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Double Glazed Windows Repairs

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

Try lubricating the hinges, handles, and mechanism of your door or window in case it is hard to open. This is usually a cheap solution that is quick and easy to fix.

Broken Panes

When a window pane breaks it loses its insulation properties and could cause draft. If the muntins that separate the glass panes are broken, moisture can leak between them causing condensation, mould or mildew. This makes your home less energy-efficient. It is recommended to hire a professional repair the damaged window in order to get the most effective seal and energy efficiency.

First, you'll need to take out any broken glass. Begin by placing a protective drop cloth under the broken window and then cutting around the edges of the pane with an inexpensive glass cutter (available at most hardware stores). Before starting, you should grease the cutter with a light oil. This will stop the glass from breaking too easily. You can then make use of the tool's ball-shaped tip to break up the glass fragments and the glass should break away quickly.

Scrape any old glazing compound off the recess of the frame once the glass is removed. This will expose the glazier's clips and pins that hold the glass in place. Replace them if there's any corrosion. If the window is constructed of wood the glazier points can be reused if they're still intact.

You'll then need to prepare the surface of the remaining frame for re-glazing. Utilizing a caulking gun apply a continuous strip of compound along the inside edge of the recess. Use a high-quality putty such as a glazier's compound that is contained in a cartridge or conventional compound that comes in a tin. Let it dry before reinstalling the glass. If the frame is made of metal clippings, these should be reinstalled too. Install the dividers.

Condensation

Condensation is a frequent issue that double glazed windows repair-glazed windows may experience, especially in the winter months. It's typically caused by excessive moisture in the house as warm air meets cold glass, which forms into water droplets and collects in the corners of your windows or across the frame. This can be prevented by opening windows more frequently and improving ventilation by installing extractor fans and running dehumidifiers to lower the moisture levels. If condensation continues to occur, you should call a professional who can diagnose the problem and repair or replace the windows if needed.

Condensation on a double-glazed glass window is a sign the seal has failed. The seal that is applied by the factory can wear out over time and allow cool air to get between the panes. This can cause fogging of the window and eventually mold growth if not addressed quickly enough.

A hairdryer can be used as a quick solution to eliminate excess moisture. This is a temporary solution and should be used only as a final alternative. If the condensation is allowed to sit for too long it could be looking at mould or dampness within your home, which must be dealt with by a professional.

As a long-term solution, you can have your double-glazed windows resealed by experts. They'll remove the affected piece of glass, clean out the gap and pipe into hot air to eliminate any moisture that remains. During this process, they'll look for signs of damage, mildew or mould growth and apply a draught-proofing treatment to ensure your windows are efficient and energy efficient again.

Draughts

As time goes by the rubber seals around the edges of your glass are likely to fall apart and create a draught in space between the two panes. This is typically a simple problem that can be fixed by re-installing the gaskets and this will create a strong and airtight seal. This will keep warm air inside your home, and the colder air out, thereby saving you money on your energy bills.

Misted double glazing is a sign that the seals in your sealed unit (sometimes called a DGU) have blown. The unit is comprised of two panes of glass that are separated by an insulating bar that creates an insulating space. It is then filled with gas, such as argon for example, to make the window repairs airtight. If the seal has been blown it will allow water vapour to enter your room through the gap, creating condensation between the panes that cannot be wiped off.

Fortunately it is a simple problem to fix, and the windows can be replaced very quickly by professionals who have all the right tools and know how to do it properly. The specialist will use an instrument designed to push in the new seals. This is usually quicker than doing it manually. The tools also come with a pointed end that can be helpful for pushing the seals into the corners.

In certain cases an expert may be able to 'reseal' your windows by drilling a small opening into the window and then putting in an adsorbent material or putty. This is a cheaper solution than replacing your double glazing and will still provide you with a reliable air-tight system for draughtproofing.

Faulty Hinges

Many people have experienced misted double glazing. It could be caused by a cracked or broken glass or frame or even a damaged seal. It is possible to correct this issue. This typically involves creating a seal between the two glass panes. The new seal will prevent leaks, condensation and draughts from occurring.

If you spot any issues, you should contact the company that sold you the windows. Be sure to do this in writing, and ask them to confirm that they've received your notice. Making sure that everything is in writing will help later on should any disputes arise, because it will be easier to prove that you did complain.

A window repair expert may drill the gap between your windows to remove moisture and create the seal. However, this is typically only temporary and won't stop the return of moisture. It is also possible to replace the glass unit, which will ensure it is watertight.

It is important to keep in mind that you should only experiment with DIY fixes when you have the skills and know-how required to be able to do it. Super glue or other DIY solutions could cause more damage over the long term. It is best to seek professional help in case you are unsure of what to do. You can locate a local tradesperson who offers double glazing repairs by entering your postcode in the search box on Checkatrade. All of our tradespeople have been thoroughly vetted, and screened to ensure you are certain that they will provide high-quality service.

Broken Seals

Window seals, also known as gas fills, are what keep double-glazed windows in place. There are a variety of reasons that can cause them to break, like age, weather conditions and power washing, so it's important to know what the signs are and what to do to fix them.

If a window seal fails, humid air can seep between the two panes glass, creating fog. This is a common issue, and can cause the window to look visually distorted. If the seal fails, gas like argon as well as other inert gases are lost from the window, further decreasing the glass's insulation properties.

A professional glazier can replace a broken window seal with a new one. However, this is expensive and may not solve the fog issue completely. Certain companies offer defogging, which involves placing an air-pump inside the window frame in order to remove moisture and clear the glass. This method is not foolproof and doesn't replace inert gasses, Double glazed windows repair which means that the fog may return.

If the IGU (insulated unit) is damaged beyond repair, a glazier could replace it. This is typically the most cost-effective solution and can be a good choice in the event you're seeking a long-term solution. But, it's best to select a company with a guarantee for replacement windows to ensure that any problems are covered. This means you can be sure that you'll get most value from your investment. You can also get rid of the issue by choosing an item of high-quality and following the maintenance instructions given by the manufacturer. This will help to prolong the life of your window and decrease the need for repairs.