Replacing Double Glazed Windows

Whether you want uPVC sash windows or aluminium casements, there's a vast range of options available to suit the aesthetic of your home as well as your energy efficiency needs. Modern double glazing has many advantages such as noise reduction and UV protection, as well as property security through multipoint locking mechanisms.

What can you do if your double glazing shows 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 normal and is a sign that the double glazing unit is working as it should. Condensation on the outside of your windows in the morning is because of the cold glass temperature dropping below the dew point of surrounding air, causing water vapour to be drawn up from the air into the cold glass, where it cools. This can be exacerbated by the presence of plants in your home that create excessive moisture and by high humidity.

If you notice condensation appearing inside your double glazing this is a more serious issue and an indication that the seal between the two glass panes has broken, allowing warm air from your home to get in while insulating gas is lost. This could cause serious damage to the double glazing and should it not be addressed it will have a significant impact on your energy bills.

Having replacement double glazing installed immediately you detect this kind of condensation will drastically reduce the chance that the issue becomes worse, and save you money in the long term. It's also a great opportunity to upgrade your double glazing to energy efficient A-rated windows. This will make your home more comfortable and lower your energy costs.

2. Wear and tear signs

Double glazing has many benefits, such as the reduction of energy costs and noise. However, just like any other product double glazed windows are not a lifetime product and it's important to be aware of the signs that they are reaching the limit of their utility.

Condensation visible is one of the most evident indicators. This is caused by the difference in temperature between the two glass panes and if you see this it's a good indicator that the window seal has failed and it's time to get the windows replaced.

If the window seal fails, then cold air will be able to enter your home, which is not just a waste of energy, but also can cause damp and mould, both of which cost a lot to repair. Both mould and damp can be detrimental to your health because they can trigger allergens and irritations that can affect the wellbeing of your family.

Draughts in your windows are another sign that the sealants are beginning to wear. This can allow outside noise to enter your home which can be a big distraction, especially in the case of an area with a lot of traffic or noisy neighbors. This can impact your ability to work from home, or how relaxing your home can feel.

If windows aren't opening and misty closing in a smooth manner, it's also an indication that they require to be replaced. This could be a security issue if windows do not open when required in the event of an emergency fire, and should not be overlooked. A professional window fitter can examine the condition of your existing windows and give suggestions on the best way to proceed.

3. Draughts

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

Another reason why draughts may be happening is because the frame of your window is distorted and not sealing properly. This means that moisture could get trapped inside the frame, which will also cause rotting and draughts as time passes. This is a serious problem and you must replace your double glazing as quickly as possible.

A double-glazed window that has a misty appearance indicates that the sealed unit has let out or the gas has escaped between the panes. This is a serious problem and you must replace it as soon as possible to stop water from entering your home. It will also stop heat from escaping, and decrease the efficiency of your insulation. If your windows are under warranty, consult the company and they should be able to replace windows for you.

Cracks and chips in double glazing are not always a sign of needing to be replaced however, they could have an impact on the overall performance. As well as allowing cold air to get in and out, they can also decrease the amount of light that is let in and cause draughts. 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

It is essential to keep your energy costs as low as you can. High energy bills not only cost a lot of your budget, they also put unnecessary strain on the environment, something we all want to reduce our impact of. One of the main causes of rising energy bills is leaky windows, which allow heat to escape your home, but can also create drafts that force you to make use of more energy to heat your home. Installing double glazing using energy efficient windows will reduce your energy bills and will save you money year after year.

If you notice condensation between the double-glazed panes, it is a sign that your windows need to be replaced. It's a sign that the seal has broken which means that air is leaking in and out of your home, and that the insulation is not working as it should be.

Another sign that your double glazing needs replacing is if they are misting up. This is a sign the seal has been damaged and water is leaking between the glass panes. Double glazing will stop water from entering your home, stop heat from escaping and keep your home warm.

If you have your double-glazed windows replaced with a brand new energy-efficient window, you can conserve heat, reduce your energy use and enhance the appearance of your home. This can also add value to your home, making it more attractive for potential buyers if you decide to sell in the near future. With Category B rated double glazing you can expect to save up to PS115 per year on heating costs, which will quickly 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 turned blurred, it is important to get this repaired as soon as possible as it is an immediate safety risk. It could also cost you more in energy costs due to the loss in insulation.

The misty windows are caused by moisture in the air between the two panes of your IGU (insulated glass unit). Gas inside the glass, mostly argon or krypton helps in insulating. When the seal fails the gas leaks, causing your window to become foggy.

Check your warranty to determine whether it covers premature seal failure. In some cases manufacturers offer a prorated warranty scaled according to the age of your windows, so this may be a viable option.

Other indications that your upvc window handle replacement window requires to be replaced include: