An Intermediate Guide On Repair Double Glazing

· 6 min read
An Intermediate Guide On Repair Double Glazing

Why You Should Hire a Glazier to Repair Double Glazing Seals

When window seals fail, they could result in more energy costs and foggy glass. If you don't address the issue, it can only cause it to get worse and hiring an expert glazier to fix the broken seals is a wise choice.

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

Take off the Old Seal

Window seals break due to various reasons. They can be damaged due to improper installation or become broken through time due to normal wear and tear. Although it is impossible to completely stop the window seal from breaking, taking some precautions can ensure that the problem is less likely to occur. Avoiding the power washing of your windows for instance, will reduce the risk of damage caused by high water pressure. Make sure that the manufacturer of the windows does not recommend using reflective window film as they can damage the seal.

In the case of double-glazed windows, the most common indication that the seal has broken is the appearance of condensation between the two glass panes. This happens when the gas that acts as an insulator like argon or krypton that was sealed by vacuum between the two glass panes of the window has escaped. When this occurs, the window is no longer able to seal cold air and moisture out of the home.

Fortunately, repairing a faulty window seal is a simple. A new wedge gasket seal can be bought at any hardware store. It is likely to be simple to install in your uPVC window. If you are worried that you might not be able install the new seal correctly then spray water on the exterior of the window frame to help to lubricate the process.

It is important to check the grooves of the window frame prior to installing the new seal. This could include melting uPVC pieces that are often left over from previous repairs. You can use a chisel chip away these areas before you begin the repair. This will ensure that the new rubber seal is a perfect fit into the window frame.

It is possible to repair a broken uPVC seal by yourself, but it's best to leave it to the professionals. A professional glazier will possess the skills and tools necessary to finish the 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 when they are installed and maintained correctly. A damaged window seal could allow air and moisture to be able to enter, which could cause a variety of problems such as condensation. Moisture in a glass frame can be unsightly, but it also causes mould to develop and cause damage to the frame. Repairs by a professional are required.  double glazing window repairs  of a failing seal include a draft, which can be uncomfortable and costly to heat or cause distortion in the glass, which can alter light transmission and affect the view.

The good thing is that double glazed windows are fairly simple to fix, especially when the problem is discovered early. While it is possible to complete the job yourself, a professional is usually recommended as they have the experience and access to high-quality products that will last for a long time.

To begin, you will need to remove any silicone sealant that is already on the surface. This can be done by using a sharp knife. After that, the surface is required to be thoroughly cleaned in order to remove any dirt or debris that may have accumulated. Once the surface is clean the next step is to re-seal the window.

Before sealing again, remove 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. Thoroughly clean this surface with a dry cloth and dry it so that there are no water marks left.

Drilling holes into windows with double glazing is not a good idea. However, to save money and avoid the need for an emergency call out, you can use small holes to insert a desiccate packing that will absorb any moisture between the two panes of glass. The hole can be cleaned with ruby alcohol to stop the growth of mould.

Double-glazed windows are constructed to last for a long time, however they do break down and many homeowners require professional help to repair their double glazing. Most often windows fail to seal when there is condensation between the glass panes or if there are drafts.

Apply for a New Seal

If you've recently moved into a new home or just have your double-glazed windows installed, window seals play a important role in ensuring an airtight and energy efficient glass-to-frame connection. As time passes, seals may be damaged due to weather and other external factors. It is essential to replace damaged seals as fast as possible. This will stop moisture from entering between the glass panes which can lead to condensation, energy loss and even damage to your home.

It's best to choose an afternoon with a low amount of rainfall while you're performing this task. You'll be working with a window open, so you shouldn't have huge amounts of rainwater flowing into your home and possibly causing damage to the new seals. Also, if you're going to make use of power tools to remove the old window seals, ensure that you wear eye protection as it is easy to catch dust or other debris into your eyes.

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

It's also an excellent idea to paint the exterior of your window frames, as it will help shield them from the elements. Particularly in hot weather, it's not uncommon for seals to develop cracks or damp spots and this is an extra step to ensure the quality of your window.

You can seal windows on your own, but if the problem is severe it is best to speak with an expert company that is specialized in window sealing. This way, you can be sure that the new seals will be put in place properly to ensure that your windows remain secure and efficient in energy use.

Allow the seal to cure

Double-glazed windows are a great choice for homeowners since they shield against the elements and keep the heat produced by your heating systems inside. They also block sunlight from leaving. It can only do so when the window seal is properly installed. A broken window seal can result in condensation and mist between the glass panes, loss of energy as well as draughts, and even security issues. To ensure that your window isn't damaged and home, it's important to fix a broken seal right away.

You can test the seal of your window by feeling for draughts or cold around the corners of the frame. If you can feel it, the window gasket has sunk and is no longer making a seal. You can also check for misting or condensation between the glass panes of your double-glazed windows. Both of these issues result from a crack in the seal of the double glazed window, which lets moisture into the window and weakens its insulation capabilities.


There are DIY kits for resealing the double glazing seals available in case you are a DIY-er. These kits typically require drilling a small opening into the window and cleaning it using a magnet. They then insert drying pellets 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.

Whether you have tried to repair your window seals yourself or hired an expert company to do the work, it is imperative to allow the new seal to cure prior to making use of it. It can take between a few days to several weeks for the sealant to fully cure, so it's best to wait until it is to open the window once more. It is essential to take care of windows that have just been resealed with attention. To shield it from scratches or stains it is best to lay an old towel on the surface to work on.