10 Essentials Concerning Double Glazing Seal Repairs You Didn’t Learn At School

7 min read

Double Glazing Seal Repairs

If the seals of double glazing windows are broken, they can cause damp and mould. This could cause damage to the frame as well as the walls surrounding it, in addition to impacting your health.

Fortunately, the majority of uPVC windows can be repaired using sealing, not replacement. A glazier can clean the frame and the glass of the window. They will apply a new bead and smooth it.

Water Leaks

Window seals are designed for moisture to be kept out of your home. However, when they begin to break down, it could result in water leaks around your windows. A leaking window unpleasant, but it can cause expensive damage to the structure of your home. It is crucial to spot the issue early and get it repaired by an expert before it gets any worse.

Most of the time, the cause of the windows that leak is not in the glass itself, but on the frame and sill. A leak in this region is the most common indication of a damaged window seal. It could be due to damage to the window seal due to weather or aging, worn out caulking or even an obstruction in the drainage area resulting in the accumulation of ice or water.

Another indication of a damaged window seal is water appearing between the panes of your double-glazed windows. This isn’t as hazardous as a leak from water, since the water doesn’t travel far enough to get into your home. However, it does mean that the inert gasses that are trapped between your panes have escaped out. This can lower the insulation value of your window.

The final sign of a failed window seal is condensation that forms between the panes. It could be due to an ineffective seal or a damp environment within your home. It could also be a problem with the glass. It’s not just annoying but it can also result in mildew and mould growth within your home. It can be very difficult and costly.

If you’re seeing these indicators, it’s the time to have an inspection of your double-glazed windows. Repairing or replacing windows will safeguard your home against water leaks, cut down on the cost of energy and eliminate draughts. It’s a small price to pay to ensure the safety and comfort of your family. Contact Thompson Creek Window today to discuss your options regarding a window seal repair or replacement. Our staff is always ready to help! We serve homeowners in the Mid-Atlantic.


A broken seal for double glazing could allow water to enter the insulating gap. This water can cause condensation inside the window panes, and could cause fogging or misting.

If you see condensation forming inside your home it’s time to contact a professional double glazing repair service. Condensation is a sign that the vacuum seal drawn by the factory has been damaged and moisture is getting into the gap between the insulated and non-insulated.

Condensation is caused by a range of causes, but most commonly by gaskets, sealants or insulation in the uPVC frames of the windows. There are many options for double glazing seal repair however it is essential that the new seals are correctly measured to ensure a perfect seal and a perfect fit.

Gaskets are generally composed of polyurethane, which is a material that can be used to fill in gaps between double-glazed units. They are designed to last a long time however, they may degrade over time due to natural wear and tear and exposure to different temperatures and weather conditions throughout the year.

Over time the foam may shrink or crack and this results in a crack in the seal which allows moisture to get into the double-glazed windows. This can cause condensation and a loss in energy efficiency.

Re-sealing the windows is a way to fix this problem. This is not a guaranteed solution as it will remove the existing condensation, and not address the issues that are causing the double-glazed window to leak or form condensate.

A professional who can offer an insurance-backed guarantee should replace your windows in full. If the company fails, you’re still covered by insurance. It’s important to know that your replacement windows should have a warranty of at minimum 10 years.


As autumn draws nearer, it’s a good idea to make sure that your double glazing seals are in good shape. Window seals that are damaged or worn out do not only affect the insulative properties of your windows but could also cause condensation, mold and damp. It is crucial to fix any problems with your double glazed windows as quickly as you can to avoid further damage and save on energy costs.

Double-glazed windows are constructed of two glass panes which are joined by a gas-filled inner space. An outer sealant layer then fills in the gap between the upvc repair frame and the glass. This is essential to maintain the air-tight seal that keeps cool and warm air separate in your home, uk saving money on your heating bills. These seals can become damaged as time passes due to the weather, aging, or poor installation. After this, the magic insulation formula that makes double glazed windows so effective can begin to degrade.

If not checked or unchecked, damaged or defective seals could lead to condensation and damp which can not only affect the appearance of your windows, but can also affect your health. Dampness and moisture can cause damage to ceilings, walls, floors and other surfaces in your home. They can also cause allergens and irritants that can be harmful to your health as well as the health of your family.

The most frequent issue with double glazing is misting that occurs between the panes. This happens when moisture is absorbed in the insulated part of your windows. It isn’t easy to fix without professional double-glazing repair.

DIY solutions to this problem are available, however, we do not recommend them as they could be messy and can damage your windows. These methods involve drilling into your glass unit and then using chemicals to eliminate fog and condensation. This could cause a number of issues, including exposure of your windows and units to water damage.

Professional glaziers have the expertise, tools and experience to safely reseal your uPVC frames and give you long-lasting results. They can also provide tips on how to maintain your uPVC window to avoid problems in the future.


A draft coming from your window is a sign that the sealant could have been damaged. It should be repaired or replaced. This will block cold air from getting into your home. It will also increase energy efficiency, lower heating costs, and improve the comfort.

It is important to keep in mind that not all drafts originate from the window seals but rather from the gap between the frame and the bricks. In certain cases, it could be possible to repair this by simply caulking the gap. If this doesn’t work, you’ll require the seal to be professionally resealed.

If the sealant around double-glazed windows starts to breakdown, it allows water ingress. This can lead to dampness or even mold. This can have a negative effect on health, and cause damage to property. If you notice any problems with water ingress and you want to take action as soon as you can. If your windows are covered by a warranty It is worth checking to find out if the company that supplied them will be able to cover the cost.

The windows themselves are usually covered by a warranty that can last a minimum of 10 years however some companies offer lifetime warranties – so it’s worth taking a look. If your double glazing falls under warranty, you must contact the company that sold them as soon as you can and inform them about any issues you’re having. It is best to reach the company in person or by email and letter. This will ensure that everything is recorded and clear.

It is also worth noting that draughts are usually caused by defective hinges and not by an ineffective seal. The hinges are responsible for closing the window sash (the section that you open) but they can also become stiff as time passes if they’re not regularly oiled. This could leave an opening between the frame and the sash and allow cold air in. This issue can be fixed by replacing these hinges without impacting window seals.

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