10 Meetups On Repair Double Glazing You Should Attend How to Repair Double Glazed Windows

If your double glazing is draughty, difficult to open, or has sagged or dropped it could require repair. Hinges, mechanisms, handles and seals can be repaired or replaced by a skilled tradesman.

It is possible to do some repairs yourself, but it can be time-consuming than hiring a professional to do it for you. It is also safer.

1. Broken Panes

Double pane windows rely on the space between the window to create an airtight seal. This helps keep warmth inside and cold outside. This seal can become damaged when exposed to extreme temperatures or a physical impact. This is why it's crucial to repair cracks in double pane windows immediately when they start to begin to appear. A small crack may worsen over time and lead to a broken window.

If you have a broken pane, it's recommended to call in an expert. They will be able to locate a replacement that will fit your frame. They'll then put in the new window and ensure it is secure. Before installing a new window it's essential to get rid of any old metal or putty glazing points.

This is a challenging job, so it's best to wear gloves and eye protection. Make use of a paint scraper that is a pull type or an old chisel to pry out the old putty. To ensure that the putty doesn't crack 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. You can then apply silicone caulk for durability.

It's best to order windows with a new pane of glass from your local home improvement or hardware store. Measure the width and height to determine what size window you require for your home. Subtract 1/8 inch on all sides to get the exact measurements for a replacement. You may end up with 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 during the lifespan of their windows. It is usually caused by an absence of air circulation in rooms, or humidity issues, which causes windows that are cold to draw moisture from warm air. This is particularly problematic in bathrooms, where steam can pass through the window, and cool to create condensation.

As this moisture is trapped in the insulating gap between your panes of glass it could cause heat loss from your building or home and result in higher energy bills for you. If the condensation is left untreated, it can result in damp and mould in your home.

You should open your windows daily in the morning, unless it is extremely cold. and make sure you leave trickle vents on when you go out. You can also install dehumidifiers in your home to suck up excess water and to prevent it from forming on surfaces such as your double-glazing.


In more serious cases it is possible to replace the windows that are double-glazed entirely if there is a break in the seal between the panes. emergency glazier is a costly fix but it will keep your home or building energy efficient and warmer. Make sure that your double-glazed unit is still covered by the warranty. If so it will be replaced by the installers. the window units at no cost. Avoid trying DIY solutions for condensation since this could invalidate your warranty.

3. Leaks

Water droplets or mist between the panes of your double glazing could indicate that something is wrong with the window's seals. But, this doesn't mean that you will need a replacement window as it can often be solved by replacing the caulking around the frame.

The most common cause of this problem is due to the fluctuating temperatures that cause the frames of double-glazed windows and doors to expand and shrink. This can result in gaps appearing around the frame which in time, can cause draughts and allow water to enter the home.

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

In most cases, double glazed windows and doors will be covered by a guarantee from the company who installed them. If you encounter any issues with double glazing that are covered by this guarantee, contact them as soon a possible. The best way to do this is done via phone or in person and followed up with an email stating the problem and the date you first noticed them. This will prevent confusion if there is a dispute about what is covered or not under your warranty. This will ensure that the business who performed the work takes your complaint seriously. If you have not received a satisfactory answer from the company who supplied you with double glazing, it could be worth seeking out an alternative tradesman approved by Checkatrade.

4. Damaged Hardware

A double-glazed window is comprised of two glass panes, separated by spacer bars and a gap that is filled with an insulating gas. It is mounted in frames made of uPVC or aluminium. In time the hardware can become loose. A door or window that won't open can be a hassle.

The cost of replacing a double-glazed window can be high. Window repair companies charge between $50 and $80 an hour to take out and replace the old window. The exact cost will depend on the size, shape and thickness of the window as well as the design and quality of the frame and sash. The cost will also be affected by the window's type, double or single hung, or sliding. Repairing windows that are larger or require roof access could be more costly as the technician will require additional safety measures and tools.

When a double glazing window is repaired the installer will clean the surface of the new pane before sealing it. The installer will apply silicone around the edge to ensure that the seal is watertight. This is particularly important for windows that are located on the ground of a building, since condensation can build up within the frame's bottom.

A good way to maintain the appearance of your windows is to paint them with a high-quality paint. This will keep them looking new and shiny for longer and protect them from UV radiation. Double-glazed windows can also 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. Glass that is damaged

A double glazed window is intended to provide insulation to your home and keep cold air out and warm air in. This decreases the amount of sun that comes into a room and helps protect your furnishings from sun damage. But sometimes, glass can get broken. A pebble might bounce off a lawnmower or a strimmer and breaks the pane. Or maybe a kid throws a ball at it or an accident happens. Whatever the reason an unbroken window could cause a lot of inconvenience.

A cracked pane is often repaired with epoxy, or a product similar. It is important to clean the area and remove any old putty that is surrounding it prior to applying new epoxy. You can do this using a cotton rag soaked in linseed oil, or a heat gun to soften and loosen the putty. You can then scrape away the splintered pieces of glass and then chisel the edges to remove the old putty.

Apply the epoxy to the crack and spread it across the entire surface. Press it down firmly, pressing it into the crack. Let the epoxy completely dry before you can put in the replacement pane. Make sure the replacement is of the same size to the original. If you are replacing a lead glass panel, be sure to bend the lead in an H-shaped shape back over it.

If you are not comfortable performing these DIY repairs, or if the damage to your windows is extensive and beyond repair, then it is recommended to seek out professional assistance. Checkatrade makes it easy to find a reliable and skilled tradesperson. Enter your postcode along with the details of the project and you will be connected within a few minutes with local experts.