5 Killer Quora Answers To Double Glazed Repair How to Deal With Double Glazed Repair

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

If you see condensation between the glass panes, the seal may be failing and needs to be replaced. Replacing the seal will not only reduce condensation, but it will also reduce energy costs.

Broken or cracked panes

Double glazing isn't impervious to damage. It is susceptible to developing defects that could decrease the energy efficiency. Repairing double-glazing is an easy process, but you will need the right tools and knowledge to do it right. repairing double glazing is generally recommended to use a professional firm to perform the work instead of attempting it yourself.

A broken or cracked window is the most common problem for double-glazed windows. A blow or knock from the outside can cause this, as could an attempt to open a window that is closed. The glass could break or crack into smaller pieces, based on the size of the crack and the force that is applied to it.

Repairing double-glazed glass susceptible to cracking by using special tape or putty. This will prevent the crack from expanding or getting worse. It will stop any wind, water or other elements from entering the home through the cracks.

Another issue that is common is condensation in double glazing. This is usually caused by a damaged window seal. It is a normal phenomenon that is caused by weather and temperature changes. Before you attempt to repair your windows, make sure to see if they are still covered under warranty.

Typically, this is covered by the company you bought the double glazing from. Therefore, it is crucial to contact them immediately and explain the issue clearly. This should be written down, rather than by phone or text. Always keep a copy.

If you're looking to try and fix a damaged or misted window yourself, a typical method involves drilling through the middle of the affected pane. A special desiccant is put in to absorb any moisture, and this can help the condensation issue to get rid of itself. This is a temporary solution and it is recommended you replace your double-glazed units with new ones as soon as you can.

Misty Panes

If double-glazed windows begin misting up it can be a real issue and cause a significant disruptions to your home. If you can pinpoint the issue it's fairly easy to repair. In most cases the problem is caused by a flaw in the seals that protect your window panes. This allows moisture enter. This could be due to inadequate installation, drainage issues or even faulty seals from the window manufacturer.

Standard sealed units consist two glass panes sandwiched with a hollow spacer (shown above). The face of the bar is perforated, and the bars are filled with a desiccant that is used to absorb any moisture that is absorbed into the unit. The two glass panes then are joined and the entire unit is filled with gas to increase its thermal efficiency.

As you can imagine, if a sealed unit fails then moisture can get in between the panes and can create condensation and mist. This will also lead to heat escaping your property which can add up to a significant amount of money being lost in energy bills.

Unfortunately, fixing double glazing windows that have been misted can be a bit difficult and shouldn't be attempted by anyone who doesn't have extensive knowledge of the glazing industry and construction industry. However, if you are willing to take on the challenge, it's possible to fix a sealed unit that has been misted by putting moisture-absorbing desiccant back into the space between the glass panes.

Bear in mind, though it's only a temporary solution and the condensation will likely return and the process could need to be repeated. It's much more efficient to replace misted glass units and it's much more hygienic and faster. A replacement will also help restore the original insulation of your property that isn't accessible with repair. If you're experiencing misty windows or condensation, we suggest you contact an established company that provides double glazing. In the meantime, you can try to keep your windows as dry as they can by ensuring that they are properly ventilated and cleaning them regularly.

Water Leaks

If they're new or old, double-glazed windows must not leak. Leaking windows aren't only an inconvenience, but can also cause serious damage to your home. This includes the growth of mold as well as structural damage and increased heating and cooling bills. If you suspect that your windows are leaking, contact a professional window repair service as quickly as possible to get the issue fixed.

Window leaks are usually a sign of an issue with the seals between the panes of glass. If you see condensation between the panes it is a sure indication that your window seal has become damaged and moisture is seeping into the gaps between the glass's insulating. While a little condensation is normal, if it continues to grow and is visible on the exterior or interior of your house, it's time to get repairs done.

Water collecting at the bottom of the window frame is a typical cause of leaks. This could be a sign of drain holes that are blocked or flashing that isn't properly installed or an uneven sill. A drainage hole that is blocked can be easily fixed by using a coat hanger made of wire to clear the gunk. With roofing caulk, you can fix flashing that isn't working properly. A faulty pitch could be the cause of an inclined window sill to one side. A professional window repair company will be able to determine the cause and provide a fast, cost-effective solution.

While it is not uncommon for old UPVC windows to leak or break but it is more cost-effective and efficient to hire an expert double-glazed repair service. They can bring back the appearance and function of your windows back to the way they were when they were new. They can even replace hinges, handles and locks if required. Professional window repair companies will offer you a guarantee for their work. You wouldn't get this if you attempted to repair windows yourself.

Achieving the Open

If you find that your windows are becoming harder to open, contact the company that sold you them. In the majority of cases, a simple fix can resolve the issue. If the problem continues and you are unable to resolve it, you should consider replacing your windows with contemporary designs. Double-glazed windows are available with the most modern features to ensure your home is secure and warm. They include slimline uPVC frames or aluminium frames with high-tech insulation that prevents heat from escaping, as well as innovative security hardware.

Another indication that your double glazing needs repairs is condensation that forms between the panes of glass. This is due to an issue with the seals which separate the two panes. Inert gas is supposed to be able to escape between the glass and replace it with moist air, making sure that your windows remain airtight and thermally efficient. If this isn't happening the seals might have become damaged or simply broken down, which is something that could happen in time as a result of changing weather conditions or other causes.


A draft coming from a double-glazed window can be a sign the seals are failing and cold air is coming in to your home. This can lead to higher energy bills as your heating system will need to work harder to maintain the temperature of your home.

In certain situations the draught could be fixed by lubricating the hinges, handles or mechanisms of windows or doors with double glazing. However, it is important to keep in mind that this is temporary fix. If the issue persists, then you'll have to seek out the experts.

To reduce condensation, you can put in ventilation in your doors and windows like air bricks or extractors. It is also recommended to let your double-glazed doors as well as windows to 'breathe,' which you can achieve with trickle vents.