Replacing Double Glazed Windows

If you're looking for uPVC sash window replacement windows or aluminium casements, there's a wide selection of options to fit the style of your home and your energy efficiency needs. Modern double glazing has many advantages that include noise reduction as well as UV protection. It also provides security 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.

In contrast, condensation on the outside of your windows is a normal phenomenon and indicates that your double glazing unit is performing 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 the surrounding air, causing water vapour to be drawn up from the air and into the cold glass, where it cools. This can be exacerbated by the presence of plants in your home that create excessive moisture, as well as by high humidity.

When condensation appears within your double glazing, it is a far more serious problem and a sign that the seal between the two glass panes has been broken which allows warm air from your house to get in while insulating gas is evaporating. This could cause serious damage to the double glazing and if it is not addressed, will significantly impact on your energy bills.

Installing replacement double glazing as soon as this type of condensation is spotted will reduce the chance that it will get worse, saving you money in the end. It's also an excellent 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. Signs of wear and tear

Double glazing can provide many benefits that include cutting down on energy bills and also reducing noise. However, just like any other item, fitter double glazed windows are not a lifetime product and it's crucial to be aware of signs that they are reaching the end of their usefulness.

One of the most obvious signs is visible condensation. This is caused by the difference in temperature between the two panes of glass and if you notice this, it's an indication that the seal on the window has failed and it's time to get the windows replaced.

If the window seal fails then cold air can be allowed to enter your home which does more than just waste energy but also can cause damp and mould and both are costly to fix. Additionally, both damp and fitter mould are detrimental to health since they can cause allergens and irritants that could affect your family's health.

Draughts are another indication of sealants beginning to wear. This allows outside noise into your home, which can be distracting. This can affect your ability to work from home, or how relaxing your home is.

Finally, if the windows no longer open and close easily, it's a sign that they need to be replaced. This can be a safety issue if windows fail to open when required in an emergency such as a fire and should not be ignored. A professional window fitter will be able assess the condition of your current windows and provide recommendations on the best course of action.

3. Draughts

If you notice draughts coming from your windows, it is likely that the seals on your double glazing have blown. Sealant is used to hold the glass panes together and provide insulation. However, this can be damaged by weather conditions or simply aging. In the result, cold air comes into your home and warm air is emitted creating draughts, which leads to lower energy efficiency.

Another reason why draughts may be happening is because the window's frame has become misshapen and is not sealing properly. In the result, moisture can get trapped in the frame, which could also result in rotting and draughts over time. This is a serious issue and it is important to get your double glazing replaced as soon as is possible to avoid any further issues.

A misted double glazed window is a clear sign that your sealed unit has sprung a leak or the gas between the panes is escaping. This is a serious problem and it will need replacing immediately to stop water from entering your property, stopping heat from escaping and reducing the effectiveness of your insulation. If your windows are still under warranty, contact the company and they will be able to repair them for you.

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

4. More Utility Bills

It is important to keep energy costs as low as you can. The high cost of energy doesn't just take a chunk out of your budget, but they also put unnecessary strain on the environment - something we all wish to try and do less of. One of the biggest causes of skyrocketing energy bills is the leaky windows that let heat escape your home but also create drafts that require you to use 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 double-glazed panes, it is an indication that your windows need to be replaced. This is an indication of a faulty seal, which indicates that air is leaking in and out of the home. Insulation is also not working properly.

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

You can cut down on energy consumption, improve the look of your home and save heat by replacing your double-glazed windows with energy efficient windows. This will also increase the value of your home and make it more attractive to potential buyers should you decide to sell. You will save PS115 in heating bills per year with double glazing that is classified as B. This will pay for the cost of your 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.

It is essential to get your double glazing fixed immediately in the event that the glass has turned blurred. This could be a safety concern. It may also cost you more in energy bills because of the loss of insulation.

Moisture in the air between your IGU's (insulated glass units) can cause misty windows. Gas within the glass, typically Krypton or argon helps with insulation. When the seal fails the gas leaks and causes your window to become cloudy.

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 could be an option worth considering.

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