How to Repair Double Glazed Windows
If your double-glazed window is noisy or difficult to open, or has sagged or dropped it could need to be repaired. Tradesmen with the right qualifications are able to repair or replace hinges mechanisms, handles, and seals.
You can complete some repairs on your own, but it will take longer than hiring a professional do it. It is also less dangerous.
1. Broken Panes
Double pane windows make use of the space between the two panes to create an airtight seal. This allows the heat inside and the cold out. However, this seal may be compromised by a physical force or exposure to extreme temperatures. It is important to fix cracks in double pane windows when they first appear. A small crack can worsen over time and result in a broken window.
If you've broken a pane, it's recommended to call in a professional. They will be able to find you a replacement that is compatible with your frame. Then, they'll install the new pane and make sure it is secure. It is also essential to take out all old putty and metal glazing points prior to putting in a new window.
This can be a difficult job, so it's best to wear gloves and eye protection. To remove the old putty, you can use a paint scraper with the pull-type or an old chisel. You can use a heating gun to soften the putty and stop it from cracking. Once all the putty is removed, you'll need clean and sand the areas where the new glass will go. Then, you can apply an adhesive made of silicone to ensure it will be robust.
You should order a new window pane from your local hardware or home improvement store. Find the width and height to determine the size window you need for your home. Be sure to subtract 1/8 inch from all sides so that you can get the exact measurements required to make a replacement window. You may end having windows that don't fit correctly and expose your home to the elements.
2. Condensation
Many owners of double glazing will have condensation issues at some point during the lifespan of their windows. Usually, this is caused by a lack of air circulation in rooms or humidity issues, which causes windows that are cold to attract moisture from warm air. This is a particular issue in bathrooms, where excess steam will travel through your window and evaporate to form condensation on the glass's surface.
The moisture in the air can cause heat loss from your home, which could increase your energy bills. If left for too long this condensation may result in mould and damp in your home, which could require professional intervention.
Open your windows each day in the morning, unless it's extremely cold. You should also leave your vents for trickle ventilation open while you're out. You can also install dehumidifiers in your home to absorb excess water and to prevent it from forming on surfaces such as your double glazing.
In more serious situations, you may have to replace your double glazed windows completely if the seal between the two panes is been damaged. This is a costly repair, however it will make your home or building energy efficient and warm. If you've had double glazing installed, check to see if they're still covered by warranty, since this means that the window units will be replaced at no cost by the installers. Avoid DIY solutions for condensation since this could invalidate your warranty.
3. Leaks
If you see drops of water or a mist appear between your double glazing panes, it could be a sign that the seals are not working correctly. This doesn't necessarily mean that you should replace the window. It can be fixed by simply replacing the caulking.
A common cause for this problem is due to the fluctuating temperatures that cause the frames of double-glazed doors and windows to expand and contract. This can lead to gaps appearing around the frame, which in time, can cause drafts and allow water to seep into the home.
Another reason is that, over time, the gas used to insulate the window may become dislodged, and this could result in a draft and let moisture in the home. If your double-glazed windows are a challenge to open and close cleaning them with cold water may temporarily fix the issue until the weather warms.
In most cases, double glazed doors and windows be covered by a guarantee from the company that installed them. If you encounter any issues with double glazing covered by this guarantee, contact them as soon a possible. Ideally, this should be handled by telephone or in person, and followed by a letter stating the nature of the issue and the date you first noticed them. This will avoid confusion in the future, if there is a dispute over what has or hasn't been covered under your guarantee. It will also ensure that your complaint is taken seriously by the company that performed the work. If you have not received a satisfactory answer from the company who provided you with the double glazing, it could be worth looking for an alternative tradesman approved by Checkatrade.
4. Hardware Damaged
Double-glazed windows comprise two glass panes separated by spacer bars and gaps filled with gas that is insulating. It is encased in frames constructed of aluminium or uPVC. Over time the hardware will be loose, and a door or window that isn't opening can be annoying.
If a double-glazed window is broken the costs of replacing it can add up. Window repair companies charge $50-$80 an hour to take out and replace the old window. The exact price will depend on the size, shape and thickness of the window, as well as the design and quality of the frame and the sash. The cost of the repair will also depend on whether the window is double-hung or single-hung. Repairing windows that are taller or require roof access could be more expensive because the technician will require extra safety precautions and tools.
When a double glazing window is repaired, the installer will clean the surface of the new pane before sealing it. They will then apply a layer of silicone around the edges to ensure that the seal is water-tight. This is especially crucial for windows located on the ground floor of a building, where condensation can form in the frame's bottom.
Another way to keep your windows looking nice is to paint them regularly with the highest quality paint. This will prevent them from fading due to UV radiation and will keep them looking shiny and new for longer. Double-glazed windows can also make your home quieter and boost its value when sold by making it more energy efficient and comfortable for buyers to live in.
5. Glass that is damaged
Double-glazed windows are supposed to insulate your home by keeping cold air out and let warm air in. This helps reduce the amount of sun that enters a space and also helps protect your furniture from sun damage. But sometimes, glass can get broken. Maybe a pebble ricochets off a lawnmower or strimmer and breaks the pane. Perhaps a child throws a ball against it or a collision occurs. A window that is broken is an inconvenience.
Often, a cracked pane can be repaired with epoxy or another similar product. It is crucial to wash the area and remove any old putty that is around it before applying the new epoxy. You can do this by using a cotton rag that has been soaked in linseed oil, or the heat gun to soften and loosen the putty. You can then scrape away the splintered pieces of glass and then chisel the edges to eliminate the old putty.
Apply glazier near me to the crack and spread it across the entire surface. Press it firmly, working it into the crack. Let the epoxy dry completely before you put in the replacement pane. Be sure that the replacement pane is the same size as the original. If you are replacing leaded glass then gently bend the H shape lead back over it.
If you aren't comfortable working on DIY repairs to your windows or if your windows are damaged beyond repair, it is best to hire an expert. Checkatrade makes it simple to locate a trustworthy and skilled tradesperson. Simply enter your postal code and the details of your job and you'll be matched with local experts in a matter of minutes.