How to Repair double glazing window repairs may experience problems with the handles of your double glazing gaskets, hinges, or handles. You can often fix these problems without having to replace the entire window, which saves both time and money.
Condensation may build up in the space between the two panes. This usually indicates that the window is damaged and requires attention.
1. Broken Panes
A damaged double pane of glass could expose your home the elements. It is not always necessary for the entire window sash to be replaced in order to solve this issue. Double pane windows can be repaired with a special adhesive placed inside the cracks.
This short-term option is used to avoid superficial fractures (such stress cracks) which can develop when temperature fluctuations cause the glass to expand and shrink. Alternatively, if your glass has cracked or broken, it could be necessary to completely remove the broken window and replace it.
Sometimes, the seals between the two glass panes may become damaged or worn out, causing condensation and misting on the windows. These problems are typically caused by moisture that is trapped between the glass panes, or it seeps into the wall through the window frame. No matter the source, moisture is bad news for double-glazed windows because it can lead to mold growth and water damage that can be costly to treat.
You can try to control the problem by wiping down your double-glazed windows using cold, lukewarm water. This can temporarily solve the problem, particularly when it is humid and warm outside. You can also use the help of a dehumidifier in cooling the room using double-glazed windows. This is particularly helpful in the summer months.
If the issue persists the double glazed specialist can come to your home and remove the space between your glass panes. They can also employ tools to create lines of scoring around the perimeter of your windows, where you can cut the glass using a glass cutter (inexpensive ones are available in hardware stores). After this, remove all the glazing points out of your window opening. It is recommended to do this while the sash is in place. However, it is easier to work on flat surfaces like tables.
2. Seals
The window seal is a crucial element of double glazing. It is essential to keep your home secure, energy efficient, and draught free. The seal is located on the inner part of the uPVC frame and holds an air-tight seal over the gas-filled space between the two panes of glass in the window. This is a key element of the insulation effect your double glazing delivers, and problems or frank failure to the seals will significantly reduce this benefit.
If your seals aren't doing their job, the result is condensation between the panes. This isn't just ugly but can also lead to dampness and mould within the home. It can cause damage to flooring, furniture, walls and cause serious health issues for those with respiratory conditions like asthma.
The majority of double glazing manufacturers offer a service that permits you to repair your windows without having to replace the entire unit. This is not only less expensive, but also quicker and more sustainable. There are other DIY alternatives, such as caulking for leaks or moisture intrusion, or self-adhesive seals which can be applied directly at the junction of the window sash with the frame.
In the majority of cases, the simplest and most effective way to fix a damaged window seal is to call in a professional. They can repair the window seal and prevent moisture and air from entering your home, which could cause expensive damage.
It's worth checking the paperwork of your double glazing to find out whether it comes with an assurance period of 10 to 20 years is typical - this can save you money in the event that the windows require replacement because of broken seals. Some installers will even drill misted double glazing and then draw out the moisture to create an entirely new seal, and stop it from leaking again in the future. This is a temporary fix, and a plug must be inserted to seal the hole.
3. Mechanisms for Locking
Double-glazed windows have gaps of air between glass panes in order to insulate against varying outside temperatures and to help keep the heat inside the home. This type of window is also known as an IGU or insulated glass unit (IGU). They can offer you an impressive energy efficiency that can save on your heating bills. However, they are not impervious to damage and some issues may occur that require double glazing repairs.
Luckily, most of them are easy to fix and are much less expensive than replacing the entire window. If you contact a company that provides double glazing repair will ensure the job is completed correctly and with minimal fuss. Many of these companies will give you no-cost quotes so that you can compare prices and the quality of their work.
Make sure you check the warranty that came with your double-glazed window. It usually covers the costs of a repair. This is a common feature of double glazing and generally lasts 10 to 20 years, however certain companies offer lifetime warranties.
The seal could be blown when you can't open the double-glazed windows, or if you notice there appears to be a misty area between the panes. This can occur when the frame of the window shifts in a slight manner, or when the packing that holds the sheets of glass in place becomes damaged over time.

There are many ways you can fix double-glazed windows yourself, but it is usually much more efficient to work with a specialist firm. If you try to do it yourself, you must always follow the manufacturer's instructions and make use of the appropriate tools for the job. It is also important to keep in your mind that if you try to remove the glass by yourself, you will be voiding any guarantee that you might have and may end up with a bigger cost than if simply made contact with the company from whom you purchased your windows.
After removing the broken glass then you can replace it with plastic spacers. This will ensure that the replacement is a good fit for the frame. You can also add any uPVC beading that is required. Then, you can put in a new wedge gasket and secure the window into its place.
4. Weatherproofing
If your double glazing windows are difficult to open or have sagged, there are ways of fixing them. For instance, you could try oiling the mechanisms, hinges or handles to see if this helps. You can also change gaskets to boost your windows' performance and stop them from opening up to cold air and draughts. You can get these at a hardware store or on the internet and they are quite easy to install. If you do not have the time to tackle this task yourself, you can ask a professional to complete the task for you.
If you have condensation between the window panes, this is also something that can be fixed easily. It is usually caused by the seal being damaged, which will allow moisture to get in the gap between the glass panes. This can cause the glass to mist up, which is both unsightly and ineffective.
Anyone with a little DIY expertise can easily replace gaskets. Gasket sealer is crucial for a strong seal and can reduce the cost of energy. Alternatively, you can make use of a calk to fill any cracks and give your windows that extra boost in their weatherproofing.
The seals could also fail on double-glazed windows. This can be caused by painting the windows near them or by renovation work done on the property or just general wear and tear. If you discover that your double glazed windows are leaking it is crucial to have them repaired in the earliest time possible.
Double-glazed windows are a great addition to your home. They provide you with windows that are energy efficient and secure that keep the cold out and the heat in. There are times that it is recommended to replace your double glazed windows, rather than repair them. This can be due to broken panes or frames that are not suitable for double glazing.