Replacing Double Glazed Windows

Whether you want uPVC sash windows or aluminium casements, there's a vast variety of options to suit the aesthetic of your home as well as your energy efficiency needs. Modern double glazing provides numerous benefits like noise reduction, UV-ray protection and security of your property with multipoint locking mechanisms.

What can you do if your double glazed is showing signs of wear?

1. Excessive Condensation

In the winter, when windows and doors are closed, condensation may form inside the glass panes if the air temperature is warmer than the window's surface. This is a natural occurrence that can be prevented by opening windows, improving ventilation more generally, running a dehumidifier and keeping moisture levels low with extractor fans. However, if condensation forms regularly on the interior of your windows this is a sign that the double glazing has failed and it needs replacing as soon as possible.

Condensation on the outside of your windows is normal and is a sign that the double glazing unit is functioning just as it is supposed to. The condensation that forms outside your windows in mornings is caused by the temperature of the cold glass falling below the dewpoint of surrounding air. This causes the water vapour in the air to be drawn into the cold window where it condenses. This is made worse by the presence of plants within your home that produce excessive moisture, as well as by high humidity.

If you notice condensation appearing inside your double glazing this is a much more serious issue. It is it is a sign that the seal between the two glass panes has broken which allows warm air from your house to enter while insulating gas is evaporating. This can cause significant damage to the double glazing and if it is not addressed will greatly impact the cost of energy.

Installing replacement double glazing immediately you detect this kind of condensation can dramatically reduce the chance that the issue will get worse, thereby saving you money in the long run. It's also a great opportunity to upgrade your double glazing to energy efficient A-rated windows. This will improve the comfort of your home and lower your energy bills.

2. Signs of Wear and Tear

Double glazing provides a number of benefits such as noise insulation and a reduction in energy costs. But, like every other product double glazed windows are not a lifetime product and it's crucial to be aware of signs that they are reaching the limit of their utility.

Condensation visible is one of the most obvious indicators. This is due to the differing temperatures between the two panes. If you notice it, it could be a sign the window seals have failed.

If the window seal fails, then cold air will be able to enter your home which does more than just waste energy but can also cause damp and mould and both are expensive to fix. Both damp and mould can be dangerous to your health, because they can trigger allergens and irritations that could affect the wellbeing of your family.

Draughts are another sign of sealants that have begun to wear. This can allow outside noise to enter your home and be a major distraction, particularly if you live close to an area with a lot of traffic or noisy neighbours. This could affect your ability to work from home, or how peaceful your home feels.

In the end, if windows aren't opening and close easily, it's an indication that they require to be replaced. It could be a safety issue if the windows aren't opening in a situation of emergency, such as a house fire. This is a problem you shouldn't ignore. A professional window installer will be able to assess the condition of the windows you have and offer suggestions on the best way to proceed.

3. Draughts

If you've noticed drafts passing through your windows, this is usually a sign that the seals inside your double glazing have blown. A sealant is used to secure the glass panes together and aid in insulating, however this can be damaged due to weather changes or simply aging. In the result, cold air comes into your home, glaze and warm air is emitted which can cause draughts and reduced energy efficiency.

A window frame that is not properly shaped and is not sealed properly could also lead to drafts. As a result, moisture may get trapped within the frame, which will also cause draughts and rotting as time passes. This is a serious issue and you must replace your double glazing as soon as you can.

A misted double-glazed window is an indication that the sealed unit has let out or gas has escaped between the panes. This is a serious issue and you must replace window handle it right away to prevent water from entering your property. It will also stop heat from escaping, and decrease the effectiveness of your insulation. If your windows are covered by warranty, you can ask the company to replace them.

Cracks and chips in double glazing are not always a sign of needing replacement however they can have an impact on the overall performance. They also decrease the amount light that passes through, which can cause drafts. Additionally, if there are deep cracks or chips in your windows, it's unlikely that they will be able to support the weight of a replacement double glazed window unit, which will require an entirely new window frame.

4. Higher Utility Bills

Energy costs are a major household expense and that's why it is essential to keep them as low as is possible. Energy bills that are high not only cost a lot of your budget, glaze but they also put unnecessary strain on the environment, something we all wish to reduce our impact of. One of the biggest reasons for rising energy costs is the leaky windows that allow heat to escape from your home, but also create drafts that require you to make use of more energy to heat your home. Energy efficient windows can help you save money and reduce the cost of energy.

If you notice condensation forming between the panes of your double glazing, it is a clear indication that they need to be replaced. This is an indication of a damaged seal, which means air is leaking in and out of the house. The insulation is also not functioning properly.

Another indication that your double glazing is in need of replacement is if they're misting up. This is a sign that the seal is broken and water is trapped between the glass panes. Double glazing can stop moisture from entering your house, stop heat from escaping and keep your home warm.

You can reduce energy usage and enhance the appearance of your home and preserve heat by replacing your double-glazed windows with energy-efficient windows. This will also add value to your home, making it more attractive for potential buyers if you decide to sell it in the future. With category B rated double glazing you can expect to save as much as PS115 per year in heating costs, which can quickly pay for the cost of the windows you have purchased.

5. Faulty Windows

If you have a double glazed window that has become foggy, misty or hazy, this is an early sign that the seal has failed. It's also a sign that the glass has lost its insulation value and could lead to draughts and condensation. In addition, the gap around the edges of your windows can allow water to enter and damage your wall or plaster. This can also be a serious fire risk.

It is crucial to get your double glazing repaired as soon as you can when the glass is becoming blurred. This could be a safety issue. It could also result in more in energy bills because of the loss in insulation.

Moisture in the air between your IGU's (insulated glass units) can cause misted windows. The gas in the glass - usually argon or krypton - helps in insulating the glass, and if the seal fails this gas leaks out, causing the window to fog up.

Check your warranty to see whether it covers premature seal failure. In some instances, manufacturers offer a prorated warranty, that is based on the age of your windows, and this might be a viable option.

Other signs that your uPVC window should be replaced include: