Replacing Double Glazed Windows

Whether you want uPVC sash windows or aluminium casements, there's a vast variety of options to fit the style of your home as well as your energy efficiency needs. Modern double glazing has many benefits, including noise reduction, UV protection and property security thanks to 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 the windows glasses replacement is normal and indicates that the double glazing unit is functioning just as it should. Condensation on the outside of your windows in the morning is due to the cold glass temperature falling below the dew point of surrounding air, causing water vapour to rise from the air and into the cold glass, where it condenses. This can be exacerbated by the presence of plants within your home that produce excessive moisture, as well as by high humidity.

If condensation forms inside your double glazing this is a much more serious issue. It is an indication that the seal between the two glass panes has broken and allows warm air from your house to find its way in while the gas that is used to insulate it is lost. This can cause serious damage to your double glazing and if left untreated will result in a significant increase in your energy bills.

Having replacement double glazing installed immediately you notice this type of condensation can drastically decrease the likelihood that the problem will get worse, thereby saving you money in the end. It is also a great opportunity to upgrade your double glazing to energy-efficient A-rated windows. This will make your home more comfortable and will lower your utility costs.

2. Signs of wear and tear

Double glazing can provide a variety of benefits, including noise insulation and saving on energy bills. However, just like any other product double glazed windows have a lifespan and it's crucial to be aware of signs that they are reaching the end of their usefulness.

Visible condensation is among the most obvious indicators. This is due to the difference in temperature between the two panes of glass and if you notice this, it's an indication that the seal on the window has failed and it's time to have the windows replaced.

If the window seal fails, cold air can enter your home. This is not only a waste of electricity, but also causes damp and mould. Both are costly to fix. Additionally, both damp as well as mould can be harmful to health since they can cause allergens and irritants that could impact on your family's wellbeing.

Draughts are another indication of sealants beginning to wear. This allows outside noise into your home, which can be a distraction. This can impact your ability to work from home or how peaceful your home is.

If windows aren't opening and close easily, it's an indication that they need to be replaced. It could be a safety issue if the windows do not open in a crisis situation, such as an incident involving fire in your home. 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 make recommendations regarding the best option.

3. Draughts

If you've noticed draughts entering your windows, it is usually a sign that the seals in your double glazing have blown. A sealant is used to keep the glass panes together and help with insulation, but this can be damaged by weather changes or simply aging. This can cause cold air to enter your home, and warm air to escape, causing drafts and a decrease in energy efficiency.

A window frame that is not properly shaped and not sealing properly can also cause drafts. This means that moisture may get trapped within the frame, which will also cause draughts and rotting as time passes. This is a serious problem and it is essential to have your double glazing replaced as soon as is possible to avoid any further issues.

A double-glazed window glass replacement that is misty is an indication that the sealed unit has let out or the gas has escaped between the panes. This is a serious issue and you must replace it immediately in order to stop water from entering your home. It will also stop the heat from leaving and reduce the effectiveness of your insulation. If your windows are still under guarantee, check with the company and they will be able to fix windows for you.

Cracks and chips in your double glazing aren't always a sign that they need replacing, but they can have a negative impact on their overall performance. As well as allowing cold air to get in and out, they can also reduce the amount of light that is let in and cause draughts. If your windows are afflicted with deep cracks or chips, they might not be strong enough to support the weight of replacement units, which would require new window frames.

4. Higher Utility Bills

Energy costs are a major household expense, which is why it's crucial to keep them as low as you can. Energy bills that are high not only cost a lot of your budget, they also put unnecessary strain on the environment, something we all wish to reduce our impact of. Windows that leak are a major reason for high energy costs. They don't just let heat escape from your home and create drafts that force you to use additional energy to heat your home. Installing double glazing using energy efficient windows will reduce your energy bills and save you money year after year.

If you see condensation appearing between the panes of your double glazing it is a clear indication that they need replacing. This is an indication of a faulty seal, which means air is leaking in and out of the house. Insulation is also not working properly.

Another indication that your double glazing requires replacement double glazing window is if they are misting up. This is a clear indication that the seal is broken and water is getting trapped between the panes of glass. The replacement of your double glazing will stop moisture from getting into your home, preventing heat from escape and help keep your house warm.

You can reduce energy usage, improve the look of your home, and conserve heat by replacing your double-glazed windows by energy-efficient windows. This will also boost the value of your home, making it more appealing to potential buyers should you decide to sell. With Category B-rated double glazing, you can anticipate saving up to PS115 per year in heating costs, which will quickly pay for your new windows.

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.

If the glass in your double glazing has become cloudy, you must repair it as soon as you can as it's a safety concern. In addition, it may be costing you more money in energy bills than is necessary because of the loss of 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 argon, or krypton, helps in insulating. If the seal fails this gas leaks out and causes your window to fog.

Check your warranty to determine whether it covers seal failure. Certain manufacturers offer a prorated guarantee in accordance with the age of your window. This may be something to consider.

Other indications that your uPVC window should be replaced include: