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Replacing Double Glazed Windows

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 needs. Modern double glazing offers 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.

Condensation on the outside of your windows is normal and is a sign that your double glazing unit is operating exactly as it is supposed to. Condensation on the outside of your windows in the morning occurs due to the cold glass temperature dropping below the dew point of surrounding air, which causes water vapour to rise from the air into the cold glass, where it condenses. This is aggravated by the presence of plants in your home that produce excessive moisture as well as high humidity.

When condensation appears inside your double glazing it is a far more serious issue. It is an indication that the seal between the two glass panes has broken, allowing warm air from your house to enter while the gas that is used to insulate it is lost. This can cause serious damage to your double glazing and if not addressed, could have a significant impact on your energy bill.

Installing replacement double-glazed windows as soon as you notice this type of condensation will drastically reduce the possibility that the issue gets worse, saving your money in the long run. 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 lower your energy bills.

2. Signs of wear and tear

Double glazing provides a number of advantages, including noise insulation and saving on energy costs. However, just like any other product double glazed windows have a life span and it's important to be aware of indications that they are nearing the limit of their utility.

Visible condensation is one of the most evident indicators. This is due to the differing temperatures between the two panes. If you notice it, it could be a sign that the window seals have failed.

If the window seal is damaged, cold air can enter your home. This is not just a waste of electricity but also leads to damp and mold. Both of them are expensive to repair. Additionally, both damp as well as mould can be harmful to your health because they can produce allergens and irritants that could impact on your family's wellbeing.

Draughts around your windows are another indication that sealants have begun to wear. This can allow outside noise to enter your home and be a major distraction, particularly if you live close to a busy road or noisy neighbors. This can impact your ability to work from home, or how peaceful your home can feel.

If the windows are not opening and closing with ease, it's also a sign they need to be replaced. This could be a safety issue if the windows fail to open when required in the event of a fire and should not be ignored. A professional window installer can evaluate the condition of the windows you have and make recommendations regarding the best option.

3. Draughts

If you are experiencing draughts from your windows, it is likely that the seals on your double glazing have blown. Sealant is used to encase the glass panes in place and provide insulation. However, it could be damaged by weather conditions or simply ageing. This can cause cold air to enter your home and warm air to escape, causing draughts and a reduction in energy efficiency.

A window frame that is shaped incorrectly and not sealing properly could cause drafts. As a result, moisture can get trapped in the frame, which could also cause draughts and rotting as time passes. This is a serious issue and you must replace your double glazing as soon as you can.

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 needs to be repaired immediately to prevent water getting into your home, preventing heat from escaping and decreasing the efficiency of your insulation. If your windows are covered by warranty, you can request the company to replace them.

Cracks and chips in double glazing aren't always a sign of needing replacement double glazing windows however they can have an impact on the overall performance. While they allow cold air to get in, they can decrease the amount of light that is let in and cause draughts. Additionally If there are significant cracks or chips in your windows, it is likely that they won't be able to support the weight of a replacement windows unit which will require a new window frame.

4. Increased Utility Bills

Energy costs are a significant cost for a household and that's why it's important to keep them as low as is possible. The high cost of a window replacement of energy doesn't just cost a lot of your budget, but they also put unnecessary stress on the environment, something we all want to be able to less of. Windows that leak are a major reason for high energy costs. They not only let heat escape from your home and into the outside, but they also cause drafts that require the use of additional energy to heat your house. Replacing double glazing with energy efficient windows will reduce your energy bills and will save you money year after year.

If you notice condensation appearing between the panes of your double glazing, it is a clear indication that they need to be replaced. This is a sign of a broken seal, which indicates that air is leaking in and out of the home. Insulation is also not functioning properly.

Another sign that your double glazing needs replacing is if they are misting up. This indicates that the seal is damaged and that water is trapped between the glass panes. Double glazing will stop water from entering your home and will stop heat from escape and keep your home warm.

By having your double-glazed windows replaced with a new energy efficient window you can conserve heat, reduce your energy usage and improve the appearance of your home. This will also add value to your home and make it more appealing to prospective buyers if you decide to sell in the future. With category B rated double glazing, you can expect to save as much as PS115 per year in heating costs, which will quickly pay for the cost of your new windows.

5. Faulty Windows

If you have a double glazed window replacements 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 repair it as soon as you can as it's a safety concern. Additionally, it could be costing you more money 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). Gas inside the glass, usually argon, or krypton, helps with insulation. If the seal fails, this gas leaks and causes your window to become cloudy.

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

Other indicators that you should to replace your uPVC windows are: