Repairs to Double Glazed Windows
Double glazing is an excellent method to improve the efficiency of your home's energy usage. Its primary benefit is to retain heat while preventing cold air from getting into your home.
Double-glazed windows reduce noise and boost your home's value. They can, however, experience issues from time some point. Repairs are usually more affordable than replacing windows.
Seals
Double glazing utilizes various seals to ensure that the two panes are securely together and that warm air is allowed in while cold air is kept out. Based on the kind of window you have it could require different types of seals. A professional installer will be able to advise you on which seals are most suitable for your window and how they function.
During manufacture, windows are coated with protective coatings that ensure their durability and protect them from damage caused by harsh weather. These coatings can become worn when they are not cleaned regularly. It is important to fix the seals if the coatings wear off. This will help to stop condensation, draughts and mist within the double glazing, as well as maintaining your energy efficiency.
If your double-glazed windows are becoming difficult to open, or have fallen/sagged over time, this is often fixed by simply oiling the mechanism, hinges, and handles. This will allow you to move the doors or windows, and may resolve the problem completely. If the problem persists, it is best to talk to your installer. It is important to note that certain issues cannot be fixed, especially in the case of double glazing installed by an unreputable company.
Glass that is cloudy or misty are typically caused by a damaged seal between the two panes of glass. This can be an indication of a deeper issue, like the presence of drafts, or a difference between the temperature of the room. Failing window seals allow outside air to enter your home, which can affect your comfort and increase your energy bills.
Resealing your existing double-glazed windows could be expensive. It is also important to consider whether your windows require replacement instead of sealing them. This is particularly true when your windows are badly damaged or if you have extensive rot on the frame. Make sure that your windows are still covered by warranty to reduce costs.
Glass
Double glazing is a good option to increase the insulation of your home, especially when you reside in a cold region. This means you can turn your heating up a little less, and you'll also reduce your energy bills. However, there are some problems that can occur with double-glazed windows and they should be addressed as soon as possible. A reliable tradesperson can repair your double-glazed windows quickly and efficiently. You can use a website such as Checkatrade to find tradespeople who have been vetted, and have been tested to ensure the highest level of service.
The seals between the panes of double glazing may break. This can lead to condensation and mist to form. This can be easily fixed, as the glass needs to be taken off and hot-air pumped in to remove any moisture. The seal is placed back in place and the window will be sealed to stop any water from entering in the future.
A frame that has sagged or has become difficult to open can be an issue. It is simple to fix by lubricating the hinges or mechanisms with a suitable oil. In extreme situations, the frame will need to be replaced.
The biggest benefit of double glazing is that it blocks out noise from outside. This can be a real benefit for those who live close to airports, highways, or noisy neighbours. Double glazing also helps reduce medium to high-frequency noises, such as music and voices, making it easier to relax in your home.
Double glazing can also protect furniture and décor from sun damage. The glass blocks harmful UV rays that could ruin the furniture and decor over time. The extra insulation will also make it easier to regulate the temperature of your home. This will help you avoid overheating in summer and relying on your heater for the entire day in winter. This will make your home more comfortable, and will also help to increase the value of your home.
Frames
If the mechanisms are brittle it may be difficult to open and close double glazing. Ageing or extreme temperatures could cause this. You can try cooling or applying lubrication to the hinges and mechanism, but it's usually easier to get the issue fixed by a professional.
Double glazing frames may also be prone to problems like misting occurring between the glass panes. This isn't easy to fix yourself however a professional repairer can make a new seal and stop the misting from returning.
Even though double-glazed windows are designed to last, it's important to get any repairs completed as soon as you can. This will allow you to maintain the efficiency of the window and prevent issues like draughts or moisture collecting in the frame's corners.
It is also worth remembering that most double glazed windows come with a warranty and some come with lifetime warranties, so be sure to check what these cover before you do any work. The company that you purchased the double glazing will usually provide contact details and information about any warranties you may have.

It is best to speak with a reputable tradesperson if you have any issues with your double-glazed windows. Checkatrade will connect you with window specialists in your area who have been vetted. You can reach them through our online enquiry form, which makes it easy to arrange a free quote. You can then be confident that the person you select will have the required expertise and experience to carry out the correct double-glazing repairs for your home. Click here to search for an expert in double glazing in your area and see how they can assist you. You can also call us at 0800 0185897 to receive an idea of a suitable tradesperson. We can even give you an overview of the most reputable traders based on your postcode and other criteria.
Gaskets
The window gasket that is glazed is an essential component of double glazing, designed to create a vital seal between the sash and frame and to prevent air infiltration. However, over time the quality and performance of a gasket could diminish. It is therefore important to be aware of signs of deterioration, and to take action immediately.
The most typical sign of a damaged gasket is visible streaks of black on the window frame and sill. These streaks are caused by oil leaching out of the rubber that is degrading which dries out and shrinks. The resulting gaps between the window frame and glass will allow air to enter the building envelope which can cause water damage. There may also be draughts and cold spots in the buildings and rooms with windows.
In the long term the degradation of gaskets can result in an increase in energy costs and maintenance costs for property owners. In the end it is essential for building managers to keep records of repairs and degraded gaskets, and make regular checks of the condition of their double glazing.
It is crucial to understand that deterioration in gaskets does not always mean that your double glazing must be replaced. In many instances the seal that is deteriorating can be repaired by using overlay components that are glued to the window frames and sash. This approach is usually much cheaper than a full replacement and can help reduce the cost of repairs.
While it is possible for you to reseal your double glazing but it is usually more cost-effective and easier to employ a professional. Not only will this save you time, but it will also ensure that the work is done to the original specifications. Additionally, a reputable double glazing repair business is likely to give you a warranty on their work. This will provide you with peace of heart and will reassure you that the job was done properly. You can also access technical assistance should you require it in the future.