20 Truths About Repair Double Glazing: Busted

· 6 min read
20 Truths About Repair Double Glazing: Busted

Why You Should Hire a Glazier to Repair Double Glazing Seals

If window seals fail, it can lead to increased energy bills and windows that are foggy. Hiring a professional to repair the damaged seals will stop the issue from getting worse.

Window seals play a crucial role in the insulation benefit that double glazing offers. They're simple to fix and can save money in the end.

Remove the Old Seal

Window seals break for various reasons. They can be damaged by poor installation, or become broken over time because of wear and tear. Although it is not possible to stop a window from breaking however, you can take steps to lessen the possibility of this occurring. Avoiding cleaning your windows with power, for example, can lower the chance of damage from high water pressure. Also, make sure that the window manufacturer does not advise the use of reflective window films on their windows since these can damage the window seal.

In the case of double glazed windows, the most common indication that a seal has been broken is the appearance of condensation between the two glass panes. This happens when the insulating inert gas like argon or krypton that was vacuum sealed between the two glass panes of the window is released. When this occurs, the window will be not able to keep cold air and moisture out of the home.

Repairing the window seal that is damaged is simple. A new wedge gasket seal can be bought at any hardware store. It should be simple to install in your uPVC window. If you're worried that you might not be able to install the new seal properly, you can spray water on the outside of the window frame to help to lubricate the process.


Before you begin installing the new seal, it is important to make sure there are no obstructions in the grooves of your window frame. This could include melting pieces of uPVC that are left behind from previous attempts to repair. You can chip away these areas using the chisel prior to beginning to make sure that the new seal will fit perfectly within your window frame.

While it is possible to repair a damaged uPVC window seal on your own however, it is recommended to leave the work to professionals. A professional glazier is equipped with the tools and skills to finish the job quickly and with the least amount of risk to your uPVC window.

Clean the Surface

Double glazing windows can cut down on the amount of noise pollution if installed and maintained properly. However windows with seals that is broken can let in air and moisture that can lead to numerous issues like condensation. Moisture inside a glass pane can be unattractive but it also causes mold to grow and can damage the frame. Repairs by a professional are needed. Other indicators of a failing seal include a draft which can be uncomfortable and costly to heat or a distortion of the glass, which can affect light transmission and impact the view.

The good thing is that double glazed windows are relatively simple to fix, particularly if the issue is caught early. While it is possible to perform this work yourself however, a professional is recommended because they have the expertise and access to the materials that can deliver long-lasting results.

To get the job underway it is essential to get rid of any silicone sealant in use that is removed by carefully scraping away the old material with a sharp blade. After removing any old sealant the surface needs to be thoroughly cleaned. After cleaning the surface the next step would be to reseal the windows.

Before re-sealing, take the bottom pane, and turn it upside down so that the side of the glass originally on the inside of the sealed unit is facing upwards. This surface should be thoroughly cleaned using dry, clean cloth.

Drilling holes in windows with double glazing is not an ideal option. To save money and avoid the need for an emergency call-out to the emergency services, you can drill small holes to insert a desiccate pack that absorbs any moisture between the two glass panes. The hole can then be rinsed with rubbing alcohol (isopropyl) to prevent the build-up of mould.

Double-glazed windows are designed to last, however they can fail at times. Many people need repairs to double glazing. The most common indications that seals are failing is condensation, drafts and a discolored look between the glass panes.

Apply for a New Seal

Window seals are important to ensure a secure and efficient glass-to-frame connection, regardless of whether you've just moved into your home or recently installed double-glazed windows. Over time, seals can become damaged due to weather and other external factors. If the seals have been damaged, you must make sure that you replace them as soon as you can. This will stop moisture from getting between the glass panes, which can lead to condensation, energy loss, and even damage to your home.

It is best to pick a day that is not soaked with rain to perform this task. It's going to be a time when you have the window open and you don't require lots of rainwater to seep into your home.  Sunbury-on-Thames double glazing  could damage the new seals. Wear protective eyewear if you're using power tools to remove old window seals. It's easy to let dust or debris in your eyes.

It is important to thoroughly clean the surface after removing the old seal before applying the new one. Clear the area with a utility knife or putty and then apply a fresh coating of silicone caulking. Be sure to add a small amount of the product to the exterior side of the frame as this will help to create an airtight and waterproof seal around the glass.

Paint the outside of your window frames to protect them from the elements. Particularly in hot weather, it's common for seals to form cracks, or damp spots and this is an extra step to maintain the quality of your window.

Although you can reseal your windows yourself however, if the issue is serious, it's recommended you contact an expert window company to do the work on your behalf. You can be assured that the new seals are properly installed, ensuring that your windows are energy efficient and safe.

Allow the seal to set

Double-glazed windows are an excellent choice for homeowners since it protects against the elements, keeps heat generated by your heating system inside and stops sunlight from getting out. But, it is able to do this if the window has been sealed correctly. A broken seal can cause mist and condensation to form between glass panes. It could also lead to energy loss, draughts and even security concerns. It is therefore important to fix a damaged seal as soon as you can in order to avoid damage to the window and to your home.

One of the most effective methods to determine if the window seal is failing is to feel for draughts and cold leaking from the frame's corners. If you feel it, the window gasket is sagging and is no longer making a seal. Another way to check is to look for signs of misting and condensation between the glass panes of your double-glazed windows. Both of these problems are caused by a leak in the seal of the double glazed window which allows moisture into that section and compromises its insulation properties.

There are kits for resealing the double glazing seals for those who are a DIY enthusiast. These kits usually require drilling a small hole into the window, and then cleaning it using a magnet. They then place drying pellets in the hole, which disappear and then plug the hole with 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.

If you've attempted to repair your window seals on your own or have hired an expert company to do the work, it is imperative that you allow the new seal to cure prior to use. It could take several days or some weeks to cure the sealant, so you must wait until then to open the window. A window that's been sealed will need to be treated with care and care and it's a good idea to lay an old duvet or towel on the work surface to shield it from scratches and stains.