10 Factors To Know Regarding Repair Double Glazing You Didn't Learn In School

10 Factors To Know Regarding Repair Double Glazing You Didn't Learn In School

Why You Should Hire a Glazier to Repair Double Glazing Seals

When 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 problem from becoming worse.

The window seals are essential to the insulation provided by double glazing. They're easy-to-repair and can save you money in the end.

Take off the Old Seal

The seals can break for numerous reasons. They may be damaged due to poor installation, or they could become broken over time due to normal wear and tear. Although it is impossible to completely prevent the window seal from breaking, taking a few precautions can help ensure that the issue is less likely to occur. For instance, avoiding the power wash on your windows will help reduce the risk of damage caused by high levels of pressure in the water. Make sure that the manufacturer of the windows does not advise using reflective window films since they could damage the seal.

The most frequent sign of a broken seal in double-glazed windows is the presence of condensation between the two panes. This happens when the inert gas that is sealed by vacuum, such as argon and krypton, that was between the two panes glass has been released. When this happens the window is no longer able to keep cold and moisture out of your home.

Repairing the window seal that is faulty is easy. You can purchase a new wedge gasket seal from any hardware store and it will be easily installed in your uPVC windows. If you are concerned that you might not be able install the new seal correctly you can spray water on the exterior of the window frame to lubricate the process.

It is important to check the grooves on your window frame before installing the new seal. These can include melted pieces of uPVC that are usually left behind from previous attempts to repair. You can use a chisel chip away these areas before you begin the repair. This will ensure that the new rubber seal fits properly into the window frame.

It is possible to repair a broken uPVC seal by yourself however, it is best to leave it to the experts. A professional glazier has the equipment and expertise to complete this task quickly and with minimum risk to your uPVC window.

Clean the Surface

If double glazing windows are properly fitted and maintained, they offer excellent insulation and can reduce noise pollution. However window seals that is damaged may let in air and moisture that could cause various issues, such as condensation. The presence of moisture on the inside of the glass pane is not just unsightly, but it could cause mould to develop and cause damage to the frame, making it essential to seek professional repair. Other indicators of a faulty sealing include a draft that can be uncomfortable and costly to heat or glass distortion that could affect light transmission and impact on the view.

The good news is that double glazing windows are relatively simple to fix, especially if the issue is caught early. Although it is possible to do this work yourself however, a professional is recommended as they are knowledgeable and have access to the materials that will give long-lasting results.


To begin, you'll need to remove any silicone sealant that is already in place. This can be done with a sharp knife. After removing any sealant that was previously used, the surface must be thoroughly cleaned. After the surface has been cleaned the next step is to seal the window.

Before sealing the unit, turn the bottom pane upside down so the glass face that was originally inside the sealed unit faces upwards. Thoroughly clean this surface with a dry cloth and dry it so that there are no water marks left.

Drilling holes in windows with double glazing is usually not a good idea but when it comes to saving money and preventing the need for a call from a professional out, a tiny hole in the seal could be used to tuck in the desiccate container that will absorb any moisture that might be accumulating between the two glass panes. The hole can then be rinsed with rubbing alcohol (isopropyl) to stop the build-up of mould.

Double-glazed windows are made to last a long time but they can and do fail and a lot of people are in need of a professional  double glazing repair . The majority of the time, window seals fail when there is condensation between the glass panes or when there are drafts.

Apply a New Seal

Window seals are crucial for maintaining a tight and energy-efficient glass-to frame connection, whether you have just moved into your home or recently installed double-glazed windows. Over time, however, the seals can be damaged due to aging and external influences such as weather. It is crucial to replace damaged seals as soon as possible. This will prevent moisture from getting between the glass panes, which could cause condensation, energy loss and even damage to your home.

It is best to pick a day that is not soaked with rain to complete this task. You will be working with the window open, and you don't require much rainwater to enter your home. This could harm the new seals. Wear eye protection when working with power tools to remove old window seals. It's easy to get debris or dust into your eyes.

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

It's also a good idea to paint the exterior of your window frames, as this will keep them safe from the elements. This is a great way to ensure the integrity of your window, particularly during hot temperatures.

Although you can reseal your windows yourself however, if the issue is serious, it's recommended you get an experienced window company to carry out the work on your behalf. This way, you can be sure that the new seals will be put in place correctly, ensuring that your windows are secure and energy efficient.

Allow the seal to cure

Double-glazed windows are an excellent choice for homeowners because they protect against the weather and keep the heat generated by heating systems within. They also stop sunlight from getting out. It is only able to do this when the window seal is correctly installed. A broken seal can cause mist and condensation to form between the glass panes. It can also cause energy loss, draughts and even security concerns. It is crucial to address a broken seal as quickly as you can to avoid damage to the window as well as your home.

You can test the seal of your window by squeezing for draughts, or cold around the frame's corners. If you can feel it, the window gasket is sagging and is no longer creating an airtight seal. Also, you can check for condensation or misting between the glass panes of the double-glazed windows you have. Both of these problems are caused by a leak in the seal of the double glazed window, which lets moisture into that section and compromises its insulation properties.

If you're a keen DIYer, there are several DIY kits for resealing double glazing seals. These kits usually require drilling a small hole into the window, and then cleaning it using a magnet. They then insert drying pellets which disappear and then seal the hole using clear concrete. 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.

Whether you have tried to repair your window seals yourself or enlisted the help of a professional service, it is crucial to allow the new seal to dry prior to using. It may take a few days or even several weeks to cure the sealant so you should wait until that time to open the window. It is essential to treat windows that have recently been resealed with care. To protect it from scratches or stains it is best to lay an old towel on the work surface.