If the seals on double-glazed windows are damaged they could cause damp and mould. This could cause damage to the frame and wall surrounding it and impact your health.
It is a more cost-effective way to fix most uPVC window frames than to replace them. A glazier will clean the frame and the glass of the window. They will apply a new bead and smooth it.
Water Leaks
Window seals are made to keep water from your home. When they start to wear down, water could get into your windows. Not only is a leaky window annoying, but it can cause expensive damage to the structure of your home. It is crucial to spot the issue early and have it fixed by an expert before it gets worse.
The most common cause of your leaking windows isn't in the glass itself, but on the frame and sill. This is the most common sign of a damaged seal. It could be caused by damage to the seal caused by weather or age wear-out caulking, or even a blocked drain which can lead to the accumulation of water or ice.
Water appearing between the double-glazed panes is a common indication that the window seal has failed. However, this isn't as hazardous as a leak, since the water doesn't travel enough to reach your home. However, it does indicate that the inert gas sandwiched between the panes of glass has leaked out which will reduce the insulating value of your windows.
Condensation between the panes of glass is another typical sign of a leaky seal. This may be caused by a failed window seal, or it could be due to an unforgiving climate in your home or an issue with the glass. It's not just a nuisance but it can also cause mold and mildew growth in your home. It can be very difficult and expensive.

If you are seeing these indications, it's time to conduct an examination of your double-glazed windows. Repairs or replacements will ensure your home is protected from water leaks, cut down on the cost of energy, and also prevent draughts. It's a minimal cost to pay for your family's security and comfort. Contact Thompson Creek Window to discuss your options regarding window seal repair or replacement. Our professionals are always happy to help! We serve homeowners throughout the Mid-Atlantic region.
Condensation
A broken seal for double glazing could allow water to enter the gap that is used to insulate. This water can cause condensation within the window panes. It could also result in misting or fogging.
If you notice condensation inside your home you should contact a double glazing repair company. Condensation is a sign that the seal created at the factory has failed and water is leaking into the gap between the insulated and non-insulated.
Condensation can be caused by a number of causes however, the most common cause is gaskets, sealants, or insulation in the uPVC frames of the windows. Therefore, there are a few different double glazing seal repair options, however it is essential that the new seal is properly sized to ensure the perfect fit and water-tight seal.
Gaskets are generally composed of polyurethane, which is a substance that can be used to close gaps between double-glazed units. These are designed to last a long time however, they may degrade as time passes due to wear and tear and exposure to different temperatures and weather conditions throughout the year.
Over time the foam may shrink or crack. This results in a crack in the seal which allows moisture to get into those areas of your double-glazed windows. This can lead to condensation and a loss in energy efficiency.
One solution to this issue is to seal the windows. This isn't a 100% solution since it will only remove the existing condensation, and not address the underlying problems that cause the double-glazed window to leak or form condensate.
Another solution is to have your windows replaced completely. This should be done by a professional that offers an insurance backed guarantee. This means that in the event that the company fails or is shut down, you will still be covered by the insurance. It's important to note that the warranty for windows replacements should be at least 10 years.
Misting
Verify that your double-glazing seals are in good working order as the autumn season draws near. Window seals that are damaged or worn out do don't just affect the insulation properties of your windows but can also cause condensation, mold, and damp. To avoid further damage to your double-glazed windows and to save money on energy bills, it's important to repair any issues as soon as you can.
Double-glazed windows are constructed of two panes glass that are joined by a gas-filled inner space. The sealant layer on the outside fills the gap between uPVC frames and the glass. This is vital to ensure the air-tight seal that keeps warm and cool air in your home separate which will save you money on heating costs. However, over time, these seals will fail due to age or weather conditions, or even inadequate installation. The encapsulation formula that makes double glazed windows so efficient can start to degrade as soon as this happens.
If left unchecked, damaged or faulty seals could lead to condensation and damp that can not only affect the appearance of your windows, but can also affect your health. Mold and damp not only cause damage to your floors, walls and ceilings but can also create allergens and irritants in your home that can cause harm to you and your family's health.
The most frequent issue with double glazing is the misting between the panes. This happens when moisture gets into the insulated part of your window. This is difficult to fix without expert help with repair of your seal.
DIY solutions to this issue are available, but we advise against them as they can be messy and damage your windows. These methods involve drilling holes into the glass units and applying chemicals to remove the fog condensation. This can cause a number of complications and, in particular, expose your windows to water damage, which can ruin the unit altogether.
Professional glaziers have the expertise, tools and experience needed to effectively reseal your uPVC frames and provide you with long-lasting results. Additionally, they can also offer suggestions on the best way to maintain your uPVC windows to avoid future issues.
Draughts
A draft coming from your window is a sign that the sealant may have deteriorated. It is recommended to repair it or replaced. This will prevent cold air from getting into your home. It will also improve energy efficiency, lower heating bills, and increase comfort.
It is also important to note that not all draughts originate from window seals but rather from the gap between the frame and bricks. In some instances, it might be possible to correct this by simply caulking the gap. If this doesn't work, it will require the seal to be professionally repaired.
When the sealant around double-glazed windows begins to fail and allows water to infiltrate. This can result in damp or even mold. This could cause harm to health and cause damage to property. If you find any issues with water ingress, you should deal with them as soon as possible. If your windows are still covered by a warranty It is worth checking to see if the company that supplied them will be able to cover the cost.
It is worth checking whether the windows are covered by a warranty. Some companies provide lifetime guarantees and others offer 10 years. If your double-glazed windows are under warranty, it's worth contacting the company you purchased them from as soon as you can and providing them with the details of any issues that you're experiencing. The ideal approach is to do this in person, or via letters and emails, to ensure everything is recorded and clear.
It is also worth noting that draughts are often caused by faulty hinges, and not due to a lack effective seals. The hinges close the window sash which is the one you open. If they are not regularly oiling them and become stiff, they may develop. This can leave a gap between the frame and the sash and allow cold air in. Replacing these hinges will solve this issue, without affecting window seals.