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20 Trailblazers Setting The Standard In Repair Double Glazing Windows
How to Repair Double Glazing Windows

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

One common issue is condensation accumulating in the gap between the two glass panes. This is a sign that the window needs to be repaired.

1. Broken Panes

A damaged double pane window is a major issue and can leave your home exposed to the elements. It is not always necessary to have the entire sash of the window to be replaced to solve this issue. Double pane windows can be fixed by using an adhesive that is specifically designed to be placed inside the cracks.

This short-term fix is usually used to prevent superficial cracks (such as stress cracks) from becoming worse that can happen when the temperature changes cause the glass to expand and contract. If your glass has broken, you may need to remove and replace the entire window.

The seals between the two panes of glass can wear away or break, causing misting and condensation on the windows. Most often, these issues result from moisture that is trapped between the two panes of glass or dripping through the window frame and into the wall. Whatever the cause, moisture is bad news for your double glazed windows because it can lead to mold growth and water damage, which can be costly to treat.

To reduce the misting or condensation problem under control, you should first try wiping your double-glazed windows with cold water. This will help temporarily solve the issue especially in the case of warm and humid. You can also use the help of a dehumidifier in cooling the room with your double-glazed windows. This is particularly useful in the summer months.

If the issue continues, a double glazing specialist is able to visit your home and clean the space between the panes of glass. They can also use tools to create lines of scoring around the perimeter of your windows, where you should cut the glass using a glass cutter (inexpensive cutters are available in hardware stores). Once you have finished, you should remove all the glazing points and putty from the frame of your window opening. It is recommended to do this while the sash remains in place. However it is simpler to work on flat surfaces, such as a table.

2. Seals

The window seal is a crucial element of double glazing. It assists in keeping your home safe and energy efficient, as well as free of draft. The seal is located at the outer edge of uPVC frames and creates an airtight seal in the space between the two panes of glass. The seals are an essential element of double glazing's insulating properties. If they fail or are faulty they will reduce the insulation.

If your seals aren't performing their job, you'll notice condensation between the panes. It's not just ugly and can cause damp and mould within the home. It can damage walls, furniture, floorboards and create serious health issues for those with respiratory conditions such as asthma.

The majority of double-glazing manufacturers provide a service that allows you to repair your windows without having to replace the entire unit. This isn't only cheaper, but it can be a quicker and greener alternative. There are also DIY alternatives, such as caulking for leaks or moisture intrusion or self-adhesive seals that are placed directly on the junction of the window sash with the frame.

In most cases, the simplest and most effective way to fix a damaged window seal is to call in an expert. They'll be able replace the window seal to prevent the entry of moisture and air which can cause expensive damage and can help your home remain energy efficient.


It is worth looking over the documentation of your double glazing to find out if it has an assurance period of 10 to 20 years is the norm and can save you money if your windows require replacement due to broken seals. Some installers will even drill holes in misted double glazing and draw out the moisture to create a new seal to prevent it from misting again in the future. This is a temporary fix, and a plug must be put in to seal the hole.

3. Mechanisms for Locking

Double-glazed windows utilize air gaps between the glass panes to provide insulation against changing temperatures outside and to keep warm in the home. This type of window is also referred to as an insulated glass unit (IGU). They can offer you a lot of energy efficiency which saves on your heating costs. However, they aren't indestructible and some problems may arise that require double glazing repairs.

Most of these problems are simple to fix and are less expensive than having to replace the entire window. It is best to contact a specialist company who offer double glazing repair services, to ensure that the repair is done in a timely manner and without hassle. They will usually provide an estimate for free to allow you to compare the prices and the quality of their work.

Make sure you check the warranty that came along with your double-glazed window. It will typically cover the costs of repairing. This is a common feature of double glazing installations and generally lasts 10 to 20 years, however certain companies offer lifetime warranties.

If you cannot open your double-glazed window or it appears that there is a cloud of mist between the panes, it could be because the seal has blown. This could happen if the frame of your window shifts in a slight manner or when the packaging that keeps the glass sheets gets worn out over time.

Repairing double-glazed windows can be done yourself, but it's more cost-effective to hire a professional. If you attempt to do it yourself, you must always follow the manufacturer's instructions and use the right tools to complete the task. It is also important to keep in the mind that if you attempt to remove the glass yourself, you'll lose any guarantee that you might have and could result in a larger cost than if you simply called the company from which you bought the windows.

Once the damaged pane is removed, you can put it back with plastic spacers, making sure it fits in the frame and add any necessary uPVC beading. You can then fit the gasket with a new seal and secure the window.

4. Weatherproofing

There are solutions to fix double glazing windows that are difficult to open or have sagged. Oiling the hinges, handles or mechanisms to see if it helps. You can also replace the gaskets to improve your windows' performance and prevent them from opening up to cold air and draughts. They can be purchased at a hardware store, or on the internet and they are easy to install. You can ask for help from a professional if intend to do it yourself.

Condensation between windows is another issue that can be fixed easily. This is due to an unsound window seal that allows moisture to enter between the glass panes. This can cause the glass to fog up, which is unattractive and ineffective.

One solution is to replace the gaskets which can be accomplished at home by anyone with a basic DIY knowledge. Gasket sealers are essential for a strong seal and can help cut down on the cost of energy. You can also use a calk in order 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 painting near the windows, renovation work on the property or just general wear and tears. If you notice that your double glazed windows have become misted it is crucial to fix them as soon as possible.

Double-glazed windows are a great addition to any home. They are windows that are energy efficient and secure, which will keep the warmth inside and the cold outside. However, there are instances that it is recommended to replace your double-glazed windows rather than repair them. This could include frames that are damaged or broken, or panes that are not suitable for double glazing.

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