Replacing Double Glazed Windows

If you're looking for uPVC sash windows or aluminium casements, there's a vast variety of options to suit the aesthetic of your home and your energy efficiency needs. Modern double glazing has many benefits that include noise reduction as well as UV protection. It also provides security with multipoint locking mechanisms.

But, what do you do when your double glazing is showing 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.

Condensation on the outside of your windows is a normal event and indicates that the double glazing unit is performing as it is supposed to. The condensation that forms outside your windows during the morning is due to the temperature of the cold glass dropping below the dewpoint of the surrounding air. This causes water vapour from the air to be drawn into the window where it condenses. This can be exacerbated by plants that create excess moisture in your house as well as by high levels humidity.

If you notice condensation appearing within your double glazing, this is a much more serious issue. It is a sign that the seal between the two glass panes is broken, allowing warm air from your house to get in while the gas that is used to insulate it is lost. This can cause serious damage to your double glazing, and if not addressed, could have a significant impact on your energy bill.

Installing replacement double glazing as soon as this type of condensation is spotted can reduce the likelihood that it will worsen, saving you money in the end. The replacement window seals of your double-glazed windows can also be a great way to upgrade to A-rated energy efficient windows, making your home more comfortable and reducing costs for energy.

2. Signs of Wear and Tear

Double glazing offers many advantages, such as reducing energy bills and reducing noise. Like all products double-glazed windows have a lifespan. It is crucial to be aware of the signs when they are reaching the end of their lifespan.

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

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

Draughts are another sign of sealants that are beginning to wear. This allows outside noise into your home, which can be a distraction. This can affect the work you want to do from home or how peaceful your home is.

If the windows aren't opening and closing with ease it's an indication that they should be replaced. This could be a security issue if the windows do not open when required in an emergency such as a fire, and should not be overlooked. A professional window fitter will be able to evaluate the condition of your current windows and provide recommendations on the best method of action.

3. Draughts

If you've noticed draughts passing through your windows, it's typically a sign that the seals within your double glazing have failed. A sealant is used to secure the glass panes together and help with insulation, but this can be damaged due to weather changes or simply ageing. This allows cold air to enter your home, and warm air to escape, which can cause draughts and a reduction in energy efficiency.

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

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

Chips and cracks in your double glazing aren't necessarily a sign that they need replacing however, they could have a negative impact on the overall performance. As well as allowing cold air to enter, they can reduce the amount of light that is let in and cause draughts. If your windows have deep cracks or chips, they might not be able to support the weight of replacement units, which will require new window frames.

4. Increased Utility Bills

It is essential to keep your the cost of energy as low as you can. The high cost of energy is not just expensive however they also place unnecessary strain on the environment. We all want to reduce this. One of the biggest reasons for rising energy costs is leaking windows, which allow heat to escape your home but also create drafts that require you to make use of 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's 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 home. The insulation is also not working properly.

Another indication that your double glazing needs replacement glass windows is if they are misting up. This is a sign that the seal has been damaged and water is leaking between the glass panes. Having your double glazing replaced will stop water from getting into your home, stop heat escape and help keep your house warm.

If you have your double-glazed windows replaced with a brand new energy efficient window, you can conserve heat, reduce your energy consumption and enhance the appearance of your home. This will also increase the value of your property, making it more attractive for potential buyers if you decide to sell in the near future. With Category B rated double glazing you can anticipate saving up to PS115 per year in heating costs, which will swiftly pay for 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. Additionally, it could be costing you more money in energy bills than necessary because of the loss of insulation.

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

Examine your warranty to see whether it covers premature seal failure. Certain manufacturers offer a prorated guarantee, based on the age of the window. This may be something to consider.

Other indications that you may need to replace your uPVC windows include: