double glazing is less expensive than replacing it, and can help to save energy and money too. It could be that the sealant between the glass panes has failed if you have misted double glazing. This happens when the windows are damaged or worn out. It can be costly to replace. 1. Glass chipped or cracked A cracked or chipped double-glazed window is a frequent problem that can cause condensation between the two panes of glass in your home. In the majority of instances replacing the glass unit is required especially when one or both panes have been shattered. However, if the frame is in good shape, repairing one glass pane may be a viable alternative. Repairing cracks is simple and quick using masking tape or duct tap. One strip of tape should be sufficient to seal superficial cracks such as stress fractures caused by temperature differences. For more serious cracks, such as those caused by collision, it is recommended that the tape be extended over the entire length the crack to ensure it will keep the glass in place. A solvent-based glass glue is a different alternative for a permanent fix. This is usually applied to both the inside and outer surfaces and then spread using a putty blade. This method is more time-consuming however, it is more effective in stopping cracks from spreading. If the cracks are severe or have occurred over a period of time you might want to wait to hire a professional to fix your windows. This will give you a more durable finish. If the cracks don't seem to be excessively severe and they aren't causing water leaks, it may be best to use the quick repairs. They can keep costs down. A more permanent solution to fix a crack in a double-glazed window is by applying a two-part epoxy resin to the affected area. The glass's surface must be cleaned using a moist cloth, and then allowed to completely dry. Then, mix the resin and hardener according to the directions on the package and then apply it to the crack with a putty knife. After it has dried completely it is possible to paint over the putty and the surrounding frame to create a seamless surface. 2. Water Leaks Whether your double glazing has been getting leaky or you've noticed condensation between the glass panes, both of these issues can often be repaired without needing to replace your windows. The issue isn't with the uPVC or aluminum frames of windows, but rather the glass unit that is insulated is positioned between them. The IGU is comprised of two glass sheets which are separated by a spacer bar and then filled with an insulating gas kind of like a glass sandwich. The ideal situation is that the gap is airtight, and this is what helps keep cold air out of your home, and energy from heating and your home warm. Seals in the IGU will weaken as time passes, and when temperatures vary. Water leaks can be identified by observing the presence of moisture on the sill and window frame, discoloration or an unpleasant smell. If you observe any of these, you need to contact an expert for immediate repairs. If you have condensation on the outside of your double-glazed windows, it's likely due to high humidity levels in your home. This is a natural phenomenon that can occur in winter, but is not caused by defective double glazing, however it can be. However, if there is moisture in between the glass panes of double-glazed windows, it is a sign that the IGU has failed and is not functioning as it is supposed to. Moisture between the glass panes isn't just unattractive, but it also decreases the effectiveness of double glazing since it no longer keeps the cold out and the warmth in. There are several ways that this problem can be resolved, but it's generally best to leave it to the experts. They'll drill small holes into the glass pane affected and inject or pump into a desiccant. Then, they'll use an antifogging agent which will stop the condensation from returning. They can then blow hot air into the hole to dry it out further. 3. Draughts The airtight seal double-glazed windows have stops condensation from building up between the window panes, but over time, the seal may begin to fail. If this happens, you may notice a cold draught entering through the door or window. This could be annoying and cause a loss in energy efficiency. If your window is draughty, it's best to book repair services to have the seal replaced in the earliest time possible. Double glazing is a window type that features two glass panes inside a frame made of uPVC or aluminium. The primary component of a double glazed window is known as an IGU, or insulated glass unit (IGU) which comprises two glass sheets that are separated by an air gap that's filled with insulating gas. This creates a'sandwich glass' effect and helps keep your home warm and peaceful. It is very rare for modern double-glazed windows to break or be damaged but it's important to take care of them since they are a significant investment for your home. If you notice that your double-glazed window is getting difficult to open or close, it could be a problem in the hinges or mechanism. This can be easily solved by an UPVC specialist. If you notice that furniture near the double-glazed windows is discoloured or damaged, this could be due to the ultraviolet rays of the sun. upvc window repairs -glazed windows decrease the amount of sunlight that can enter your property. This helps protect your possessions and makes your home more comfortable. It is also important to verify the warranty that came with your double-glazed windows. Sometimes you can have your IGUs repaired or replaced according to the terms of your warranty. You can cut down on the cost of replacing your windows, and get the most value of your investment. This is especially true if the issue is caused by broken or misted glass, or a significant rot in the frames. It is essential to consult a UPVC expert to know what can be fixed and what cannot, before you go ahead with any repairs or replacements. 4. Haze Haze is among the most frequent problems encountered by double glazed windows. It is caused by the accumulation of moisture between the two panes of glass typically due to a broken seal. The haze may be caused by condensation or a problem with the window frame it is difficult to eliminate. However, it is possible to fix double glazed windows that are misty without replacing them. Use a dehumidifier to solve this issue, or try a packet of desiccant. If you're dealing with an issue that is serious or lasting it is recommended to speak with an expert. While uPVC window frames can be incredibly durable, they can still deteriorate over time, especially in the case of extreme cold or hot. This is normal, but it can cause issues like a squeaking or stiff window or door. Hiring a UPVC specialist is the best way to address these problems. Some companies will drill holes into the window and insert a desiccant to draw out any moisture. This is a great solution and is less expensive than replacement. However, it's important to remember that the hole will have to be plugged again after six months, and the moisture could return if there is a break in the seal elsewhere in the window. Another way to repair the problem of haze is to eliminate it with the mixture of vinegar and water or by using a commercial product specifically designed to address this problem. This is a more complex method than drilling holes into the window and putting in desiccant. However, it can be very efficient and doesn't require any replacement. Double-glazed windows are excellent for keeping heat inside your home, making it much more energy efficient, however they need to be maintained. It's worth calling a professional to help with repairs to double-glazing in Essex if you are having any of these issues. They'll be able ensure your windows are well maintained and can replace handles, hinges or locks for you if necessary.