Replacing Double Glazed Windows

No matter if you're looking for uPVC sash windows or aluminium casements, there's a wide selection of options to suit the aesthetic of your home and your energy efficiency requirements. Modern double glazing comes with a myriad of advantages, including noise reduction, UV protection and property security with multipoint locking mechanisms.

However, what can 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.

Condensation on the outside of your windows is a normal occurrence and indicates that the double glazing unit is performing as it is supposed to. Condensation on the outside of your windows in the morning occurs because of the glass's temperature dropping below the dew point of surrounding air, which causes water vapour to be drawn up from the air into the cold glass, where it cools. This can be made worse by plants that generate excess moisture in your house and by high levels of humidity.

If you notice condensation appearing within your double glazing, it is a far more serious issue and it is a sign that the seal between the two glass panes is broken, allowing warm air from your house to find its way in while insulating gas is evaporating. This could cause serious damage to the double glazing and if it is not addressed will greatly impact your energy bills.

Having replacement double glazing windows double glazing installed as soon as you notice this type of condensation will drastically reduce the chance that the issue will get worse, thereby saving you money in the long run. It is also a great opportunity to upgrade your double glazing to energy efficient A-rated windows. This will make your home more comfortable and will lower your utility bills.

2. Signs of wear and tear

Double glazing can provide many benefits that include the reduction of energy costs and noise. Like any product double glazed windows have a life span. It is crucial to be aware of the signs when they are nearing the end of their usefulness.

One of the most obvious indicators is visible condensation that is visible. This is because of the different temperature 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 is able to enter your home which does more than just waste energy but also can cause damp and mould and both cost a lot to repair. Both mould and damp can be dangerous to your health, as they can cause allergies and irritations that could impact the health of your family.

Draughts are a sign of sealants that are beginning to wear. This allows outside noise into your home, which can be a distraction. This could affect your ability to work from home, or how relaxing your home can feel.

If windows aren't opening and closing smoothly it's an indication that they require to be replaced. This can be a safety issue if windows aren't able to open in an emergency such as a fire and should not be ignored. A professional window installer will be able assess the condition of the windows you have and offer suggestions on the best course.

3. Draughts

If you see draughts emanating from your windows, it's likely that the seals on your double glazing have failed. Sealant is used to secure the glass panes together and provide insulation. However, it can be damaged by weather changes or simply aging. In the end, cold air comes into your home, while warm air is emitted creating draughts, which leads to reduced energy efficiency.

A window frame that is not properly shaped and not sealing properly can cause drafts. In the result, moisture could get trapped inside the frame, which will 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 you can to avoid any further issues.

A window that is misty is a clear indication that the sealed unit has developed an air leak or the gas between the panes is escaping. This is a serious issue and you will need to replace it immediately in order to prevent water from entering your home. It also prevents heat from escaping and decrease the efficiency of your insulation. If your windows are still under guarantee, check with the company, and they'll be able to repair them 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. They can also reduce the amount light that passes through, leading to drafts. In addition, if there are deep cracks or chips on your windows, it is unlikely that they will be able to support the weight of a replacement windows glass unit, which will require the creation of a new window frame.

4. More Utility Bills

It's important to keep energy costs as low as you can. High energy bills not only take a chunk out of your budget, but they also put unnecessary stress on the environment - something that we all want to reduce our impact of. One of the most significant causes of rising energy bills is leaking windows, which not only allow heat to escape your home, but can also create drafts that require you to use more energy to heat your home. Energy efficient windows can help you save money as well as reduce your energy costs.

If you notice condensation on the double-glazed panes, it's an indication that your windows must be replaced. It's a sign that the seal has failed which means that air is leaking in and out of your home, and that the insulation is not functioning as it should.

If your double glazing is misting it's time to replace the glass. This is a clear sign that the seal has failed and water is accumulating between the glass panes. A replacement glass in windows of your double-glazed windows will prevent moisture from getting into your home, prevent heat from escaping and help to keep your house warm.

You can cut down on energy consumption and enhance the appearance of your home and save heat by replacing your double-glazed windows by energy-efficient windows. It will also increase the value of your home which will make it more appealing to buyers in the event that you decide to sell. You are likely to save PS115 in heating expenses each year by using double glazing that is rated as category B. This will pay for your windows.

5. Faulty Windows

If you have a double glazed window replacement 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 repair it as soon as you can as it's an issue of safety. It could also cost you more in energy costs due to the loss of insulation.

Moisture in the air between your IGU's (insulated glass units) can cause windows to become misty. Gas inside the glass, mostly Krypton or argon helps with insulation. If the seal fails the gas leaks and causes your window 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 could be an option worth considering.

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