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This Is The Repair Double Glazing Case Study You'll Never Forget
Why You Should Hire a Glazier to Repair Double Glazing Seals

If window seals fail, they can result in more expensive energy bills and foggy glass. Employing a professional to repair the broken seals will prevent the issue from getting worse.

The window seals are vital to the insulation offered by double glazing. They are easy to repair and can save money in the end.

Remove the Old Seal

Window seals break due to many reasons. They can be damaged due to poor installation or broken due to normal wear and tear. While it is impossible to stop windows from breaking, you can take some precautions to reduce the likelihood of this happening. For example, avoiding using power washing on your windows will help to reduce the risk of damage that is caused by high levels of pressure in the water. Make sure that the manufacturer of windows doesn't recommend using reflective window films as they can cause damage to the seal.

In the case of double-glazed windows, the most frequent sign that the seal has broken is the appearance of condensation between the two panes of glass. This happens when the inert gas that is sealed by vacuum, such as argon and Krypton, which was in between the two panes of glass has disappeared. Once this happens, the window is no longer able to seal cold air and moisture out of the house.

It is good to know that repairing a broken window seal is quite simple. A new wedge gasket can be bought at any hardware store. It should be simple to install in your uPVC window. If you are concerned that you will not be able install the new seal correctly then spray water on the exterior of the window frame to lubricate the process.

Before you install the new seal, it is important to ensure that there aren't any obstructions in the grooves of your window frame. These can include melted pieces of uPVC that are left behind from previous attempts to repair. You can use a chisel remove these areas prior to you begin the repair. This will ensure that the new seal is properly fitted into the window frame.

It is possible to repair the broken uPVC seal by yourself however, it is best to leave it to the experts. A professional glazier will have the skills and tools necessary to complete this job quickly and efficiently, while ensuring little risk of causing damage to your uPVC windows.

Clean the Surface

Double glazing windows can help reduce noise pollution if they are installed and maintained in a proper manner. A damaged window seal could allow moisture and air to get in, which can lead to many problems like condensation. Moisture in a glass frame can be unattractive, but it also causes mould to grow and damage the frame. Repairs by a professional are needed. Other signs of a damaged sealing include a draft that can be uncomfortable and costly to heat, or a distortion in glass which can affect the light transmission and impact on the view.

The good news is that double glazing windows are fairly simple to fix, particularly when the problem is discovered early. While it is possible to perform this work yourself however, a professional is recommended as they have the knowledge and access to materials that can give long-lasting results.

To begin the process it is important to eliminate any silicone sealant in use that is removed by carefully scraping away the old material using a sharp blade. After that, the surface must be thoroughly cleaned to get rid of any dirt and debris that might have been accumulating. Once the surface is clean, the next step is to re-seal the window.

Before sealing the unit first, turn the bottom pane upside down so that the glass face that was originally inside the sealed unit faces upwards. The surface must be thoroughly cleaned with a clean, dry cloth.

Drilling holes into a double-glazed glass window is not an ideal option. However, to save money and avoid the necessity of an emergency call-out, you can use a small hole to insert a desiccate packing which will absorb any moisture between the two panes of glass. The hole could then be cleaned using rubbing alcohol (isopropyl) to prevent the growth of mould.

Double-glazed windows are made to last, however they do sometimes break down. Many people require repairs to double glazing. The most common indications that the window seals are failing is condensation, drafts and a blurred appearance between the glass panes.

Apply for a New Seal

Window seals are essential to ensure a secure and energy-efficient glass-to-frame connection, no matter if you've recently moved into your new home or have recently installed double-glazed windows. As time passes, seals may be damaged due to weather and other external factors. It is crucial to replace damaged seals as quickly as you can. This will prevent moisture from getting into the space between the panes of glass, which can lead to condensation, a reduction in energy efficiency, or even water damage to your home.


It is best to pick a day that is not soaked with rain to perform this task. You will be working with the window open, and you don't require a lot of rainwater to seep into your home. This could damage the new seals. Wear protective eyewear if you're using power tools to remove old window seals. It's easy to get debris or dust in your eyes.

After you've removed the old seal, it's crucial to clean the surface prior applying a new one. Clear the area with a putty or utility knife and apply a fresh coating of silicone caulking. Apply a globule of caulking to the outside of the frame as well. This will help create an airtight seal and waterproof seal around the glass.

Paint the exterior of the frames of your windows to shield them against the elements. This is a great way to protect the integrity of the window, especially in hot temperatures.

While you can reseal your windows yourself but if the issue is serious, it's recommended you contact an experienced window company to do the work on your behalf. You can be assured that the new seals have been installed correctly, ensuring your windows remain energy efficient and safe.

Allow the seal to cure

Double glazed windows are a fantastic option for homeowners because they protect against the elements and also keep heat generated by your heating systems inside. They also prevent sunlight from leaving. It can only do so if the window seal is correctly installed. double glazing repairs damaged window seal could lead to mist and condensation between the glass panes, loss of energy as well as draughts, and even security issues. To avoid damaging your window and home, it is essential to repair a damaged seal immediately.

One of the most effective ways to test if your window seal is failing is to feel for draughts and cold leaking from the corners of the frame. If you feel it, then the gasket has sunk and is no longer making an airtight seal. Another method to determine this is to look for misting and condensation between the glass panes of your double glazed windows. Both of these issues result from leaks in the double-glazed window seal. This allows moisture to enter that section, which can compromise its insulation properties.

If you are a keen DIYer, there are several DIY kits for resealing double glazing seals. They usually require drilling a small hole into the window, cleaning the inside using a magnetic tool, inserting drying pellets that eventually disappear, and then plugging the hole with clear cement. However, while these kits do have a good track record of providing quick results, they do tend to need doing more often than professionally-installed windows and they don't always provide a lasting solution.

It is essential to let the sealant completely dry before you use it, regardless of whether you replaced your window seals yourself or employed a professional. It could take a few days or even several weeks to cure the sealant so you must wait until the time is right to open the window. It is important to treat windows that have recently been resealed with attention. To shield it from staining or scratches, you can lay down an old towel on the surface to work on.

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