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How to Repair Double Glazed Windows Double-glazed windows are often covered by warranties that last for 10 or 20 years. Make sure to verify the warranty. Repairing double glazing can be cheaper than replacing it, and will save you money and energy. It could be that the sealant between your glass panes has failed in the case of misted double glazing. This occurs when the windows are worn or old. It could be expensive to replace. 1. Glass that is chipped or cracked Double-glazed windows that have damaged or cracked can cause condensation to develop between the two panes. In the majority of cases, it's required to replace the entire glass unit, especially if both or one pane has been broken. If the frame is in good condition, repairing only one glass pane could be a viable option. Masking tape or Duct tape are quick and simple methods to seal cracks. upvc window repair of tape will suffice to seal superficial cracks, such as stress fractures caused by temperature differences. For more severe cracks, like those caused from collision it is recommended that the tape is extended over the length of the crack in order to ensure that it will keep the glass from splitting. A solvent-based glass glue can be another option for permanent repair. This is usually applied to both the inner and outer surfaces and then spread using the help of a putty knife. This method takes longer, but more effective in stopping cracks from spreading. If the cracks have been severe or have been present for several years it is recommended to put off hiring an expert to repair your windows. This will give you a more durable finish. If the cracks don't seem to be too severe and they aren't causing water leaks, it could be best to use the quick solutions. They can help keep costs down. Applying a two-part epoxy to the crack will make it more permanent. The glass surface should be cleaned with a damp cloth, and then allowed to completely dry. Mix the hardener and resin as per the directions on the packaging. Apply the mixture to the fracture using the putty blade. Once the putty has dried, you can paint the frame and putty to create a seamless look. 2. Water Leaks Whether your double glazing has been leaking or you've noticed condensation in between the glass panes, both issues can often be repaired without the need to replace your windows. This is because the problem is not with the aluminium, uPVC or timber window frames but in the IGU, or insulated glass unit (IGU) which is located between them. The IGU is made up of two glass sheets which are separated by a spacer bar and then filled with an insulating gas – similar to glass sandwich. The gap should be airtight to stop cold air from entering your home and keep your home warm. Unfortunately, over time and with different temperatures, the seals inside the IGU will weaken and lead to leaks. You can identify water leaks by looking for moisture on the sill and window frame, discoloration and an unpleasant smell. If you spot any of these, you need to get in touch with an expert for immediate repairs. If you have condensation on the outside of your double glazed windows, it's likely due to the high humidity levels in your home. This is a typical winter phenomenon and is not caused by faulty double glazing. However, if there is moisture in between the panes of glass in your double-glazed windows this means that the IGU has been damaged and isn't functioning as it is supposed to. The presence of moisture between glass panes doesn't only looks bad but also reduces your double glazing's efficiency as it is no longer able to keep cold out and heat inside. There are several methods that this issue can be resolved, but it's generally best to leave it to experts. They will drill small holes into the affected pane of your insulated glass unit and then inject or pump in desiccant to eliminate all of the moisture and then apply a special anti-fogging agent to prevent condensation from returning. They may then blow hot air into the gap to dry it further. 3. Draughts Double-glazed windows are fitted with an airtight seal that prevent condensation from forming between the panes. However the seal could begin to fail as time passes. You might notice the cold breeze coming through the door or window when this occurs. This can be very annoying and can cause a loss of energy efficiency. If your windows are draughty, it is recommended to contact an repair service immediately to fix the seal. Double glazing is a type of window that has two glass panes in the frame made of uPVC aluminum, or timber. The main element of a double-glazed window is known as an Insulated Glass Unit (IGU) which is composed of two sheets of glass separated by an air gap that's filled with an insulating gas. This creates a 'sandwich of glass' effect and can keep your home warm and quiet. Modern double-glazed windows are likely to not break or be damaged, but they still need to be looked after as a way to protect your investment. If you notice that your double-glazed windows are becoming difficult to open or close, there might be an issue with the hinges or mechanisms which can be fixed by a UPVC window expert. If you're noticing that furniture closer to the double glazed windows are becoming discoloured or damaged it could be caused by ultraviolet rays of the sun. Double-glazed windows limit the amount of sunlight that enters your home and safeguard your possessions and makes your home much more comfortable. It is also important to verify the warranty that came with your double-glazed windows. Sometimes, you can have your IGUs replaced or repaired under the terms of your warranty. This can save you the expense of replacing your windows and help you maximize the value of your investment in the future. This is especially true when the issue is caused by a single broken or misty pane, or extensive decay of the frames. It's important to speak with a UPVC expert to find out what can and cannot be fixed before you go ahead with any repairs or replacements. 4. Haze Haze is among the most common problems with double glazed windows. The entrapment of moisture between two panes is the most frequent reason. If the haze is caused by condensation or due to an issue with the frame of the window it can be difficult to get rid of. It is possible to fix misted double-glazed windows without having to replace them. Make use of a dehumidifier to fix this problem or a packet desiccant. If you're dealing with a serious or long-term problem it is best to talk to an expert. Although they are extremely durable, uPVC frames can deteriorate over time, especially when it is an extremely cold or warm day. This is not unusual, but it can cause problems like a squeaking or stiff door or window. Employing a UPVC specialist is the most effective way to resolve these issues. Some businesses will drill a hole in the window and then insert desiccants to draw out any moisture. This is an excellent solution and is less expensive than replacing the window. However, it's crucial to remember that the hole will have to be plugged again after six months, and moisture may return in the event of a crack in the seal elsewhere in the window. A commercial product or mixture of water and vinegar can be used to remove the haze. This is a more complex process than simply drilling holes into the window and then inserting the desiccant, but it is possible to succeed and doesn't require any replacement. Double-glazed windows are a great way to keep warm in your home and can make it more energy efficient. However, they need to be maintained. It's worth calling a professional to help with double-glazing repair in Essex when you're having any of these problems. They will ensure that your windows are in good condition and replace hinges, handles or locks if necessary.