How to Repair Double Glazing Windows
You may experience problems with the handles of your double glazing, hinges, and gaskets. These can often be fixed without needing to replace your windows completely, saving you money and time.
A common issue is the accumulation of condensation in the space between the two panes of glass. This is a sign the window requires to be fixed.
1. Broken Panes
A broken double pane glass could expose your home the elements. It is not always necessary for the entire window sash to be replaced in order to resolve this issue. Double pane windows can be repaired with a special adhesive placed inside the cracks.
This short-term method is employed to prevent superficial fractures (such stress cracks) that may occur when temperature fluctuations cause the glass to expand and shrink. In the event that the glass has broken, it may be necessary to take the damaged glass off and replace it.
The seals between two panes can wear out or break, causing condensation and misting on windows. Typically, these problems result from moisture that is trapped between the two panes of glass or leaks through the window frame into the wall. Moisture is bad for double-glazed windows regardless of its source. double glazing window repairs can cause water damage and mold that is costly to repair.
You can try to resolve the issue by cleaning your double-glazed windows using cold, cool water. This can help to temporarily solve the issue particularly if the weather is warm and humid. You can also try using a dehumidifier inside the room where your double glazed windows are situated, which can be particularly useful during the summer.
If the problem persists, a double glazed specialist will visit your home to remove the space between your panes of glass. They can also use tools to create lines of scoring around the outside of your windows, where you can cut the glass using a glass cutter (inexpensive ones can be found in hardware stores). After that, take out all the glazing points out of the window's opening. This should be done while the sash is still in place, however it's easier to work on a flat surface such as a table.
2. Seals
The window seal is a crucial component in double glazing and plays a significant function in keeping your home efficient safe, draught-free and secure. The seal is placed on the inside of uPVC frames and creates an airtight seal in the space between the two glass panes. The seals are a vital part of the double glazing's insulating properties. If they fail or have problems they will reduce the insulation.
If the seals you have installed aren't doing their job, you will see condensation between the panes. This isn't just ugly but can cause dampness and mold in your home. It can damage walls, furniture, floorboards and create serious health issues for those suffering from respiratory ailments such as asthma.
The good news is that the majority of double glazing manufacturers offer a service to repair windows without replacing the entire unit. This isn't just cheaper, but it can be a faster and more environmentally friendly alternative. In the meantime, there are DIY options such as caulking to stop moisture and leaks or lengths of self-adhesive seals that can be applied directly to the junction between the window sash and frame.
In the majority of cases, the simplest and most effective method to deal with damaged window seals is to contact an expert. They can repair the window seal, and also prevent moisture and air from entering your home, which could cause costly damage.
It's worth checking the paperwork of your double glazing to find out if it has an assurance period of 10 to 20 years is typical and can save you money if the windows have to be replaced because of broken seals. Some installers will drill the misted double glazing in order to remove the moisture and create an entirely new seal. This will prevent it from misting again in the future. However, this can be an interim fix and a plug needs to be placed in the hole to keep it sealed.
3. Locking Mechanisms
Double glazed windows use gaps of air between the glass panes to insulate against varying outside temperatures and to help keep heat inside the house. This kind of window is also known as an insulated glass unit (IGU). These windows can save you money on heating bills by reducing energy use. However, they aren't durable and there are some issues that could occur that require double-glazing repairs.
Fortunately, a majority of them are easy to fix and cost less than replacing the entire window. Contacting a company that offers double glazing repair will guarantee the job is completed correctly and with minimum fuss. Many of these companies will give you an estimate for free to allow you to compare costs and the quality of their work.
It is essential to verify the warranty included with your double-glazed window, as this will usually pay for repairs. This is a standard feature of double-glazing installations and typically lasts for 10 to 20 years, although certain companies offer lifetime warranties.
The seal could have blown if you cannot open the double-glazed windows, or if there appears to be mist between the panes. This could occur if the frame of the window shifts slightly, or if the packing that holds the sheets of glass in place wears out over time.
There are many ways you can fix windows with double glazing yourself, however it is normally far easier to use a specialist firm. It is important to follow the directions of the manufacturer and make use of the right tools. It is also important to keep in your mind that if you try to remove the glass by yourself, you'll lose any guarantee that you might have and you could end up paying a higher bill than if you had simply made contact with the company from whom you bought the windows.
After you have removed the broken glass, you can replace it with plastic spacers. This will ensure that the replacement fits the frame. You can also add any uPVC beads you require. Then, you can install the gasket with a new seal and secure the window.
4. Weatherproofing
If your double glazing windows are difficult to open or have sagged, there are ways of fixing them. Oil the hinges, handles or mechanisms to see if it improves. You can also change gaskets to boost the performance of your windows and stop them from opening up to cold air and drafts. They can be found in a hardware store or online. They are easy to install. You can consult a professional if you don't intend to do it yourself.
Condensation in window panes is a different issue which can be easily solved. This is usually caused by an unsound seal that allows moisture to get into the space between the glass panes. This can cause the glass to cloud up, which can be unsightly and ineffective.
Anyone with a bit of DIY knowledge can easily swap out the gaskets. Gasket sealer is essential to ensure a tight seal and will help reduce the cost of energy. You can also make use of a calk to fill any cracks and give your windows an extra boost in weatherproofing.
Another issue with double glazed windows is that the seals fail. This can be caused by paint being applied to the windows, property renovation work or even just general wear and tear. It is crucial to repair your double-glazed windows as quickly as they become misted.

Double glazed windows can be an excellent addition to your home, providing you with energy efficient and secure windows that keep the elements out and the heat in. There are instances when replacing a double glazed windows is the best option. This could include completely broken panes, extensive decay and frames that are no longer suitable for the double glazing units.