Replacing Double Glazed Windows

No matter if you're looking for uPVC Sash windows or aluminium casements, there's a wide range of options available to match the style of your property and your energy efficiency requirements. Modern double glazing provides a host of benefits including noise reduction, UV-ray protection and security for your home with multipoint locking mechanisms.

What should 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.

However, condensation on the outside of your windows is a common occurrence and indicates that the double glazing unit is operating just as it is supposed to. The condensation outside your windows during the morning is caused by the temperature of the cold glass dropping 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 in your home that produce excessive moisture and by high humidity.

If condensation appears in your double glazing, this is a more serious problem. It is an indication that the seal between the glass panes has broken. This allows warm air from inside your home to pass through while the gas that insulates it escapes. This could cause serious damage to the double glazing and if it is not addressed will greatly impact your energy bills.

Having replacement window panes double glazing installed when you first notice this type of condensation will drastically reduce the possibility that the issue gets worse, saving your money in the end. 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 reduce your utility costs.

2. Wear and tear

Double glazing provides a number of advantages, including noise insulation and savings on energy bills. However, just like any other type of window, double-glazed windows are not a lifetime product and it's crucial to be aware of the signs that they are reaching the point of no return.

One of the most obvious signs is visible condensation. This is because of the different temperature between the two panes. If you notice it, it could be an indication that the window seals have failed.

If the window seal fails then cold air can be allowed to enter your home. This is not just a waste of energy, but can also cause damp and mould, both of which are expensive to fix. Additionally, both damp and mould can be harmful to health since they can cause allergens and irritants which can affect your family's health.

Draughts are another sign of sealants that have begun to wear. This can allow outside noise to enter your home and be a big distracting factor, especially in the case of an area with a lot of traffic or noisy neighbors. This can also affect any work you might try to do from home or just how relaxing your home can be.

If windows do not open or close easily, it's an indication that they need to be replaced. It could be a security concern if your windows aren't opening in an emergency situation like an incident involving fire in your home. This is a problem you shouldn't ignore. A professional window fitter can examine 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 burst. A sealant is used to secure the glass panes together and aid with insulation, but this can often be damaged by changes in weather conditions or simply ageing. In the end cold air is able to enter your home, and warm air escapes, leading to draughts and reduced energy efficiency.

A window frame that is misshaped and not sealing properly can also lead to draughts. As a result, moisture may get trapped within the frame, which can also result in rotting and draughts over time. This is a serious problem and you must replace your double-glazed windows as soon as you can.

A double-glazed window that has a misty appearance is a sign that the sealed unit has let out or the gas escapes between the panes. This is a serious problem and should be addressed immediately to prevent water getting into your home, preventing heat from leaving and reducing the efficiency of your insulation. If your windows are covered by warranty, you can ask the company to replace them.

Cracks and chips in your double-glazed windows aren't necessarily a sign that they require replacement windows however they can have a negative effect on the overall performance. As well as allowing cold air to get in it, they could decrease the amount of light let in and cause draughts. Additionally when there are large cracks or chips on your windows, it is likely that they won't be able to support the weight of a replacement glass windows double glazing window (like it) unit, which will require the creation of a new window frame.

4. More Utility Bills

It's important to keep the cost of energy as low as you can. Energy bills that are high are not only expensive but also put an unnecessary stress on the environment. We all want to reduce the impact of this. One of the main reasons for rising energy costs is leaky windows, which let heat escape your home, but can also create drafts that require you to utilize more energy to heat your property. Energy efficient windows can help you save money as well as reduce your energy costs.

If you notice condensation forming between the panes of your double-glazing, it is a clear indication that they need replacing. It is a sign that the seal has failed which means that air is leaking in and out of your home, and that the insulation isn't working as it should.

If your double glazing is getting misty it's time to replace them. This is a sign the seal is damaged and water is leaking between the glass panes. Having your double glazing replaced will prevent moisture from getting into your home, stop heat escaping and help to keep your home warm.

By having your double-glazed windows replaced with a new energy efficient window, you will be able to conserve heat, reduce your energy use and enhance the appearance of your home. This will also increase 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 up to PS115 per year in heating costs, which can quickly cover the cost of 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 get this repaired as soon as possible as it is an issue of safety. In addition, it may be costing you more money in energy bills than you need to because of the loss of insulation.

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

Premature seal failure is a clear indication of a defective product, therefore, make sure you check your warranty for coverage. Some 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 needs to be replaced include: