What Can Go Wrong With Double Glazed Windows
- Posted by:
- Admin
- Tags:
- double glazed windows problems, common issues with double glazing, double glazing maintenance tips, double glazed window repair, double glazing troubleshooting
- Posted date:
- 02-01-2024

Learn about issues like condensation, seal failure, and drafts. Get expert tips on maintenance and repairs to keep your double glazing in top condition. Find solutions to prevent and address double glazing problems effectively.
The benefits of double glazing
Double-glazed windows offer a range of benefits to homeowners. They are most known to significantly improve insulation and energy efficiency. They work by trapping air between two panes of glass.
Doing this provides a layer of insulation to keep the heat in during winter and out during summer. It can lead to decreased energy bills as less heat is lost through the windows. That way, your home becomes more environmentally friendly and your energy bills may gradually decrease.
Double glazing also protects your property from external noise. This makes your home a peaceful sanctuary from the outside world. Double glazing can also enhance your home's security. The two panes of glass are far harder to break than single-glazed windows, offering an increased level of safety.
Another advantage is the reduction of interior condensation they offer. Double glazing prevents dampness and mould, which maintains the quality of air inside your home.
The Most Common Double Glazing Problems
Even though double glazing offers significant benefits, like everything else, it is not free from problems. One common issue is condensation forming between the panes, often a sign of failed seals.
This can lead to fogging and frosting of the windows, blocking your view and reducing the clarity of the glass.
Drafts and air leaks are also common, often due to broken seals, creating gaps for cold air to enter. While double-glazed windows provide an excellent barrier, they might not entirely ward off noise.

This is especially the case if the seals have deteriorated over time. This deterioration can make your home less energy-efficient. It may reduce the insulation properties of the windows.
Another problem that can arise is difficulty in opening or closing the windows. This could be due to warped frames or hinges that have become worn out. These issues can compromise the security of your home and may need professional attention to fix. Maintaining the cleanliness of double-glazed windows can be a bit more challenging. This is because the inner surfaces are not easily accessible once installed.
Proper maintenance and regular inspections are crucial. They will ensure the longevity and effectiveness of your double-glazed windows. By being aware of these potential problems, you can take steps to address them promptly. That way, you can maintain the benefits of your double glazing for years to come.
Despite the issues, these are not major problems. They can be identified early on, and professionals can prevent further damage or costly replacements. Regular maintenance checks are essential to catch any emerging problems before they escalate.
By staying aware and addressing concerns as they arise, you can ensure the longevity of your equipment. It will allow you to avoid unexpected breakdowns that could disrupt your operations.

How to Fix Problems With Double Glazed and UPVC Windows
UPVC windows are popular due to their durability, weather resistance, and energy efficiency. However, issues like stiff locks, problems with the window seals, and a need for gasket replacement do arise. Stiff locks can be attended to by lubricating them regularly.
To do this, use a lubricant that is suitable for UPVC windows. Apply it sparingly to the lock mechanism and move the handle to ensure even distribution.
Regular lubrication can prevent the locks from becoming stiff and difficult to operate. If issues with window seals cause condensation on the inside of the window, it might be time to get them replaced.
Condensation is a sign that the seals are no longer adequate. They aren't providing an effective barrier against moisture. Replacing the seals will improve visibility through the window and also enhance its energy efficiency.
Finally, if the window leaks even when closed, it is often down to a worn-out gasket. Gaskets can deteriorate over time due to exposure to the elements, creating gaps that allow water to seep in.
Regular checks and maintenance can prevent these issues from becoming larger problems. By addressing these common issues promptly, you can enjoy the benefits of UPVC windows for many years to come.
Keeping up with maintenance ensures they continue to offer excellent performance. It will provide durability, weather resistance, and energy efficiency.
When to Repair vs Replace Double Glazing Windows
When faced with issues in your double-glazed windows, it's important to weigh up the pros and cons of repairing over replacing. Smaller problems like misting or minor drafts can often be fixed by replacing the sealed glass unit.
If there is significant damage to the frame or the window has lost its energy efficiency, it might be more cost-effective to replace the entire window.
For example, misting usually occurs due to a failure in the sealing of the glass unit. This allows moisture to enter between the panes. It can normally be resolved without needing to replace the entire window.

Similarly, minor drafts can often be fixed by resealing or replacing the affected parts. Yet, if your window frames are rotting, warped, or otherwise damaged, it might be a sign that it's time for a complete replacement.
Older windows that no longer provide good insulation can increase your energy bills. Replacing them can be a wise investment. In doing so, you can experience improved energy savings, security, and property value.
High-quality double-glazed windows are more energy-efficient. They reduce your heating and cooling costs over time. Quality glazing offers better security features, giving you peace of mind. In conclusion, repairing your windows is a suitable option for minor issues. Replacing them can offer long-term benefits and savings, making it a worthwhile consideration.
What is the lifespan of double-glazed windows?
The lifespan of double-glazed windows can greatly depend on many factors. These include the quality of installation, weather conditions, and how well they’re maintained. Generally, they are reported to last between 15 to 20 years. Yet, factors like faulty installation, extreme weather conditions, or neglect decrease their lifespan.
Poor ventilation, water pooling in the frames, and damaged seals can all lead to problems that need early replacement. Regular check-ups to ensure there is no condensation or leaks. With prompt repairs, you can help extend the life of your double-glazed windows considerably. Additionally, using high-quality materials during installation can make a significant difference.
Investing in good quality frames and glass can help to resist wear and tear over time. Professional installation ensures that the windows are correctly fitted. This helps to prevent common issues such as drafts and leaks.
Taking measures like ensuring proper drainage can expand the lifespan of your glazing. We also encourage the use of appropriate cleaning agents and timely maintenance. This not only enhances their lifespan but also maintains their efficiency. That way, you can increase energy conservation and save on utility bills over time.
Are you looking for double glazing window repair in Kent and the surrounding areas? At Window Fix Direct Kent, we offer a range of double glazing services - all provided by our team of professional specialists.