How to Repair Double Glazing Windows
If you have double-glazed windows, you may sometimes experience issues with gaskets, hinges, and handles. These issues can be resolved without needing to replace your windows completely which can save your time and money.
A common issue is condensation accumulating in the space between the two glass panes. This is a sign the window must be repaired.
1. Broken Panes
A damaged double pane glass could expose your home the elements. It is not always necessary for the entire window sash to be replaced to fix this problem. Double pane windows can be repaired with a special adhesive placed inside the cracks.
This short-term fix is typically used to stop superficial cracks (such as stress cracks) from becoming worse that can happen when temperature changes cause your glass to expand and contract. If your glass has cracked or broken, it could be necessary to remove the damaged window and replace it.
The seals between two panes can break or break, causing misting and condensation on windows. Typically, these problems are caused by moisture that is trapped between the two panes of glass or leaks through the window frame and into the wall. Moisture is bad for double-glazed windows, regardless of the source. It can cause water damage and mold, which are costly to repair.
You can try to resolve the issue by cleaning your double-glazed windows with cold, lukewarm water. This will help temporarily solve the issue, especially when the weather is hot and humid. You can also try using a dehumidifier in the area in which your double-glazed windows are situated which is particularly beneficial during summer.
If the issue persists, a double glazing specialist can come to your home and clean the space between the panes of your glass. They can also employ a tool to create an outline of a score around the perimeter of your windows where you need to cut the glass using a glass cutter (inexpensive ones are available in hardware stores). After this is completed then you must remove all the glazing points and putty from the frame of your window opening. It is recommended to do this while the sash stays in place. However it is much easier to work on flat surfaces like tables.
2. Seals
The window seal is an essential component of double glazing. It is essential to keep your home safe and energy efficient, as well as free of draft. The seal is situated at the outer edge of uPVC frames and forms an airtight seal in the space between the two glass panes. The seals are an essential component of double glazing's insulation. If they fail or have problems it will decrease the effectiveness.
If the seals you have installed aren't doing their job, you'll see condensation between the panes. This isn't just a nuisance and can cause mould and damp in your home. Mold and damp can cause damage to floors, walls as well as furniture. It can also have serious health implications for those with respiratory issues such as asthma.
The positive side is that a majority of double glazing manufacturers offer repair services for windows without replacing the entire unit. This isn't only cheaper, but it can be a faster and more environmentally friendly option. In the meantime, there are some DIY alternatives, such as caulking to prevent water leaks and moisture penetration, or lengths of self-adhesive seals which can be applied directly to the window frame's junction frame and sash.
A professional call is the most convenient and effective solution to a failed window seal. They'll be able replace the window seal, preventing the entry of air and moisture, which can cause costly damage and also make your home more energy efficient.
It is worth looking over the documentation of your double glazing to determine if it has a warranty period. A time span of 10 to 20 years is typical and can save you money in the event that the windows have to be replaced because of damaged seals. Some installers will drill holes in the misted double glazing in order to remove the moisture and then create the new seal. This will stop it from misting in the near future. This is a temporary fix, and a plug must be put in to keep the hole closed.
3. Locking Mechanisms

Double-glazed windows have gaps of air between the glass panes to protect against the fluctuating temperatures outside and also to keep heat in the house. This kind of window can also be described as an insulation unit (IGU). They can provide you with an impressive energy efficiency, which can lower your heating expenses. They aren't indestructible and may require repairs to double glazing.
Most of these problems are simple to fix, and they're much cheaper than replacing the entire window. A company that offers double glazing repair will ensure the job is done properly and without any hassle. These companies will often provide an estimate for free so that you can compare the prices and quality of their work.
Examine the warranty that came with your double-glazed window. It will typically cover the cost of repairs. This is a standard feature of double-glazing installations and typically lasts for 10 to 20 years, however some companies offer lifetime guarantees.
The seal could be blown when you can't open your double-glazed window, or if there appears to be a cloud of mist between the panes. This can occur when the frame of the window shifts slightly, or if the packing that holds the sheets of glass in place deteriorates with time.
There are ways that you can fix a double glazed window by yourself, but it's normally far easier to use a specialist firm. If you attempt to do it yourself, then always follow the instructions of the manufacturer and use the right tools to complete the task. It is also possible to void any warranty if trying to take off the glass yourself. You may end up paying more than if the business that bought the windows had just contacted you.
Once the broken pane is removed you can replace it using plastic spacers to make sure that it fits into the frame. You can also add any uPVC beading. Then you can put in a new gasket and secure the window.
4. Weatherproofing
There are ways to fix double glazing windows that are difficult to open, or have become sagging. Oiling the handles, hinges, or mechanisms to see if it improves. Another thing that you can do is replace the gaskets. This will help to enhance the performance of your windows, and also stop them from letting in draughts or cold air. They can be purchased at a hardware store, or online, and they are easy to install. You can seek out an expert if you don't intend to do it yourself.
Condensation between windows is another issue that is easily fixed. It is caused by the window seal being damaged, which allows moisture to pass through the glass panes. This could cause a mist to form on the glass, which is ugly and ineffective.
Anyone with a little DIY expertise can easily swap out the gaskets. It is crucial to make sure that you apply a gasket sealer which will give you a strong seal and will help reduce your energy bills. Alternatively, you can make use of a calk to fill any cracks in your windows and give them that extra boost in their weatherproofing.
Another issue with double-glazed windows is that the seals break down. This can happen due to paint being applied to the windows, home renovations or general wear and tear. It is important that you repair your double-glazed windows as quickly when they start to become smudged.
Double-glazed windows are a great addition to your home. They provide you with windows that are energy efficient and secure that will keep the weather out and the heat in. There are times that it is recommended to replace your double glazed windows, rather than repair them. This could be the case with broken panes, extensive rot or frames that are no longer suitable for double glazing units.