energy efficiency

10 Unexpected Double Glazing Window Repair Tips

7 min read

Double Glazing Window Repair

Over time, double glazing can cause problems, like being difficult to open windows or doors that is snagged. Fortunately, these problems can be fixed with ease.

Many homeowners will try to fix these issues themselves. However this should be left to experts. Doing this without the right tools and experience could cause damage.

Broken Panes

A window that is damaged is a nagging and uncomfortable issue. It can let cold or hot air into your home, and leave a gap which allows debris or moisture to get in. This could also affect your energy efficiency as your AC or furnace will need to work harder in order to keep your home warm. Depending on the weather conditions and whether you have single or double-pane windows, you may be able to repair the damage using silicone sealant. For a permanent fix, you will need professional help.

Tape with a high-performance adhesive can be used to fix a damaged or cracked window Doctor. A tape strip placed over a crack can prevent it from getting worse. However, a crack that goes all through the glass or that is too large to be covered with tape will need to be completely replaced.

Broken glass can result from numerous factors: a stray pebble from the lawnmower that lands on the window; an unintentionally placed drink heavily on a glass-topped table or a pet’s exuberant leap when you open the door. It could also happen naturally as the frames of your windows move slightly over time, breaking the special packaging material that holds the glass sheets in the right place.

When you have a broken glass pane, wear thick gloves and place a cardboard box nearby to catch the shards. Remove the sash and work on a level surface, such as the table. Wear a mask to ensure not to breathe in the glass shards.

After the old glass has been removed, clean any paint or varnish from the window doctor‘s frame. You can use a heat gun to soften old glazing putty or metal glazing points which helped to hold the glass in place.

Then, you can measure the opening of a new glass. To allow for expansion and contracting you should always purchase a replacement glass that is slightly smaller than the opening. Make sure that your local hardware or home center cut the glass according to these measurements.

Put the glass in the frame. Fill any gaps with silicone caulk. You can buy it at a home improvement shop. Then, smooth the caulk with a putty knife. Attach glazier’s tips to the edges of the glass frame around every six inches, to ensure that they hold the pane securely in place.


Condensation can occur on double-glazed windows, whether they are brand new. This is especially the case in winter when colder air comes into contact with warmer glass. It could be a problem but it is not usually a big problem. Condensation on windows is an indication that your double glazing system is working well.

It could be a sign that your seal is failing and water is flowing through the gap. There may be a milky appearance on the window, or water beads appearing on its surface. This is something that needs to be dealt with to prevent the growth of mold, mildew, or other damage.

Luckily condensation can be gotten rid of quickly. A technician will drill small holes into the window’s frame to allow the moisture that has been trapped to escape. This process is called defogging, and it can also be used to eliminate stains that are caused by moisture that has been trapped.

It is important to remember that defogging doesn’t fix the underlying problem of a failing seal. In fact, it may not do so even in the event that the condensation is gone, because the compromised air between the panes remains. This could mean you are not getting as much heat insulation as you would like from your windows.

It is important to speak with an expert as soon as you notice moisture in your windows to determine the next steps. They might suggest an option such as putting in vents in the windows that let fresh air to enter but don’t allow warm air to escape.

It’s the last thing you want for your double-glazing system to break down. This is especially true when it could be costly to replace. With the right skills, knowledge and equipment, it is possible to repair your double glazing and keep it in great condition for many years to come. If you require repairs to your double glazing call us now to find out how we can help. We provide a range of services ranging from replacing one or Window Doctor several panes of glass that has been tempered to installing energy efficient upgrades.


A leak is a huge issue because it means there is a possibility of damp ingress which can lead to damage. It can be costly to fix and is often a sign of further problems within your property, like dry rot or mold. It’s crucial to fix the leak as soon as you can.

If you notice that the windows of your double-glazed windows are noisy, it is likely that the seal has been damaged. This could also mean that there is no longer any gas called argon in the glass panes which is used for insulation purposes. A professional technician can reseal your window to solve this problem.

Sometimes, dirt may cause double-glazed windows to be cloudy or misty. This is usually a sign that the seal is failing and the glass must be cleaned. This can be done by a specialist using high-pressure water jets that will swiftly remove any dirt or debris.

If condensation develops between the two panes of your double glazing, this is an indication that the seal is not sealing properly and that there is not any argon between the glass. This is a serious issue and means that your double glazing is not insulates your home in the way it should. The glass can be replaced, but you will need to do it sooner rather than later because the performance of the double-glazed window has been affected.

If you have double-glazed windows that are under warranty, you should contact the installer and report any problems with the units or sealing of the glass. It is unlikely that the warranty will be able to address these issues. If you attempt to alter the seals with the units or attempt to repair them yourself, this could invalidate the warranty, and it is best to leave the repairs to experts. We suggest that you employ a double glazing repair specialist.

Weather Damage

In areas of extreme weather, double-glazed windows require a strong frame which can hold the glass panes in place. Ice, snow high winds and tumultuous storms can all result in damage to your windows. Call a professional to repair double glazing if you notice cracks, dents or holes.

If you see water flowing out of the bottom of the window, it could be an indication that the seal inside has been damaged and is allows moisture into your home. Additionally to that, your uPVC or aluminum window frame could be bending or warping. You’ll need to replace your window seal and then reinstall it into the frame in order to correct this.

Window seals ensure that double-glazed windows are airtight. They keep heat from entering your home and prevent condensation between the glass panes. These window seals are usually made of uPVC or aluminum and help to hold the glass in the right place. When the window seals are damaged, you may be faced with issues like draughts, energy loss and misted windows.

Misting windows are a typical problem and is caused by the gas used to insulate the double-glazed window failing. The argon gasses keep the glass in place, and create an airtight sealing however if the glass is damaged or worn out, the gases can escape. The gases released by argon can cause condensation between the glass panes.

The issue can be fixed by replacing the window seal and re-inserting glass. You can apply an anti-fogging treatment to avoid any further condensation. It is recommended to hire professionals to do the job for you.

While it is important to have double-glazed windows, they aren’t immune to damage and will require to be repaired from time to time. Fortunately, the majority of windows can be restored without the necessity of replacement. To do this, it’s a good idea to have some basic tools in your arsenal. You’ll need gloves to protect yourself and a tape measure, scotch tape, or a transparent film and nail polish, and a plastic sheet that is cut to size.

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