Replacing Double Glazed Windows

Whether you want uPVC Sash windows or aluminum casements, there's an extensive range of options available to fit the style of your home as well as your energy efficiency needs. Modern double glazing provides a host of benefits such as noise reduction, UV-ray protection, and property security from multipoint locking mechanisms.

What can you do if your double glazing 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 a normal event and indicates that the double glazing unit is functioning 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 the surrounding air. This causes water vapour from the air to be drawn into the cold window where it condenses. This is aggravated by the presence of plants in your home that create excessive moisture as well as high humidity.

If you notice condensation appearing inside your double-glazed unit, it is a far more serious problem and it is a sign that the seal between the two glass panes is broken, allowing warm air from your home to enter while the gas that is used to insulate it is lost. This can cause significant damage to the double glazing and, if left untreated will greatly impact the cost of energy.

Installing replacement double glazing immediately after this type of condensation is noticed will decrease the likelihood that it will worsen and doors cost you more in the end. The replacement handles for windows of your double-glazed windows can also be a great opportunity to upgrade to A-rated energy-efficient windows that will make your home more comfortable as well as reducing your energy bills further.

2. Wear and tear signs

Double glazing has many benefits that include the reduction of energy costs and noise. However, as with any other item, double glazed windows are not a lifetime product and it's crucial to be aware of indicators that they're reaching the end of their usefulness.

One of the most obvious signs is visible condensation. This is due to the temperature difference between the two panes of glass and if you notice this, it's an indication that the seal on the window screen replacement is damaged and it's time to have the windows replaced.

If the window seal fails, cold air can enter your home. This is not just a waste of energy, but also results in damp and mould. Both of these are expensive to repair. Additionally, both damp and mould can be harmful to your health as they can create allergens and irritants that could impact on your family's wellbeing.

Draughts in your windows are another sign that the sealants are beginning to wear. This allows outside noise to enter your home, which could be distracting. This could affect your ability to work from home, or how relaxing your home is.

If the windows are not opening and closing smoothly it's an indication that they should be replaced. This could be a security issue if windows do not open when required in an emergency such as a fire and should not be ignored. A qualified window fitter can evaluate the condition of your existing windows and provide recommendations on the best course of action.

3. Draughts

If you are experiencing draughts out of your windows, it is likely that the seals in your double glazing have burst. Sealants are used to keep the panes of glass together and assist with insulation, but it can often be damaged due to changes in weather or by simply ageing. As a result, cold air comes into your home, while warm air escapes which can cause draughts and lower energy efficiency.

Another reason why draughts may be happening is because the frame of your window is distorted and not sealing correctly. This means that moisture could get trapped inside the frame, which can also cause draughts and rotting as time passes. This is a serious issue and you must replace your double-glazed windows as soon as you can.

A misted double glazed window is a clear sign that your sealed unit has sprung a leak or the gas between the panes is escaping. This is a serious problem and you must replace it right away to prevent water from entering your home. It also stops heat from escaping and will reduce the effectiveness of your insulation. If your windows remain under warranty, contact the company and they should be able to fix them for you.

Cracks and chips in your double-glazed windows aren't always a sign they need replacing however, they can have a negative impact on their overall performance. They may also limit the amount of light that goes through, which can cause drafts. If your windows have large cracks or chips, they might not be able support the weight of replacement units, which would require new window frames.

4. Increased Utility Bills

Energy costs are a major household expense and that's why it is essential to keep them as low as is possible. The high cost of energy doesn't just take a chunk out of your budget, they also put unnecessary strain on the environment, something we all wish to be able to less of. One of the main causes of skyrocketing energy bills is leaky windows, which let heat escape your home but also cause draughts 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 between the double-glazed panes, it is a sign that your windows need to be replaced. This is a sign of a broken seal, which means air is leaking in and out of the house. The insulation is also not functioning properly.

If your double glazing is misting it's time to replace the glass. This is a clear indicator that the seal has failed and water is accumulating between the glass panes. Having your double glazing replaced will prevent moisture from entering your home, preventing heat from escape and help keep your home warm.

You can reduce energy usage and improve the appearance of your home, and conserve heat by replacing your double-glazed windows with energy-efficient windows. This will also boost the value of your home and make it more attractive to prospective buyers in the event that you decide to sell. With Category B-rated double glazing, you can expect to save as much as PS115 per year on heating costs, which will quickly cover 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 essential to get your double glazing repaired as soon possible in the event that the glass has turned misty. This can be a safety issue. It could also result in more in energy costs due to the loss in insulation.

The cause of misty windows is moisture in the air between the two panes of your IGU (insulated glass unit). Gas inside the glass, usually Krypton or argon helps in insulating. When the seal fails, this gas leaks and causes your window to become cloudy.

Check your warranty to see whether it covers premature seal failure. Some manufacturers offer a prorated warranty that is based on the age of your window. This is something to consider.

Other signs that you need to replace your uPVC windows include: