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Replacing Double Glazed Windows

There are many options to choose from, whether you prefer uPVC cases or sash made of aluminium. They can be adapted to your aesthetic needs and energy efficiency requirements. Modern double glazing offers numerous benefits like noise reduction, UV-ray protection and security of your property with multipoint locking mechanisms.

But, what do you do if your double-glazed windows show signs of wear and tear?

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.

However, condensation on the outside of your windows is a normal phenomenon and indicates that your double glazing unit is functioning just as it should. The condensation that forms outside your windows in the morning is caused by the temperature of the glass that is cold falling below the dewpoint of the air surrounding it. This causes water vapour from the air to be drawn into the cold window where it condenses. This can be exacerbated by the presence of plants in your home that create excessive moisture, as well as by high humidity.

When condensation appears within your double glazing, it is a far more serious issue and an indication that the seal between the two glass panes has been broken and allows warm air from your home to get in while insulating gas is lost. This can cause serious damage to your double-glazed windows, and if left untreated will cause a significant impact on the cost of energy.

Having replacement double glazing installed when you first detect this kind of condensation will drastically reduce the possibility that the issue gets worse, saving your money in the end. The replacement double glazing windows of your double-glazed windows can also be an excellent opportunity to upgrade to A-rated energy-efficient windows, making your home more comfortable and reducing energy bills further.

2. Wear and tear signs

Double glazing can provide many benefits including the reduction of energy costs and noise. But, like every other item, double glazed windows are not a lifetime product and it is important to be aware of signs that they are reaching the limit of their utility.

Visible condensation is one of the most evident indicators. This is because of the different temperatures between the two panes. If you notice it then it could be a sign the window seals have failed.

If the window seal is not working, then cold air can be allowed to enter your home which is not just a waste of energy, but can also cause damp and mould both of which are costly to fix. Both damp and mould can be detrimental to your health as they can cause allergens and irritations that could affect the wellbeing of your family.

Draughts in your windows are another indication that sealants have begun to wear. This allows outside noise to enter your home, which can be a distraction. This can affect any work you might try to do from home or simply how relaxing your home can be.

If the windows are not opening and closing with ease, it's also an indication that they should be changed. It can be a safety issue if your windows don't open in an emergency situation, such as a house fire. This is something you should not ignore. A qualified window replacement cost fitter will be able to evaluate the condition of your existing windows and give suggestions on the best course of action.

3. Draughts

If you notice draughts coming out of your windows, it's likely that the seals on your double glazing have failed. Sealant is used to hold the glass panes and provide insulation. However, it could be damaged by weather changes or simply aging. In the result cold air enters your home, and warm air is emitted, leading to draughts and lower energy efficiency.

A window frame that is shaped incorrectly and is not sealed properly could also cause draughts. As a result, moisture could get trapped inside the frame, which could also cause draughts and rotting as time passes. This is a serious issue and it is important to have your double-glazing replaced as soon as possible to avoid further problems.

A misted double glazed window is a clear sign your sealed unit has sprung an air leak or the gas between the panes is escaping. This is a serious problem and it will need replacing immediately to prevent water entering your home, preventing heat from leaving and reducing the efficiency of your insulation. If your windows are covered by warranty, you can request the company to replace them.

Cracks and chips in double glazing aren't always a sign of needing to be replaced however they can have an impact on the overall performance. In addition to allowing cold air to enter it, they could reduce the amount of light allowed through and lead to draughts. Additionally, if there are deep cracks or chips on your windows, it's likely that they won't be able to withstand the weight of a replacement upvc window handles unit which would require an entirely new window cost replacement frame.

4. Higher Utility Bills

Energy costs are a significant expense for households and it is essential to keep them as low as you can. Energy bills that are high not only consume a significant portion of your budget, they also put unnecessary stress on the environment - something we all wish to be able to less of. Leaky windows are a major reason for high energy costs. They don't just let heat escape from your home and create draughts which require you to use more energy to heat your house. The replacement of double glazing with windows that are energy efficient will help to reduce energy costs and save you money year after year.

If you notice condensation appearing between the panes of your double-glazing, it is a clear sign that they need replacing. It is a sign that the seal has failed and air is entering and out of your home and that the insulation is not functioning as it should.

If your double glazing is leaking then it's time to replace the glass. This is a clear sign that the seal has failed and water is accumulating between the panes of glass. Double glazing will prevent water from entering your home and will stop heat from escape and keep your home warm.

By having your double-glazed windows replaced with a new energy efficient window you will be able to preserve heat, reduce your energy use and enhance the appearance of your home. This will also add value to your home and make it more appealing for potential buyers if you decide to sell in the near future. You are likely to save PS115 in heating expenses per year with double glazing that is rated as category B. This will quickly pay for the cost of your 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 turned cloudy, you must get this repaired as soon as possible as it is a safety concern. Additionally, it could be costing you more in energy bills than you need to due to the loss of insulation.

The air humidity between your IGU's (insulated glass units) can cause windows to become misty. Gas within the glass, typically argon, or krypton, helps in insulating. When the seal fails this gas leaks out and causes your window glass replacement to fog.

Examine your warranty to see whether it covers seal failure. In some instances manufacturers offer a prorated warranty, which is based on the age of your windows, so this may be a viable option.

Other signs that your uPVC window requires to be replaced include: