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10 Facts About Repair Double Glazing Windows That Will Instantly Bring You To A Happy Mood
How to Repair Double Glazing Windows

If you have double glazing there are times when you might encounter issues with handles, hinges and gaskets. They can usually be fixed without having to replace the windows completely which can save you money and time.

One common issue is the accumulation of condensation in the gap between the two glass panes. This is a sign that the window must be fixed.

1. Broken Panes

A damaged double pane of glass could expose your home the elements. But, it's not always necessary to replace the entire window sash in order to fix this problem. Double pane windows can be fixed by using an adhesive that is specifically designed to be placed inside the cracks.

This short-term option is used to avoid superficial fractures (such stress cracks) which can develop when temperature changes cause the glass to expand and shrink. If your glass has shattered or broken, it could be necessary to completely take the damaged glass off and replace it.

Sometimes, the seals between two glass panes may get damaged or worn out causing condensation and misting of windows. Most often, these issues are caused by moisture that is either trapped between the two glass panes or seeps through the window frame and into the wall. Regardless of the source, moisture is bad news for windows with double glazing because it can cause mold growth and water damage that can be costly to deal with.

You can attempt to fix the problem by wiping down your double-glazed windows with cold, lukewarm water. This may temporarily fix the issue, particularly if it is humid and warm outside. You can also utilize a dehumidifier to help cool the room with your double-glazed windows. This is especially helpful during summer.

If the issue persists the double glazed specialist can come to your home and clean out the space between your panes of glass. They can also use tools to create a line of score around the outside of your windows where you should cut the glass using a glass cutter (inexpensive ones are available in hardware stores). Once this is done, you should remove all the glazing points and putty from the frame of the window opening. This should be done with the sash still in place, but it is possible to work on a flat surface such as a table.

2. Seals

The window seal is an integral component in double glazing and plays a crucial part in keeping your home energy efficient safe, draught-free and secure. The seal is located at the outer edge of uPVC frames and forms an airtight seal in the space between the two panes of glass. This is an essential element of the insulation effect the double glazing provides and any problems or failures to seals can significantly reduce this benefit.

If your seals aren't performing their job, the result will be condensation between the panes. This isn't just a nuisance and can cause mould and damp in your home. The effects of mould and damp can cause damage to walls, floorboards, and furnishings and can cause serious health issues for those with respiratory conditions such as asthma.

The majority of double-glazing manufacturers provide a service that allows you to repair your windows without the need to replace the entire unit. This is not only less expensive but also faster and more sustainable. In the meantime, there are some DIY options, like using caulking to tackle leaks and moisture penetration or lengths of self-adhesive seals that can be applied directly to the window frame's junction sash and frame.

In the majority of cases, the simplest and most effective method to deal with damaged window seals is to call in an expert. They'll be able to repair the window seal to stop the ingress of air and moisture, which could cause costly damage, and also help your home remain energy efficient.

Make sure you know the warranty duration of your double glazing. It's usually between 10 and 20 years. This could save you money in the event that seals are damaged and the windows need to be replaced. Some installers will drill the misted double glazing to remove the moisture and make an entirely new seal. This will stop it from misting in the near future. However, this is temporary and a plug needs to be placed in the hole to keep it shut.

3. Locking Mechanisms

Double glazed windows use gaps of air between glass panes in order to keep out the elements and also to keep heat inside the house. This kind of window can be referred to as an insulated unit (IGU). They can offer you an impressive energy efficiency which saves on your heating bills. However, they are not impervious to damage and some issues may occur that require double-glazing repairs.

Most of these problems are easy to fix, and they're much cheaper than replacing the entire window. A company that offers double glazing repair will guarantee the job is completed correctly and without any hassle. Often these companies will provide no-cost quotes so that you can compare costs and the quality of their work.

It is essential to verify the warranty that came with your double-glazed windows and, in most cases, cover the cost of a repair. This is a standard feature of double glazing installations and usually lasts from 10 to 20 years, although some companies offer lifetime guarantees.

If you are unable to open your double-glazed windows or it appears there is a mist between the panes, then it is probably because the seal has blown. This could occur if the frame of the window shifts slightly, or if the packaging that holds the glass sheets in place deteriorates with time.

There are many ways you can fix windows with double glazing yourself, but it is normally far easier to use a specialist firm. If you try to do it yourself, you must follow the manufacturer's guidelines and make use of the appropriate tools to complete the task. It is also important to keep in mind that if you attempt to remove the glass yourself, you'll be breaking any warranty you may have and could end up paying a higher cost than if you simply made contact with the company from whom you bought your windows.

After you have removed the broken glass then you can replace it with plastic spacers. This will ensure that the new glass is compatible with the frame. You can also add any uPVC beading that is required. Then you can fit the gasket of a new wedge and secure the window into its place.

4. Weatherproofing

There are ways to fix double glazing windows that are hard to open or have been sagging. Oil the hinges, handles, or mechanisms to see if it improves. You can also replace gaskets to improve the performance of your windows and stop them from let in cold air and drafts. You can purchase them from a hardware store or online, and they are easy to install. You can ask a professional if you don't intend to do it yourself.

Condensation between window panes is a different issue that can be fixed easily. This is usually caused by an unsound seal, which will allow moisture to get into the space between the glass panes. double glazing window repairs could cause the glass to mist up, which is both ugly and ineffective.


Anyone with some DIY knowledge can easily change gaskets. It is crucial to make sure that you use a gasket sealer, that will give a solid seal and will help reduce energy bills. You can also apply an elastomer to fill any cracks. This will give your windows an additional boost of weatherproofing.

Another issue that is common to double-glazed windows is the seals begin to break. This could be due to paint being used near the windows, property renovation work or even just general wear and tear. It is essential to repair your double-glazed windows as soon as they become misted.

Double-glazed windows are an excellent addition to your home, providing you with windows that are energy efficient and secure that keep the elements out and the heat in. However, there are times when it is best to replace your double-glazed windows rather than repair them. This could include completely broken panes, extensive decay and frames that are no longer suitable for double glazing units.

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