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Why Nobody Cares About Repair Double Glazing
How to Repair Double Glazed Windows

Double glass that is draughty, difficult to open or that has sagged, fallen or sagged might require repairs. Hinges mechanisms, handles, and seals can all be replaced or repaired by a professional tradesman.

You can complete some repairs yourself however, it's more time-consuming than hiring a professional do it. It is also safer.

1. Broken Panes

Double pane windows rely on the space between the windows to form an airtight seal. This helps keep the heat in and keep the cold out. This seal can become damaged when exposed to extreme temperatures or an impact. It is important to fix cracks in double pane windows as soon they begin to appear. A small crack may worsen over time, leading to a broken double pane window.

It's best to contact a professional if you have damaged windows. They'll help you find the right replacement window for your frame. Then, they'll put in the new pane and ensure it is secure. It's also crucial to get rid of all old putty and metal glazing points prior to installing a new window.

This is a challenging task, so it's recommended to wear gloves and eye protection. Utilize a pull-type paint scraper or an old chisel to break out the old putty. To prevent the putty from cracking you can place a hot gun on it to slowly soften it. After the putty is removed, you will have to clean the grooves and sand them. Then, you can apply silicone caulk for durability.

It's best to order a new pane of window glass from your local home improvement or hardware store. Before you do that, take measurements of the length and width of your frame to determine which size window is best for your home. Subtract 1/8 inch from all sides to get exact measurements for a replacement. You might end having windows that aren't properly fitted and expose your home to the elements.

2. Condensation

Many owners of double glazing will encounter condensation at some point in the lifespan of their windows. It is typically caused by the absence of air circulation or humidity problems that causes cold surfaces like windows to draw moisture. This is especially a problem in bathrooms, as excessive steam will travel through the window and evaporate to form condensation on the glass's surface.

This moisture can cause heat loss from your home, which will increase your energy bills. If left unattended for a long time the condensation could lead to damp and mould within your property which may require professional intervention.


Open your windows each day in the morning, unless it is extremely cold. You should also leave your vents for trickle ventilation open when you're not in. You can also install dehumidifiers at home to help absorb water and stop it from developing on surfaces like your double-glazing.

In more serious situations it is possible to replace the windows that are double-glazed completely if there is an issue with the seal between the panes. This is a costly repair, however, it will help to keep your home or building warmer and more efficient. If you've had double glazing installed, check to see if they're still covered under warranty, because this means that the window units are replaced free of charge by the installers. Avoid DIY solutions for condensation because this could void the warranty.

3. Leaks

If you see water droplets or a mist appear between the panes of double glazing, it could be a sign the seals are faulty. However, this doesn't necessarily suggest that you require a new window since it can be fixed simply by replacing the caulking around the frame.

A common cause for this problem is due to the fluctuating temperatures that cause the frames of double-glazed windows and doors to expand and contract. This can result in gaps appearing around the frame that over time will create drafts and allow water to seep into the house.

Another reason could be that the insulating gases within the window become dislodged over time. This can cause drafts and allow moisture to enter the home. If your double-glazed windows are a challenge to open and close, wiping them down with cold water may temporarily solve the problem until warmer weather returns.

Most double glazed windows and doors are covered by a warranty from the company who installed them. If you experience any issues with double glazing that are covered by this guarantee, contact them as soon a possible. This can be done via phone or in person, and then followed up by writing a letter describing the problem and the date at which it was first noticed. This will prevent any confusion later on if there is a dispute over what has or hasn't been covered under your guarantee. This will ensure that the company who performed the work takes your complaint seriously. If you're unable to receive a satisfactory answer from the company you purchased the double glazing from, it might be worth hiring an alternative tradesman who is approved by Checkatrade and is rated by their customers.

4. Damaged Hardware

A double-glazed window consists of two glass panes that are separated by spacer bars with a gap filled with gas for insulation. It is set in a frame made of uPVC or aluminium. As time passes, the hardware may become loose. A window or door that isn't opening can be frustrating.

The cost of replacing a double-glazed windows can be expensive. Window repair companies charge $50-$80 an hour to take out and replace the old window. The cost depends on the size of the window, its thickness, and shape of the window, as well as the quality and design of its frame and sash. The cost of the repair will also be based on whether the window is double-hung or single-hung. door lock repair that are larger or require roof access will cost more to repair as repair technicians require additional tools and safety precautions.

Installers will wash the new pane of a double-glazed window prior sealing it. The installer will then apply silicone around the edge to ensure that the seal is watertight. This is especially important for windows that are situated on the ground floor of a building, where condensation can build up in the frame's bottom.

Another method to keep your windows looking nice is to paint them regularly with the highest quality paint. This will protect them from fade due to UV radiations and make them look shiny and new for longer. Double-glazed windows can make your home more peaceful and increase its value by making it more energy-efficient and suitable for prospective home buyers to live in.

5. Damaged Glass

Double-glazed windows are designed to keep your home warm by preventing cold air from entering and letting warm air into. This reduces the amount of sun that enters a room and also helps protect your furniture from sun damage. But sometimes, glass can get broken. A pebble can bounce off a lawnmower, or a strimmer, and break a pane. Perhaps a child throws a ball at it or a collision occurs. Whatever the cause, a broken window could cause a lot of inconvenience.

Often, a cracked pane can be fixed with epoxy or similar products. Before applying the epoxy, it is important to clean and get rid of the old putty. You can soften the putty using a cotton cloth that has been soaked in linseed or a heat gun. Then you can scrape away the glass that has split and cut the edges to remove any traces of old putty from the frame.

Then apply the epoxy to the crack, spreading it across the entire surface. It is important to press it thoroughly into the crack. Let the epoxy completely dry before putting in the new pane. Make sure that the replacement is of the same size to the previous one. If you are replacing a leaded glass panel, gently bend the lead in an H-shaped shape back over it.

If you are not comfortable making these DIY repairs or if the damage to your windows is extensive and beyond repair, then it's best to seek professional help. Checkatrade makes it simple to locate a reliable and skilled tradesperson. Simply enter your postal code and details of the job and you can be matched with local experts in seconds.

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