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Double Glazed Windows Repairs

There are a variety of reasons your double-glazed windows may require repairs including condensation between panes to drop or sagged frames. Most of these problems are fixable.

If your window or door is difficult to open, consider oiling the hinges, the mechanism and handles. This is a simple, affordable solution.

Broken Panes

When a window pane breaks it loses its insulating properties and can create draft. If the dividing muntins are broken, it could cause moisture to escape between the glass panes, leading to condensation, mold and mildew and making your home less efficient in energy use. A broken window is best repaired by a professional to ensure you get the correct seal and maximum energy efficiency.

In the beginning, you'll have to remove the broken glass. Start by placing a protective drop cloth beneath the window that has been broken and cutting around the perimeter of the pane using an inexpensive glass cutter (available in a majority of hardware stores). It's worth lubricating this tool's cutter with a light oil before you begin. This will prevent the glass from shattering too easily. The ball-shaped tool can be used to break the fragments. They should be removed quite quickly.

Scrape any old glazing compound from the frame's recess once the glass is removed. This will reveal the glazier's points and metal clips that keep the pane in the frame. If there's evidence of corrosion, these clips should be replaced with new ones. If the window is made of wood the glazier points may be reused if they are still intact.

The remaining frame will need to be prepared for the re-glazing. Apply a continuous strip compound to the recess using the caulking tool. Use a high-quality putty such as a glazier’s compound in cartridge. Allow it to dry prior to re-inserting the glass. If the frame is made of metal clippings, they should be replaced as well. Reinstall the divider muntins.

Condensation

Condensation is a common problem that double-glazed windows may experience, especially in the wintertime. It is typically caused by too many levels of moisture in your home. Warm air meets cold glass, which condenses into water droplets. They then settle in the corners and frame of the window. This can be prevented by opening windows more frequently and enhancing ventilation with extractor fans, and using dehumidifiers to reduce moisture levels. If condensation is still a problem, it's important to call in a professional to get to the bottom of the issue. You can then fix or replace your windows if necessary.

It's also important to know that condensation on a double-glazed window could be a sign of a leaky seal. This is due to the factory applied vacuum seal will be damaged over time, allowing cool air to flow between the panes. This could lead to fogging of the window and eventually mold growth if it is not addressed promptly enough.

Hairdryers can be used as a quick solution to get rid of excess moisture. But, this is only an interim solution and should be only used as a last option. If the condensation has been left for a long time it might be facing mould or dampness within your home, which must be dealt with by a professional.

Professionals can seal your double-glazed window for a more permanent solution. They'll take off the affected pane of glass, clean out the gap, and then pipe in hot air to evaporate any moisture that remains. During this process, they'll examine for any damage, mould or mildew growth and apply a draught-proofing treatment to ensure that your windows are efficient and energy efficient again.

Draughts

Rubber seals can wear out in time and create drafts between the two panes. It is an easy fix to replace the gaskets which will result in an airtight seal. This will keep the warm air inside your home, and the colder air outside, saving you money on your energy bills.

Double glazing that is misted may be an indication of sealed blown seals. The unit is made up of two glass panes filled with argon separated by a spacer to create an airtight window. If the seal has blown it will allow water vapour to enter your room through the gap, causing condensation between the panes which cannot be wiped off.

Fortunately it is a simple problem to fix and windows can be replaced very quickly by experts who have the appropriate tools and know how to do it correctly. The professional will employ an instrument designed to push the new seals into position and this is normally quicker than attempting to do it by hand. These tools have an edge that can be used to push seals into corners.

In some cases an expert might be able to "reseal' your windows by drilling a small opening into the window and adding the desiccant material, or putty. This can be more cost-effective than replacements, and will give you an effective draught-proofing solution for double glazing.

Faulty Hinges

Many people have experienced misted double glazing. It can be caused by broken or cracked glass frame, or even a broken seal. The good news is that it can be easily repaired. Usually, this means creating a new seal between the two glass panes. The new seal will prevent condensation, draughts, as well as leaks.

As soon as you notice any issues, you must contact the company that sold you your windows. Make sure you do this in writing and request them to confirm that they've received your notice. Having everything in written form will be helpful later if any disputes arise, since it will be easier to prove that you did indeed complain.

In some cases the window repair expert may be able to drill a hole in your windows to draw moisture out and create an entirely new seal. However, this is usually only a temporary fix and will not prevent moisture from returning. In addition, it might be possible to replace the glass unit itself, to ensure that it is watertight.

Be aware that you should only try DIY fixes with the knowledge and skills you have are adequate. Utilizing super glue or any other type of DIY solution can cause more harm in the long term. If you are unsure of what to do, it's always recommended to seek professional advice. Entering your postcode in the search box of Checkatrade will allow you to find an expert in your area who can provide double repair for your window. All of our tradespeople are verified and checked for accuracy which means you can rely on that they will provide you with a top quality service.

Broken Seals

Window seals, also known as insulation gas fills, are what hold double-glazed windows in place. Many factors can cause them to break, such as weather conditions, age and power washing. It's crucial to be aware of what the signs are and how to fix them.

If a window seal is damaged, it allows humid air to seep in between the two glass panes, creating fog. It's a frequent issue and can cause the window to appear visually distorted. When the seal is damaged, argon and other inert gases are emitted from the window, decreasing the glass's insulation properties.

A broken window seal can be repaired by having it replaced with a new one by a professional glazier. However, this is costly and might not resolve the fog problem entirely. Some companies offer defogging services which include putting the vacuum pump of a specific type inside the upvc window repair frame to remove the moisture and make the glass free of fog. However, this method is not 100% reliable and cannot replace any inert gas, and the fog could return.

A glazier is also able to replace the entire IGU (insulated glass unit) when it's beyond repair. This is the most cost-effective method and can be a great choice if you are looking for a long term solution. However, it's best to select a company that offers a warranty for replacement windows to ensure that any problems are covered. You can be sure that your investment will yield the most effective results. You can also try to avoid this issue by selecting a window of high-quality and following the manufacturer's care instructions. This will extend the life of your window and reduce the need for repairs.