11 "Faux Pas" That Are Actually Acceptable To Use With Your Double Glazed Window Repair

11 "Faux Pas" That Are Actually Acceptable To Use With Your Double Glazed Window Repair

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Double Glazed Window Repair

It's worth checking the warranty included with the majority of double-glazed windows. In general, it covers problems with the window hardware including hinges and locking mechanisms - in the first 10 years.

A crack in the seal can be the reason for mist to form between your glass windows. This should be repaired immediately to avoid mould or damp forming in your home.

Condensation Between the Windows

If you notice condensation appearing between your windows, it is an indication that the seal in the insulating gases has failed. This is a serious problem that should be addressed immediately, especially during winter when the humidity levels are at their highest. It could also cause damage to the sills and sealants, as well as mould.

Double-glazed windows shouldn't have condensation between the panes. However, it's not unusual to have high humidity or an extremely cold snap to trigger this issue. Fortunately, this is usually repairable without having to replace the entire window. A professional can drill tiny holes into the window and spray special cleaning solution inside. The water is then removed from the window. An anti-fogger is fitted to prevent the accumulation of moisture from happening again.

Condensation can also occur between windows due to air leakage, or any other cause outside the window. In this instance it can take a longer time for the condensation in the window to accumulate, as the air must be sufficiently warm to vaporise the water molecules. In these situations it is recommended to replace the double-glazed windows instead of trying to repair the seals on the existing units.

A double-glazed windows is made up of two or three pieces of insulated glass, held together by a frame made of metal. The gap between the two windows is filled with an insulating gas such as Krypton or argon, and then sealed. The seal is responsible for stopping the gas that is insulating from escape and also preventing moisture and air from entering through the gap.

As windows age, seals may get damaged and allow moisture to escape between the glass panes. When seals fail it is crucial to recognize this as it signifies that the double glazing no longer performs as well as before. This can result in poor energy efficiency, higher heating costs, a damaged property, and the possibility of condensation between the windows.


If you see condensation on the outside of your windows this is normal and indicates that your double glazing is working well and keeping the heat inside your home. The condensation is caused by the air outside is hotter than the glass, and then reaches the dew point of the window earlier than the air inside. This is one of the major benefits of having good quality double glazing.

If you notice condensation on the inside of your window, this could be a sign of a ventilation issue in your home. This is because the extra moisture has nowhere to go and ends up on your windows as well as in carpets, on furniture and in other places around your home. This can be avoided by having it checked out by an expert and ensuring that there is sufficient fresh air in your home.

Another reason you could have mist on your double-glazed window is that the seal between the two panes has worn down. This could be due wear and tear or chemical cleaning solutions that are being employed. The best option is to fix the windows as soon as you can.

Repairing your windows upvc windows and doors professionally will ensure that they remain clear of fog free of condensation and free of misting. It's also cheaper than replacing your windows and you'll save money on your energy bills.

A FENSA certified window installer can provide you with a quote for repair or replacement of your double-glazed windows. If your existing windows are very old and have been used for a long time you might want to consider changing them to new A-rated energy efficient ones.

It is a good idea to keep copies of any warranties or agreements with your window fitting company. This will be very useful in the event that any issues with your windows develop in the future, and you are able to then contact your fitters to resolve the issues. This is a much better option than simply not addressing the issue that only make the problem worse and may lead to other problems in the home.

Open or close with difficulty

When double glazed windows are difficult to open and close, it isn't just annoying, it can lead to increased energy bills due to heat loss and draughts. It could also be a security issue especially when the locks aren't functioning properly. It is important to repair double-glazed doors and windows as soon as possible.

If you have tried opening your window using one of the easiest methods, like using an electric screwdriver or tapping the frame using a solid object, the problem could be more serious. It could be that the window has moved within its frame and requires to be re-set or it could be that there is a gap between the glass panes as well as the frames. In either case, you must consult a double-glazing repair expert to ensure that the repairs are done correctly and to avoid any further issues.

It is not uncommon for UPVC window handle and lock mechanisms to become difficult to operate or stuck, especially if they are old and worn. It usually happens due to a build-up of grease or dirt in the handle. This can be easily solved by cleaning it with a uPVC cleanser. If this does not work, you could try tapping the uPVC using the screwdriver. Be careful not to damage either the handle or the window handle mechanism.

If this does not solve the problem then the window will have to be replaced as the hinges may not be in the proper place or the locking mechanism could be damaged. In this instance, you must seek out a professional UPVC window repair expert.

David The Window Wizard is a specialist in double-glazed window and door repairs, including fixing double-glazed windows that have jammed or been locked shut. He has a wealth of experience changing old window mechanisms to modern ones. He can often save you the cost of replacing the entire window. Contact us today for more details or a no-cost quote.


Double-glazed windows are usually an excellent option to save energy in your home. They are made up of two distinct panes, with a spacer air or dense gas between the panes, creating an airtight seal to keep cold air out and warm air in. However with time, these windows can become damaged or broken and require repair. Most repairs can be done without replacing the entire window.

Warping is a common problem when double-glazed windows are installed. The windows begin to flex or twist or bow. This can impact the structural integrity and insulating capabilities of the window. Double-glazed windows should be properly installed and maintained to avoid this problem.

Get in touch with a professional when you notice that your double-glazed windows are sagging. This will help prevent the situation from getting worse. They can inspect your windows and determine the root cause of the warping. They will then use specific tools to correct the problem and ensure that your windows are completely sealed again.

A common cause for this issue is the presence of water vapour between the windows, which can build up over time. This can be caused various factors including humidity, weather conditions and temperature variations. To address this issue the expert will drill a tiny hole to let out moisture. The specialist will apply a cleaning agent on the glass to cleanse it and then apply an adhesive.

If windows aren't able to be closed or opened, this may be a sign of a problem with the mechanism or hinges. It is advisable to lubricate these parts of the window prior to calling a professional since this will often resolve the issue and reduce the need for replacements. If your windows are worn out or don't provide the insulation you require, it may be better to replace them.

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