Replacing Double Glazed Windows

If you're looking for uPVC Sash windows or aluminium casements, there's an extensive range of options available to suit the aesthetic of your property and your energy efficiency requirements. Modern double glazing comes with a myriad of benefits that include noise reduction and UV protection, as well as property security with multipoint locking mechanisms.

However, what can you do if 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.

In contrast, condensation on the outside of your windows is a common phenomenon and indicates that your double glazing unit is performing as it should. Condensation on the outside of your windows in the morning occurs because of the cold glass temperature dropping below the dew point of air surrounding it, causing water vapour to be drawn up from the air and into the cold glass, where it condenses. This is made worse by the presence of plants within your home that produce excessive moisture as well as high humidity.

If you notice condensation appearing in your double glazing, it could be an even more serious issue. It is a sign that your seal between the glass panes has broken. This allows warm air from your home to pass through while the gas that insulates it escapes. This could cause serious damage to the double glazing and should it not be addressed, will significantly impact on your energy bills.

Installing replacement double glazing as soon as this type of condensation is noticed will reduce the chance that it will get worse, saving you money in the end. The replacement of your double-glazed windows can also be an excellent opportunity to upgrade to energy-efficient A-rated windows which will make your home more comfortable as well as reducing your energy bills further.

2. Signs of Wear and Tear

Double glazing provides a number of advantages, replacement double Glazing windows including noise insulation and saving on energy bills. But, like every other product double glazed windows have a life span and it's crucial to be aware of signs that they are reaching the end of their usefulness.

One of the most obvious indicators is the visible condensation that is visible. This is due to the temperature difference between the two glass panes and if you see this, it's an indication that the window seal has failed, and it's time for 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 and both are costly to fix. Both mould and damp can be harmful to your health, because they can trigger allergens and irritations that can affect the health of your family.

Draughts around windows are another indication that the sealants are beginning to wear. This allows outside noise to enter your home, which could be distracting. This can impact your ability to work from home or how peaceful your home feels.

If the windows are not opening and closing smoothly, it's also an indication that they require to be replaced. This could be a safety issue if the windows do not open in an emergency such as a fire and should not be overlooked. A qualified window fitter will be able to evaluate the condition of your existing windows and offer suggestions on the best way to proceed.

3. Draughts

If you have noticed draughts passing through your windows, it's typically a sign that the seals inside your double glazing have blown. Sealants are used to hold the panes of glass together and assist in insulating, however this is often damaged by changes in weather or by simply aging. In the result cold air is able to enter your home, and warm air escapes creating draughts, which leads to decreased energy efficiency.

A window frame that is misshaped and not sealing properly can cause draughts. Moisture may also get trapped in the window frame, creating the draughts to increase as time passes. 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 window that is misty is a clear indication that your sealed unit has sprung an open leak or that the gas between the panes has escaped. This is a serious issue and needs to be repaired immediately to prevent water getting into your home, preventing heat from leaving and reducing the efficiency of your insulation. If your windows are covered by warranty, you can request the company to replace upvc window handle them.

Cracks and chips in double glazing are not always a sign of needing to be replaced however, they could affect the overall performance. They may also limit the amount light that passes through, which can cause drafts. Additionally when there are large cracks or chips on your windows, it is likely that they won't be able to support the weight of a replacement Double glazing windows unit, which will require the creation of a new window frame.

4. Higher Utility Bills

Energy costs are a significant household expense and it's crucial to keep them as low as is possible. The high cost of energy doesn't just consume a significant portion of your budget, but they also put unnecessary strain on the environment, something we all want to try and do less of. Leaky windows are a major reason for high energy costs. They not only let heat escape from your home, but they also create drafts that require you to use more energy to heat your home. Energy efficient windows can help you save money and reduce your energy costs.

If you notice condensation on the double-glazed panes, it's an indication that your windows need to be replaced. It's a sign the seal has failed and air is entering and out of your home, and that the insulation is not working as it should.

If your double glazing is misting, it's time to replace the glass. This indicates that the seal is broken and water is trapped between the glass panes. The replacement of your double glazing will prevent moisture from getting into your home, preventing heat from escaping and help to keep your home warm.

You can save energy, 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 which will make it more appealing to buyers should you decide to sell. You can expect to save PS115 in heating bills per year with double glazing that is rated as category B. This will quickly pay for 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.

If the glass in your double glazing is becoming cloudy, you must repair it as soon as possible as it is a safety concern. In addition, it may be costing you more in energy bills than you need to because of the loss of insulation.

Misted windows are caused by moisture in the air between the two panes of your IGU (insulated glass unit). The gas in the glass - usually argon or krypton - assists in insulating the glass, and if the seal fails this gas escapes, causing the window to fog up.

Examine your warranty to see whether it covers seal failure. In some instances manufacturers offer a prorated warranty, scaled according to the age of your windows, so this may be an option to consider.

Other signs that you need to replace your uPVC windows include: