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How to Deal With Double Glazed Repair

It's a good idea to inspect your double-glazed windows regularly, especially if observe that the frames are contracting or expanding. This will reduce the chance of drafts.

If you notice condensation between the panes, it is a sign that the seal is failing and has to be replaced. The seal is able to be replaced to lessen condensation and conserve energy.

Cracked or Broken Panes

Double glazing is not indestructible. It can develop faults that can reduce the energy efficiency. Repairing double-glazing is a relatively simple process however, you'll need the right tools and knowledge to do it properly. It is generally recommended to use a professional firm to complete the task instead of attempting it yourself.

The most common fault that occurs with double-glazed windows is a broken or cracked pane. This could be a result of a blow or knock on the frame from outside or an attempt to open a window that is stuck shut. The glass might break or crack into small pieces, based on the size of the crack and the force that is applied to it.

You can repair double-glazed glass that is susceptible to cracking using a special tape or putty. This will stop the crack from spreading or becoming worse and it will block any water, wind or other elements from entering the home through the cracks.

Condensation in double-glazed windows is another common problem and is often the result of a break of the window seal. It is a common occurrence that is caused by temperature and weather changes. Before attempting to repair your windows, you should check if they're covered by the warranty.

Typically, this is covered by the company you purchased your double glazing from, so it is essential to contact them quickly and explain the issue clearly. This should be done in writing instead of via phone or text. Always keep an original copy.

If you're interested in trying to fix and fix a window that has become misty by yourself, a popular procedure is to drill through the middle of the damaged pane. The desiccant will absorb any moisture and aid in resolving the issue. This is only a temporary fix and it is recommended that you replace your double-glazed units with new ones as soon as possible.

Misty Panes

If double-glazed windows begin fogging up, it can be a huge pain and can cause significant disruption to your home. Once you have identified the source it's fairly easy to fix. Most often, the cause of the issue is a failure of the seals between the window panes that allow moisture to get in. Poor installation or drainage issues, or even defective seals from the window manufacturer could cause this problem.

Standard sealed units are made up of two glass panes, with a hollow spacer bar sandwiched between them (shown in the image above). The inner face of this bar is perforated, and the bars that are used as spacers are filled with a desiccant, that is used to absorb any moisture that is absorbed into the unit. The two glass panes will be sealed together and the whole unit will be filled with gas to increase its thermal efficiency.

As you can imagine, if the sealed unit fails, then moisture could get between the panes and this can create condensation and mist. This could cause heat to escape from your property, which could result in a substantial amount of money lost on energy bills.

However, fixing a misted double glazing window isn't easy and isn't something that should be attempted by anyone who doesn't have the necessary knowledge of glazing and the construction industry. However, if you're willing to take on the challenge, it's possible to repair a sealed unit that has been misted by adding a moisture absorbing desiccant to the gap between the glass panes.

Bear in mind, though it's only temporary solution, and the condensation will likely to return and the process may need repeating. It is more effective to replace a misted unit. It will also be cleaner and faster. A replacement can also help restore the original insulation of your property that isn't accessible through repairs. We suggest getting in touch with a reputable double glazing company if you're struggling with condensation and misty windows. In the meantime, you can try to keep your windows as dry as you can by ensuring that they are properly ventilated and cleaning them regularly.

Water Leaks

No matter if they are brand new or old, double glazed windows must not leak. Leaking windows aren't just an inconvenience but can cause severe damage to your home such as the development of mold and structural damage, as well as increased heating and cooling expenses. Contact a professional window service as soon as you suspect that there is a problem.

Window leaks are typically indications of a problem with the seals that connect the panes of glass. If you notice condensation between the glass panes, it is a sign that the seal between the two panes is deteriorating. Moisture is now seeping through the insulating space between the two panes. While some condensation is normal, if it continues to grow and is visible on the outside or inside of your home it is time to get an repair service.

Water collecting at the bottom of your window frame is another common reason for leaks. This could be a sign of clogged drain holes, improper flashing or an uneven sill. double glazing repairs near me that is blocked is simple to fix using a coat hanger wire to remove the gunk. Using roofing caulk, you can easily fix flashing that isn't working properly. If the window sill is sloping to one side, it could be due to an incorrect pitch. A professional window repair service will determine the root of the problem and provide an affordable, fast solution.

It is not unusual for UPVC windows that are older to leak or break. However, it is more cost-effective and efficient to hire a double glazing repair service. They can restore your windows' appearance and function to how they were when they first were introduced. They can even replace hinges, handles, and locks if necessary. Professional window repair companies will offer you a guarantee on their work. You wouldn't get this if you were to fix windows yourself.

The difficulty of opening

If you notice your windows are getting harder to open, you should contact the company that sold you them. In most instances, a simple repair can resolve the issue. If the problem continues, you should consider replacing your windows with contemporary designs. New double glazed windows offer modern features that keep your home warm and secure, including slimline uPVC or aluminium frames and advanced insulation to prevent the heat from escape, and innovative security equipment to stop intruders from entering your home.


Condensation between glass panes is a common sign that double glazing requires repair. This is due to a failure of the seals that separate the two panes. Inert gasses are supposed to escape between the panes of glass and then be replaced by moist air. This will keep your windows in a breathable state and be energy efficient. If this doesn't happen, the seals may have deteriorated or simply broken down, which is something that may happen over time as a result of weather changes or other causes.

A draft coming from the double-glazed windows is also a common sign that the seals have failed, which means that cold air is leaking into your home. This can also result in higher energy bills as your heating system will have to work more to maintain the temperature in your home.

In some cases, a draught can be fixed by lubricating hinges or handles on windows or doors that are double-glazed. It is important to remember that this is a temporary solution, and you'll need to contact the experts in the event that the issue continues to persist.

You can also put in ventilation, such as air bricks, extractors or vents in your windows and doors to alleviate the issue of condensation. It is also essential to allow your double-glazed doors and windows to 'breathe' by leaving them open as much as feasible, which can be achieved with trickle vents.

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