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Do Not Forget Repair Double Glazing Windows: 10 Reasons Why You Don't Have It
How to Repair Double Glazing Windows

You might experience issues with your double glazing's handles gaskets, hinges and handles. You can often fix these problems without having to replace the entire window, thereby saving time and money.

One common issue is the accumulation of condensation in the space between the two panes of glass. This usually indicates that the window has become damaged and requires attention.

1. Broken Panes

A broken double pane glass could expose your home to the elements. However, it is not always necessary to replace the entire window sash to address this issue. Double pane windows can be fixed with an adhesive specifically designed for the cracks.

This short-term solution is used to prevent superficial fractures (such stress cracks) that may occur when temperature changes cause the glass to expand and shrink. If your glass is damaged, you may need to remove and replace the entire window.

The seals between the two panes can break or break which can cause condensation and misting on windows. Most often, these issues result from moisture that is trapped between the two glass panes or seeps through the window frame into the wall. Moisture is bad for double-glazed windows, regardless of the source. It can cause water damage and mold that is costly to fix.

You can try to control the issue by cleaning your double-glazed windows using cold, lukewarm water. This can temporarily solve the problem, particularly if it is hot and humid outside. You can also employ the help of a dehumidifier in cooling the room using double-glazed windows. This is especially helpful in summer.

If the issue continues, a double glazing specialist can come to your home and clean the space between the panes of your glass. A tool can also be used to create a score line around the perimeter of your windows, where you can cut the glass using a glass cutter. Once you have finished and you are done, you need to remove all glazing points and putty from the frame of the window opening. This should be done with the sash still in place, although it is possible to work on a flat surface, such as a table.

2. Seals

The window seal is an essential component in double glazing and plays a crucial role in keeping your home efficient, draught-free, and safe. The seal covers the entire perimeter of the uPVC frame and provides an air-tight seal over the gas-filled space between the two panes of glass in the window. This is an essential element of the insulation effect your double glazing delivers and any problems or failure to the seals will greatly diminish the benefits.

If your seals aren't doing their job, you will see condensation between the panes. This isn't just a nuisance and can cause mould and damp in your home. Damp and mould can cause damage to floors, walls and furniture and could be a serious health risk for those suffering from respiratory ailments such as asthma.

The positive side is that a majority of double glazing manufacturers offer repair services for windows without having to replace the entire unit. This is not only cheaper, but also quicker and more environmentally-friendly. In the meantime, there are DIY alternatives, such as using caulking to tackle water leaks and moisture penetration, or lengths of self-adhesive seals that can be affixed directly to the junction between the window sash and frame.

A professional call is the most convenient and effective solution to a failed window seal. They can repair the window seal and prevent air and moisture from entering your home, which can cause expensive damage.

Verify the warranty period of your double glazing. It usually ranges between 10 to 20 years. This could save you money in the event that seals are damaged and the windows need to be replaced. Some installers will even drill misted double glazing and draw out the moisture to form a new seal and prevent it from misting again in the future. This is a temporary fix, and a plug has to be inserted to seal the hole.

3. Locking Mechanisms

Double-glazed windows utilize air gaps between the glass panes for insulation against the changing temperature outside and to maintain warm inside the house. This kind of window could be referred to as an insulation unit (IGU). They can provide you with lots of energy efficiency, which can lower your heating bills. However, they aren't indestructible and some problems may arise that require double glazing repairs.

Luckily, most of these are relatively easy to fix and much cheaper than replacing the entire window. It is best to speak with a specialist company who offer repair services for double glazing, so that you can be sure that the work is done efficiently and with minimum effort. Often these companies will provide no-cost quotes so that you can evaluate the cost and quality of their work.

It is crucial to confirm the warranty included with your double-glazed window and, in most cases, cover the cost of a repair. This is a standard feature of double glazing and usually lasts from 10 to 20 years, however certain companies offer lifetime warranties.

If you are unable to open your double-glazed windows or it appears there is a cloud of mist between the panes, then it is likely due to the seal blowing. This can occur when the frame of the window moves slightly, or if the packaging that keeps the glass sheets in place becomes damaged over time.

You can repair double-glazed windows yourself, but it's usually more cost-effective to hire a professional. You should always follow the instructions of the manufacturer and make use of the correct tools. You will also void any warranty if trying to remove the glass by yourself. You may end up paying more than if the company that purchased the windows from had called you.

After you have removed the broken glass, you can replace it with plastic spacers. This will ensure that the replacement is a good fit for the frame. You can also add any uPVC beading needed. Then you can fit an additional wedge gasket and secure the window in the frame.

4. Weatherproofing

If your double-glazed windows are difficult to open or are sagging there are methods of fixing them. For instance, you could try oiling the hinges, mechanisms or handles to see if that can help. Another thing you can do is to replace the gaskets. This can increase the efficiency of your windows and stop them from letting in draughts or cold air. These are available in a hardware store or on the internet. They are easy to install. You can consult an expert if you don't intend to do it yourself.

If you have condensation between the window panes, this is also something which can be fixed easily. This is usually caused by an unsound seal, which will allow moisture to get in the gap between the glass panes. This could cause the glass to cloud up, which is both unsightly and ineffective.

Anyone with some DIY knowledge can easily change the gaskets. Gasket sealer is essential for a strong seal and can help cut down on the cost of energy. Alternately, you can use a calk for filling any gaps and give your windows an extra boost in weatherproofing.

The seals can also fail on double-glazed windows. This is often caused by painting near windows or renovation work on the property or general wear and tears. 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 any home. They provide you with energy-efficient and secure windows that keep the heat inside and the weather outside. There are occasions when replacing double glazed window is the best choice. This could include frames that are damaged or broken, or panes that aren't suitable for double glazing.

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