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Five Essential Tools Everyone Involved In Double Glazed Repair Industry Should Be Utilizing
How to Deal With Double Glazed Repair

It is recommended to have your double-glazed window frames regularly inspected, especially when they are shrinking or expanding. This will decrease the chance of drafts.

If you notice condensation between the glass panes, the seal could be failing and must be replaced. Replacing the seal will not only reduce condensation, but it will also save on energy bills.

Cracked or broken panes

Double glazing is not indestructible and it is possible for faults to occur that can reduce the energy efficiency of the windows and doors. Repairing double-glazing is an easy process however, you'll require the proper tools and experience to do it correctly. It is recommended to get a professional perform the work rather than attempting to do it yourself.

The most common issue that can affect a double-glazed window is a broken or cracked pane. It could be the result of a blow or knock to the frame from outside, or from an attempt to open windows that are closed. The glass could break or crack into small pieces, depending on the size of the crack and the force that is applied to it.

Repairing double-glazed glass that is prone to cracking using a special tape or putty. This will stop the crack from expanding or getting worse and also stop the elements of wind, water or other elements from entering your home through the cracks.

Another issue that is common is condensation in double glazing. This is typically caused by a damaged window seal. It is a normal phenomenon that happens due to temperature and weather changes. Before attempting to fix your windows, check to check if they're covered by the warranty.

It's usually covered by the company that sold you your double glazing, so it's important to contact them quickly and clearly explain the issue. This should be written down instead of via phone or text. Always keep a copy.

If you want to try and repair a misted window yourself, a common method involves drilling through the middle of the damaged pane. The desiccant absorbs any moisture and aid in resolving the issue. This is a temporary solution and it is recommended that you replace your double-glazed units with new ones as soon as you can.

Misty Panes

When double glazed windows start fogging up, it can be a real trouble and can cause major disruptions to your home. It is, however, fairly easy to fix the issue once you understand the root of the issue. In most cases the cause of the problem is a defect in the seals between your window panes, which allows moisture to get in. This can be caused by poor installation, drainage issues or even seals that are defective from the window manufacturer.

Standard sealed units comprise of two glass panes that have a hollow spacer bar inserted between them (shown in the above image). The inner surface of the spacer bar is perforated, and the spacer bars are filled with desiccant to suck up any moisture. The two glass panes will be sealed, and the entire unit will be filled with gas in order to improve its thermal efficiency.

As you can imagine, if the sealed unit fails, moisture could get between the panes and can cause condensation and even mist. This can also result in heat escaping your property which could result in a significant amount of money being lost in energy costs.

Repairing a window that has been misted is a challenging task that shouldn't be attempted by anyone who doesn't have a solid understanding in the glazing and construction industries. If you are willing to tackle the challenge, it is possible to repair the misted seal of a window by putting in moisture-absorbing desiccant into the space between the glass panels.

Remember that this is only a temporary fix, and the condensation may return. The process will have to be repeated. It's more efficient to replace the misted glass and it's much cleaner and quicker. A replacement will restore the original insulation to your home, which is not possible by repairing. If you're experiencing misty windows and condensation, we suggest contacting an experienced company that can provide double glazing. In the meantime, try making sure your windows are as dry as you can by ensuring that they are properly ventilated and cleaning them regularly.

Home Page Leaks

No matter if they are brand new or old, double-glazed windows should not leak. Leaking windows aren't just a nuisance but they can cause significant damage to your home such as mold growth and structural damage as well as higher heating and cooling expenses. Contact a professional window company as soon you suspect that there is a issue.


Window leaks can be an indication that the seals between glass panes are not functioning correctly. If you notice condensation between the panes of glass it's a sign that the seal between the two panes has deteriorated. Moisture is now seeping through the insulating space that is between the two panes. A little condensation is perfectly normal. However should the issue persist and is visible on the exterior or interior of your home it is the right time to call in a repair service.

Water accumulating at the bottom of your window frame is a common reason for leaks. This can be a sign of clogged drainage holes or flashing that isn't properly installed, or a sloped sill. A clogged drainage hole is easy to fix by using a coat hanger wire to remove the gunk. By using roofing caulk, you can easily fix flashing that isn't working properly. If the window sill slopes to one side it may be due to an incorrect pitch. A professional window repair service will be able to identify the cause and provide an immediate, cost-effective solution.

While it is not uncommon for old UPVC windows to fail or leak, it is much more cost-effective and efficient to hire an expert double-glazed repair service. They can restore your windows' appearance and function to how they were when they first were released. They can even replace hinges, handles, and locks if required. Professional window repair firms will give you a warranty on their work. You wouldn't receive this if you were to fix the windows yourself.

Difficulty of Opening

If you notice that your windows are getting difficult to open, it is best to get in touch with the company from which you purchased them. In the majority of cases the issue can be resolved with a simple fix. If the issue persists and you are unable to resolve it, you should consider replacing your windows with contemporary designs. Double-glazed windows are available with state-of-the-art features that will keep your home warm and secure, including slimline uPVC or aluminium frames, advanced insulation to stop the heat from escape, and innovative security equipment to keep out intruders.

Another indication that your double glazing requires repairs is condensation that forms between the glass panes. This is due to an issue with the seals that separate the two panes. Inert gasses are supposed to escape between the panes of glass and be replaced by moist air. This keeps your windows airtight and energy efficient. If this isn't happening the seals might have become damaged or simply broken down and this can occur in the course of time because of weather changes or other factors.

A draft from a double-glazed windows could also indicate that the seals are failing and cold air is leaking in to your home. This can also result in higher energy bills as your heating system has to work more to maintain the temperature in your home.

In some cases the draught could be fixed by lubricating hinges, handles or mechanisms of your double-glazed doors or windows. It is important to remember that this is only a temporary solution, and you'll be required to consult with a professional if the problem persists.

You can also put in ventilation, such as extractors, air bricks or vents in your windows and doors to assist with the issue of condensation. It is also important to allow double-glazed doors and windows to 'breathe,' which is possible through trickle vents.

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