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Double Glazed Windows Repairs

There are many reasons your double glazed windows might need repairs such as condensation between panes, to draughts and dropped or sagged frames. Fortunately, the majority of these issues can be fixed.

Try lubricating the hinges, handles, and mechanisms of your window or door when it is difficult to open. This is a quick and inexpensive fix.

Broken Panes

If a window pane is damaged and shattered, it loses its insulation properties and can cause a draft. If the muntins that separate the glass panes also damaged, moisture could leak between them causing condensation and mildew, as well as mould. This will make your home less efficient in energy use. It is recommended to hire an expert repair a damaged window to ensure the most effective seal and energy efficiency.

The first step is to remove any broken glass. Start by placing a protective drop cloth underneath the broken window, and then cutting around the perimeter of the pane using an inexpensive glass cutter (available at most hardware stores). Before starting, you should make sure to lubricate the cutter of this tool with an oil that is light. This will prevent the glass from breaking too easily. Then, you can make use of the tool's ball-shaped tip to loosen the pieces and the glass should break off fairly quickly.

After the glass has been removed, scrape away any old glazing compound from the recess area of the frame. This will reveal the glazier's facets and metal clips that hold the pane in place. If there's any sign of corrosion, these clips should be replaced with new ones. If the window is wooden, the glazier's points can be used again if they're in good condition.

The surface of the remaining frame will need to be prepared to allow re-glazing. Using a caulking gun, apply a continuous ribbon of compound along the inside edge of the recess. Make use of a premium putty such as a glazier’s compound in a cartridge. Allow it to dry prior to re-inserting the glass. Install the metal clips if they are on the frame. Reinstall the divider muntins.

Condensation

Condensation is a frequent issue that double-glazed windows may experience, especially in the winter months. This is usually caused by excessive levels of moisture in your home. Warm air collides with cold glass, which condenses into droplets of water. These droplets then accumulate in the corners and frame of the window. This can be prevented by opening your windows more often and improving ventilation by installing extractor fans, and using dehumidifiers to reduce moisture levels. If condensation continues to occur, you should call an expert who can identify the issue and repair or replace the windows if necessary.

It's also important to know that condensation on double-glazed windows could be a sign of a failing seal. The seals that are applied at the factory can wear out over time and allow cool air to get between the panes. This can cause the window to become cloudy and then develop mold if it's not addressed quickly.

As a quick fix for condensation, try using hair dryers to dry the excess moisture. This is only a temporary solution and should be used only as a last resort. If the condensation is left for too long it may be experiencing dampness or even mould within your home, which must be addressed by a professional.

As a longer-term solution, you can have your double-glazed windows repaired by professionals. They will remove the affected glass pane and clean the gap. They'll then pipe hot air into the space to dry out any moisture. During the process, they'll check for damage, mildew or mould growth, and then apply an draught-proofing procedure to ensure that your windows are fully functional and energy efficient once again.

Draughts

As time passes, the rubber seals around the edges of your insulated glass can fall apart and cause a draught to form in the space between the two panes. This is typically a simple issue that can be resolved by re-installing the gaskets and this will create a strong and airtight seal once again. This will keep warm air in your home and the colder air out, saving you money on your energy bills.

Double glazing that has mist could be an indication of sealed blown seals. The unit is comprised of two panes of glass filled with argon separated by a spacer to form an airtight window. If the seal is blown it will allow water vapour to get into your space through the gap, causing condensation between the panes which is not able to be cleaned off.

Fortunately, this is an easy problem to fix, and windows can be replaced very quickly by professionals who have the appropriate tools and know how to do it properly. The professional will employ tools designed to push the new seals into position and is generally faster than attempting to do it by hand. These tools feature a pointed tip that can be used to push seals into corners.

In certain situations professionals might be able to "reseal' your windows by drilling a small hole into the window and adding a special desiccant material or putty. This can be more cost-effective than replacements, and will offer a reliable protection against draughts for your double-glazed windows.

Faulty Hinges

Misted double glazing is a frequent problem that many people experience. It could be caused by broken or cracked glass frame, or even a broken seal. It is usually possible to resolve this issue. Typically, this is done by making a new seal between the two panes of glass. The new seal will help prevent condensation, draughts, as well as leaks.

Contact the company through which you bought your windows and let them know of any issues immediately you spot them. You should notify the company in writing and demand confirmation that they received your notification. Making sure that everything is in writing will help later on should 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 out moisture and create a new seal. However, this is generally only a temporary solution and won't stop moisture from returning. Alternatively, it may be possible to replace the glass unit itself which will ensure that it is watertight.

Make sure that you only attempt DIY fixes if your skills and knowledge are sufficient. Super glue or other DIY solutions can cause more permanent damage. If you aren't sure what to do, it's always advisable to seek out professional advice. You can locate a local tradesperson who offers double glazing repairs by typing your postcode into the search box on Checkatrade. All of our tradespeople are verified and checked for accuracy which means you can rely on them to provide top-quality service.

Broken Seals

Double-glazed windows are secured by window seals or insulation gas. They are susceptible to damage due to many elements, including weather conditions, age, and power washing. It is important to be aware of the signs and how to fix them.