10 Factors To Know About Repair Double Glazing Windows You Didn't Learn At School

· 6 min read
10 Factors To Know About Repair Double Glazing Windows You Didn't Learn At School

How to Repair Double Glazing Windows

If you have double-glazed windows it is possible that you will encounter problems with the handles, hinges and gaskets. They can usually be fixed without having to replace your windows completely which can save you money and time.

Condensation can build up in the space between the two panes. This is a sign that the window requires to be repaired.

1. Broken Panes

A broken double pane glass could expose your home to the elements. However, it is not always necessary to replace the entire window sash to resolve this problem. Double pane windows can be repaired by using an adhesive specifically designed for the cracks.

This short-term repair option is often used to prevent superficial cracks (such as stress cracks) from deteriorating further, which can occur when temperature changes cause your glass to expand and contract. In the event that your glass has cracked or broken, it could be necessary to take the damaged glass off and replace it.

Sometimes, the seals between the two glass panes may become damaged or worn out, causing condensation and misting of windows. Typically, these problems result from moisture that gets trapped between the two panes of glass or leaks through the window frame into the wall. Moisture is a problem for double-glazed windows, no matter the source. It can cause mold and water damage that is costly to fix.


You can attempt to fix the problem by wiping down your double-glazed windows using cold, cool water. This may help temporarily resolve the problem, especially if the weather is warm and humid. You can also try using a dehumidifier in the area where your double glazed windows are located, which can be particularly helpful during the summer.

If the issue persists the double glazed specialist can visit your home and clean out the space between your panes of glass. They can also use a tool to create a line of score around the perimeter of your windows, where you can cut the glass with a glass cutter (inexpensive ones are available in hardware stores). After this, remove all the glazing points out of the window's opening. This is best done while the sash is still in place, but it can be easier to work on a flat surface like a table.

2. Seals

The window seal is an integral component of double glazing. It plays a significant function in keeping your home energy efficient safe, draught-free and secure. The seal is located on the inner frame's uPVC frame and provides an air-tight seal over the gas-filled space between the two panes of glass that make up the window. This is a crucial part of the insulative effect your double glazing delivers, and problems or frank failures in the seals could greatly diminish the benefits.

If your seals aren't able to do their job, the result is condensation between the panes. This isn't just unsightly but can also lead to dampness and mold in your home. Mold and damp can cause damage to floors, walls and furniture and could also have serious health implications for those with respiratory issues such as asthma.

The good news is that most double glazing companies will provide repair services for windows without replacing the entire unit. This isn't just cheaper and more affordable, but it could be a faster and more environmentally friendly option. There are other DIY alternatives, such as caulking to stop leaks and moisture intrusion or self-adhesive seals which can be placed directly on the junction of the window sash with the frame.

In the majority of instances, the easiest and most effective way to deal with damaged window seals is to call in an expert. They can repair the window seal and prevent air and moisture from getting into your home, which can cause expensive damage.

Make sure you know the warranty duration of your double glazing. It is usually between 10 to 20 years. This could save you money in the event that seals have failed and the windows have to be replaced. Some installers will drill holes in the misty double glazing to eliminate the moisture and then create an entirely new seal. This will prevent it from misting in the near future. This is a temporary fix, and a plug has to be inserted to seal the hole.

3. Locking Mechanisms

Double glazed windows utilize gaps of air between glass panes in order to insulate against varying outside temperatures and to help keep the heat inside the home. This kind of window could also be called an insulated unit (IGU). They can offer you lots of energy efficiency that can save on your heating expenses. But, they're not indestructible and some problems may occur that require double glazing repairs.

Most of these problems are easy to fix, and they're much cheaper than replacing the entire window. It is recommended to contact an expert company that offers double glazing repair services, to ensure that the job is completed correctly and with minimal hassle. Often these companies will provide an estimate for free so that you can compare costs and the quality of their work.

Make sure you check the warranty that came along with your double-glazed window. This will usually cover the costs of a repair. This is a common feature of all double glazing installations and typically lasts for 10 or 20 years, however some companies offer lifetime warranties.

If you are unable to open your double glazed window or it appears as if there is a mist between the panes, then it is likely because the seal has blown. This can occur when the frame of the window shifts in a slight manner, or when the container that keeps the glass sheets in place becomes damaged over time.

Repairing double-glazed windows can be done yourself, but it's usually simpler to employ a professional. If you try to do it yourself, then always follow the manufacturer's instructions and use the right tools for the job. It is also important to keep in the mind that if you attempt to remove the glass yourself, you'll lose any guarantee you might have and you could end up paying a higher cost than if you simply called the company from which you bought the windows.

After you have removed the broken glass and replacing 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. After that, you can install an additional wedge gasket and secure the window in the frame.

4. Weatherproofing

If your double glazing windows are difficult to open or have sagged, there are ways of fixing them. Oiling  double glazing repair near me , handles, or mechanisms to see if it improves. You can also replace gaskets to boost the performance of your windows and stop them from letting in cold air and drafts. These are available in a hardware store or on the internet. They are easy to install. You can consult for help from a professional if intend to do it yourself.

If you notice condensation between your window panes, this is also a situation which can be fixed easily. This is due to a broken window seal that allows moisture to get in between the glass panes. This could cause a mist to form on the glass, which is unattractive and ineffective.

One way of addressing this is to replace the gaskets, which can be done easily at home by anyone with a little DIY experience. Gasket sealer is essential for a good seal, and will help reduce the cost of energy. You can also use the calk to fill in any cracks. This will give your windows an extra boost of weatherproofing.

The seals can also fail on double-glazed windows. This can be caused by paint being applied to the windows, home renovations or general wear and tear. It is important that you repair your double-glazed windows as quickly as they begin to get misted.

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