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Double Glazed Windows Repairs

There are many reasons your double-glazed windows may require repair, from condensation between panes to dropping or sagging frames. Thankfully, most of these issues can be fixed.

If your window or door is difficult to open, try oiling the hinges, mechanism and handles. This is usually a simple, short-term fix.

Broken Panes

When a window pane is broken, it loses its insulation properties and could cause draft. If the dividing muntins are also broken it can cause moisture to escape between the glass panes, resulting in condensation, mildew and mould and making your home less energy efficient. A broken window is best repaired by an expert to ensure that you get the correct seal and optimum energy efficiency.

In the beginning, you'll have to take the broken glass off. Start by placing an inexpensive glass cutter from an appliance store beneath the broken pane. It's a good idea to grease the cutter with lightweight oil before you begin. This will help prevent the glass from breaking too easily. Then, you can make use of the tool's ball-shaped tip to loosen the fragments and they should fall away quickly.

After the glass has been removed, scrape off any old glazing compound that has accumulated in the recess area of the frame. This will expose the glazier's clips and pins that keep the glass in place. Replace them if there's any corrosion. If the window is made of wood, the glazier points can be reused if still in good shape.

You'll need to prepare the surface of the remaining frame to be re-glazed. Apply a continuous strip compound to the recess using the caulking tool. Use a high-quality putty such as glazier's compounds that comes in a cartridge, or a standard compound sold in a can. It should dry before reinstalling the glass. If the frame is made of metal clippings, they must be replaced as well. Install the dividers.

Condensation

Condensation is a concern for double-glazed windows, especially during the winter. This is usually caused by high levels of moisture within your home. Warm air collides with cold glass and condenses to droplets of water. They then settle in the corners or frames of the window. It can be prevented by opening your windows more often and enhancing ventilation with extractor fans, fix and using dehumidifiers in order to reduce the amount of moisture. If condensation is still an issue, it's best to contact an expert to determine the root of the issue and fix or replace your windows when needed.

It's also important to know that condensation on a double-glazed window could be a sign of a failing seal. This is due to the factory-applied vacuum seal can break down over time, allowing cool air to make its way between the panes. This could cause the window to fog up and eventually grow mold if not addressed quickly.

As a quick fix to condensation, try using a hairdryer to dry up the excess moisture. This is a temporary fix and should only be used as a final alternative. If the condensation has been allowed to sit for too long you could be looking at mold or dampness within your home, which should be addressed by a professional.

As a long-term solution, you can have your double-glazed windows resealed by experts. They'll take off the affected glass pane and clean the gap. They'll then pipe hot air into the space to dry out any moisture. In the process, they'll examine for any the presence of mildew, mold or damage growth and carry out a draught-proofing treatment to ensure that your windows are fully operational and energy efficient again.

Draughts

The rubber seals wear out in time and create drafts between the two panes. This is usually a minor problem that can be fixed by re-installing the gaskets and this will result in a sturdy and airtight seal once again. This will keep warm air inside your home and the colder air out, saving you cash on your energy bills.

Misted double glazing is a sign the seals inside your sealed unit (sometimes called a DGU) have been blown. The unit consists of 2 panes of glass that are separated by a spacer bar to create an insulating space. It is then filled with gas, like argon to make the window replacement airtight. If the seal has blown the water vapour will get into your space through the gap. This will create condensation between the glass panes which can't be sucked out.

Fortunately it is a simple problem to fix and the windows can be replaced very quickly by experts who have the appropriate tools and know how to do it correctly. The expert will employ a tool designed to push the new seals into position and is generally faster than attempting to do it manually. These tools have a pointed tip that can be used to push the seals into corners.

In certain situations professionals could be able to "reseal' your windows by drilling a small opening into the window and then adding an adsorbent material or putty. This can be a more cost-effective solution than replacements, and will offer a reliable protection against draughts for your double glazing.

Faulty Hinges

Misted double glazing is a typical problem that many people experience. It can be caused by a broken or cracked glass frame or even a damaged seal. The good news is that this is often fixed. This usually involves creating a seal between the two glass panes. The new seal will stop condensation, draughts, and leaks.

Contact the company through which you purchased your windows and tell them of any problems as soon as you discover them. Make sure to put this in writing, and ask them to confirm that they have received your notice. Making sure that everything is in writing will make it easier to resolve any disputes arise, because it is easier to prove that you did indeed complain.

In some instances an expert in window repair may be able to drill a hole in your windows to draw moisture out and create the new seal. However, this is generally only a temporary fix and will not prevent moisture from returning. It is also possible to replace the glass unit, which will ensure it is watertight.

It is crucial to remember that you should only try DIY fixes if you have the skills and knowledge necessary to do so. Super glue or other DIY solutions could cause more long-term damage. It is best to seek out professional assistance when you aren't sure what to do. By entering your postcode into the search box of Checkatrade will help you locate a local tradesperson who offers double glazing repair. All of our tradespeople have been fully checked and vetted which means you can rely on that they will provide you with a top quality service.

Broken Seals

Double-glazed windows are held in place by seals for windows or insulation gas. A variety of factors can cause them to break, such as weather conditions, age and power washing. It's important to know what the symptoms are and how to fix them.

If a window replacement seal is damaged, it allows humid air to get into the two glass panes and create fog. This is a common issue, and it can cause the window to look visually disoriented. When the seal is damaged, gas like argon as well as other inert gases are emitted from the window, thereby decreasing the glass's insulation properties.

A damaged window seal can be fixed by replacing it with the new one by an experienced glazier. However, this could be costly and might not resolve the fog issue completely. Certain companies offer defogging, which involves placing a vacuum pump inside the window frame in order to eliminate moisture and make the glass clear. However, this method is not foolproof and doesn't replace any inert gas, and the fog may return.

A glazier is also able to replace the entire IGU (insulated glass unit) in the event that it is beyond repair. This is usually the most cost-effective option, and can be a good choice if you're looking for the long-term solution. But, it's best to select a company that offers a warranty for replacement windows to ensure that any issues are covered. You can be assured that your investment will yield the most effective results. You can also attempt to avoid this issue by selecting a window of high-quality and following the manufacturer's care instructions. This will extend the lifespan of your window and decrease the need for repairs.