Tue. Apr 23rd, 2024

Double Glazed Windows Repairs

Double-glazed windows may require repair double glazed windows for a variety of reasons, like condensation between the panes, draughts or sagging frames. Many of these issues are fixable.

If your window or door is difficult to open try oiling the hinges, mechanism and handles. This is usually a low-cost temporary fix.

Broken Panes

If a window pane breaks, it loses its insulation properties and can create a draft. If the dividing muntins are broken, it could cause water to escape between the glass panes resulting in condensation, mildew and mould and making your home less efficient in energy use. It is recommended to have a professional repair the damaged window in order to get the best seal and energy efficiency.

First, you’ll need to remove the broken glass. Start by placing a low-cost glass cutter from an appliance store beneath the broken pane. It’s a good idea to grease the cutter with light oil prior to when you begin. This will stop the glass from breaking too easily. The ball-shaped end of the tool can be used to loosen the pieces. They should come off quite quickly.

Scrape any old glazing compound off the recess of the frame after the glass is removed. This will expose the glazier’s point and metal clips that keep the pane in the frame. Replace them if you notice any corrosion. If the window is constructed of wood the glazier points can be reused if they are still in good shape.

The remaining frame must be prepared to allow the re-glazing. Using a caulking gun, apply a continuous strip of compound around the inside edge of the recess. Make use of a high-quality glue like glazier’s compound that is contained in a cartridge or conventional compound that comes in a tin. Dry it out before installing the glass. Install the metal clips if they are on the frame. Install the dividers.


Condensation can be a problem for double-glazed repairing upvc windows (mouse click the next page), especially during the winter. It is typically caused by high levels of moisture in your home. Warm air meets cold glass and condenses into droplets of water. These then collect in the corners or frame of the window. You can prevent this from happening by opening your windows more frequently and improving ventilation with extractor fans, Repairing UPVC Windows and utilizing dehumidifiers. If condensation is still an issue, it’s best to call in an expert to determine the bottom of the issue. You can then fix or replace your windows when required.

Condensation on a double-glazed window is a sign that the seal has failed. This is due to the factory applied vacuum seal will break down in time and allow cool air to make its way between the panes. This could lead to fogging of the window and eventually mold growth if not addressed quickly enough.

As a quick fix for condensation, you can try using a hairdryer to dry up the excess moisture. However, this is only a short-term solution and should only be only used as the last resort. If the condensation is allowed to sit for too long, you may be experiencing dampness or even mould within your home, which needs to be dealt with by a professional.

As a long-term solution, you can have your double-glazed windows repaired by experts. They’ll take off the affected pane of glass, clean out the gap, and then pipe into hot air to evaporate any lingering moisture. During this process, they’ll also examine for any damage, mildew or mould growth and carry out a draught-proofing process to ensure your windows are completely operational and energy efficient again.


Rubber seals may wear down in time and create a draft between your two panes. This is often a simple problem that can be fixed by replacing the gaskets, and this will create a strong and airtight seal once again. This will keep warm air inside your home, and cooler air out. You can save money on your energy bill.

Double glazing that is misted may be an indication of blow-blown seals. The unit is composed of two panes of argon-filled glass separated by a spacer to form an airtight window. If the seal has blown water vapour can enter your home through the gap. This will create condensation between the glass panes which cannot be removed.

Fortunately it is a simple issue to fix and the windows can be replaced very quickly by specialists who have all the right tools and know how to do it right. The professional will employ an instrument designed to push into the new seals. This is usually quicker than doing it manually. The tools also have a pointed tip which is useful to push the seals into the corners.

In certain cases professionals may be able to ‘reseal your windows’ by drilling a small hole in the window and then putting in the desiccant material, or putty. This is a cheaper solution than replacing your double-glazed windows and still provides you with a Draught-proofing system.

Faulty Hinges

Misted double glazing is a common problem that many people experience. It could be caused by cracked or broken glass or frame or even a broken seal. It is possible to correct this issue. Normally, this involves making a new seal between the two glass panes. The new seal will stop leaks, condensation and draughts from happening.

As soon as you notice any issues, you must contact the company that sold you your windows. It is important to notify the company in writing and demand confirmation that they received your message. If there are any disputes the fact that everything is written will help you prove your complaint.

A window repair expert might be able to drill a hole in the gap between your windows in order to eliminate moisture and form the seal. This is a temporary fix and won’t stop moisture from returning. It might also be possible to replace the glass, which would make it watertight.

Make sure that you only try DIY fixes only if your skills and experience are adequate. Using super glue or another type of DIY solution could cause more damage in the long run. If you are unsure of what to do, it’s always better to seek professional advice. You can find an expert in your area who can provide double glazing repairs by entering your postcode in the search box on Checkatrade. All of our tradespeople are verified and checked for accuracy and you can trust them to provide a high-quality service.

Broken Seals

double glazing window repair-glazed windows are secured by seals on windows or gas. Many factors can cause them to break, like the weather, age, and power washing. It’s crucial to be aware of what the signs are and how to repair them.

When a window seal breaks it allows humidity to seep in between the two glass panes, causing fog. This is a common issue that can cause the window appear disfigured. Once the seal fails, argon and other inert gases are emitted from the window, thereby reducing the glass’s insulating qualities.

A professional glazier can replace a broken window seal with a brand new one. However, this is costly and might not resolve the fog issue completely. Certain companies offer defogging solutions that involve putting the vacuum pump of a specific type inside the window frame to remove the moisture and make the glass clean. This method isn’t 100% reliable, and it does not replace inert gasses, meaning that fog may be re-created.

If the IGU (insulated unit) is beyond repair, a glazier can replace it. This is typically the most cost-effective option and is a great option if you’re seeking the long-term solution. It is recommended to choose a firm that offers a warranty for replacement windows to ensure that any problems are covered. This way, you can rest at ease knowing that you’ll get maximum value for your investment. You can also try to avoid the problem by selecting a high-quality product and following the maintenance instructions provided by the manufacturer. This will help to prolong the lifespan of your window and decrease the need for repairs.

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