Replacing Double Glazed Windows

No matter if you're looking for uPVC Sash windows or aluminium casements, there's a vast selection of options to suit the aesthetic of your home as well as your energy efficiency requirements. Modern double glazing provides many benefits, like 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 event and indicates that the double glazing unit is functioning as it is supposed to. 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, which causes water vapour to be drawn up from the air and into the cold glass, which then condenses. This is aggravated by the presence of plants within your home that produce excessive moisture and by high humidity.

If you notice condensation appearing inside your double-glazed unit, this is a much more serious problem and it is a sign that the seal between the two glass panes has been broken, allowing warm air from your house to find its way in while the gas that is used to insulate it is lost. This can cause significant damage to the double glazing and, if left untreated it will have a significant impact on your energy bills.

Installing replacement double glazing when this kind of condensation is discovered will reduce the chance that it will get worse and cost you more in the end. The replacement of your double-glazed windows can also be a great opportunity to upgrade to A-rated energy-efficient windows, making your home more comfortable as well as reducing your energy bills further.

2. Signs of wear and tear

Double glazing offers a lot of benefits such as noise insulation and saving on energy costs. Like any product double glazed windows have a life span. It is essential to know the signs of when they are at the end of their usefulness.

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

If the window seal is damaged then cold air could enter your home. This is not only a waste of electricity but also leads to damp and mould. Both of these are costly to fix. Both mould and damp can be dangerous to your health, because they can trigger allergens and irritations that could impact 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 and be a major distracting factor, especially if you live close to an area with a lot of traffic or noisy neighbours. This can impact your ability to work from home, or how peaceful your home feels.

In the end, if windows do not open or Replacement Double glazing windows close easily, it's an indication that they need to be replaced. It could be a security issue if the windows aren't opening in a situation of emergency like the event of a house fire. This is a sign that you should not ignore. A qualified window replacement companies fitter can assess the condition of your existing windows and offer suggestions on the best method of action.

3. Draughts

If you've noticed draughts coming through your windows, it's usually a sign that the seals within your double glazing have blown. Sealant is used to encase the glass panes in place and provide insulation. However, this can be damaged by weather conditions or simply ageing. This causes cold air to enter your home, and warm air to escape, causing drafts and a decrease in energy efficiency.

Another reason why draughts could be causing the problem is that the window's frame has become misshapen and is not sealing correctly. Moisture can also get trapped inside the window frame, creating drafts as time passes. This is a serious issue and it is essential to have your double-glazing replaced as soon as you can to avoid any further issues.

A double-glazed window that is misty is an indication that the sealed unit has leaking or gas escapes between the panes. This is a serious issue and it will need replacing immediately to prevent water entering your property, stopping heat from escaping and decreasing the effectiveness of your insulation. If your windows are still covered by warranty, you can ask the company to replace them.

Double glazing cracks and chips aren't always a signal of needing replacement double glazing windows (my sources), but they may affect the overall performance. They can also reduce the amount of light that flows through, leading to draughts. If your windows have large cracks or chips, they might not be strong enough to support the weight of replacement units and would require new window frames.

4. More Utility Bills

Energy costs are a major expense for households and it is essential to keep them as low as is possible. Energy bills that are high are not just expensive but also put an unnecessary strain on the environment. We all want to reduce the impact of this. Windows that leak are a major cause of high energy bills. They not only let heat escape from your home and create drafts that require you to use more energy to heat your house. Replacing double glazing with energy efficient windows can aid in reducing energy costs and help you save money year after year.

If you notice condensation on the double-glazed panes, it is an indication that your windows need to be replaced. This is an indication of a damaged seal, which means air is leaking in and out of the house. The insulation is also not functioning properly.

Another sign that your double glazing requires replacement is if they are misting up. This is a clear sign that the seal has broken and water is getting trapped between the panes of glass. The replacement of your double glazing will stop water from entering your home, preventing heat from escaping and help to keep your home warm.

You can cut down on energy consumption and enhance the appearance of your home and save heat by replacing your double-glazed windows with energy-efficient windows. This can also increase the value of your property, making it more attractive to prospective buyers if you decide to sell it in the near future. With category B rated double glazing you can expect to save up to PS115 per year on 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 turned misty, it's important to get this repaired as soon as you can as it's an immediate safety risk. It could also result in more in energy costs due to the loss in insulation.

Misted windows are caused by moisture in the air between the two panes of your IGU (insulated glass unit). Gas inside the glass, mostly Krypton or argon aids in insulation. When the seal fails, this gas leaks and causes your window to become cloudy.

Examine your warranty to see whether it covers seal failure. Some manufacturers offer a prorated warranty that is based on the time of the window. This could be something to consider.

Other indications that your uPVC window should be replaced include: