Repairs to Double Glazed Windows
Double glazing can make your home more efficient. Its main benefit is that it helps keep heat in while preventing cold air from getting into your home.
Double-glazed windows can cut down on the noise in your home and increase its value. However, they can experience issues from time time. The good thing is that repairs can be more affordable than replacing windows.
Seals
Double glazing employs a variety of seals to ensure that the two panes are held securely together and that warm air can pass through while cold air is kept outside. Based on the type of window you own, it may require different types of seals. A professional installer of high-quality will provide you with the best choices for your requirements and explain how your windows were designed to work with their seals.
Windows are coated with protective coatings during production to help keep them in good condition and to prevent damage caused by harsh weather. The coatings will wear away when they are not maintained regularly. It is crucial to repair the seals when the coatings are worn off. This will help stop condensation, draughts and mist within the double glazing, and also ensuring your energy efficiency.
If your double-glazed windows are difficult to open or have sagged or dropped over time, it is often fixed by simply oiling the mechanism, hinges, and handles. This will make it easier to move windows or doors and could even fix the issue. However, if the issue persists you should seek advice from your installer. It is important to know that some issues are not fixed, particularly in the case of double glazing installed by a company that is not reputable.
Misted or cloudy windows are usually caused by a damaged seal between two glass panes. It could be a sign of an underlying issue, such as excessive drafts or a gap between the temperature of the room. A faulty window seal can let outside air into your home. This can affect the comfort level of your home and also increase your energy bill.
Resealing windows that are double-glazed could be expensive. It is also important to think about whether your windows are in need of replacement rather than resealing. This is especially true if your windows are severely damaged or have extensive rot damage on the frame. Make sure that your windows are still covered by warranty to reduce costs.
Glass
Double glazing is a great method to increase the insulation of your home, particularly when you live in a cold area. This means you can turn your heating up a little less, and you'll also reduce your energy bills. However, there are some issues that could arise with double glazed windows, and these need fixing as soon as possible. Fortunately, a reputable tradesperson will be able to fix your double-glazed windows quickly and effectively. You can search on websites such as Checkatrade to find tradespeople who are fully vetted, and have been tested to ensure the highest level of service.
One of the main reasons for making repairs to double glazing is that the seals between the panes may break. This can lead to condensation and mist. This can be fixed fairly easily, as the glass needs to be removed and hot air piped into to eliminate any remaining moisture. The seal is reinstalled and the window sealed to prevent water from entering the future.
Another issue is that the frame may become difficult to open or have been sagging over time. Again, this is normally easy to fix by lubricating the hinges or mechanisms using a suitable oil. In extreme cases, you may need to replace the frame.
Double glazing reduces outside noise. This can be a real benefit for those living close to airports, highways, or noisy neighbours. Double glazing also helps reduce medium to high-frequency noises, such as voices and music, making it easier to relax in your home.
Double glazing can also shield furniture and furnishings from sun damage. This is due to the fact that the glass blocks the harmful UV rays, which can cause them to fade over time. The additional insulation makes it easier to maintain the temperature of your home, which can help you avoid overheating during summer and keeping your heater on all day in winter. This will make your home more comfortable and can also boost the value of your home.
Frames
If the mechanisms are brittle it may be difficult to open and close double glazing. Extreme temperatures or ageing could cause this. Try cooling or lubricating the hinges and mechanism, but it's usually easier to get the issue resolved by a professional.
Double glazing frames can also develop problems such as misting between glass panes. This can be difficult to fix on your own but a qualified repairer will be able create a new seal to stop the misting from returning.
Even though double-glazed windows are built to last, it is important to have any repairs done promptly. This will maintain the efficiency of your window and prevent issues like draughts or moisture accumulating around the frame's corners.
It is also worth remembering that double-glazed windows generally have a warranty, and some even have lifetime guarantees, so it's important to know what they cover before you do any work. Usually, the company you bought your double glazing from will give you details on how to contact them, plus the details of any warranties that you have.
If your double glazed windows are having issues, it is best to locate an experienced tradesperson who can deal with the issue. Checkatrade will match you with window specialists in your area who have been vetted. You can get in touch with them via our online enquiry form, which makes it easy to get a free estimate. You can be assured that the person you choose possess the necessary skills and experience required to carry out the correct double glazing repairs for your home. Click here to find a local double-glazing specialist and find out how they can assist you. Alternatively, you can call us at 0800 018 5897 and we'll be delighted to recommend a reliable tradesperson. We can even give you an overview of the most reputable traders based on your postcode and other factors.
Gaskets
The window gasket is an essential part of double glazing. Its purpose is to provide a tight seal between the frame of the sash and to prevent air leakage. Over time, the performance and quality of a gasket can diminish. This is why it is important to be able to recognize the signs of deterioration and respond swiftly.
The most common indication of a gasket that is degrading is visible streaks of black paint on the window sill and frame. These streaks are caused by the leaching of oil out of the degrading rubber that then dries and shrinks. The gaps between the frame and the glass allow air to enter the building envelope causing water damage. In addition, draughts as well as cold spots may be experienced in rooms and buildings where windows are situated.
The degrading of gaskets over time could cause increased maintenance costs and higher energy bills. Building managers should keep track of repairs, gasket degrading and double glazing condition.

It is important to know that deterioration in gaskets does not always mean that your double glazing must be replaced. In many cases the seal that is deteriorating can be repaired by using overlays that are fixed onto the existing windows and frames. This method is typically less expensive than a complete replacement and can cut down on the cost of repairs.
While it is possible for you to seal your double glazing however, it is generally more cost-effective and easier to engage a professional. This will not only help you save time, but also ensure that the work is completed according to the original specifications. Furthermore, a professional double glazing repair company should be able to offer you a warranty on their work. This will give peace of mind, and assure you that the job was done right. You will also be able to access technical advice should you require it in the future.