Think You're Perfect For Repair Double Glazed Windows? Take This Quiz How to Repair Double Glazed Windows

Double-glazed windows are typically covered by warranties of 10 or 20 years. Be sure to check the warranty. Repairing double glazing is cheaper than replacing it, and will save you money and energy.

If your double glazing is misting it is likely that the sealant between the glass panes has failed. This happens when the windows are damaged or worn out. It could be expensive to replace.

1. Cracked or chipped glass

A chipped or cracked double-glazed window is a frequent problem that can cause condensation between the two glass panes in your home. In most cases, replacing the glass unit is required particularly in the event that one or both of the panes have been shattered. However, if the frame is still in good condition, repairing one glass pane may be a viable option.

Repairing cracks is simple and fast with masking tape or duct tap. One strip of tape ought to be sufficient to seal superficial cracks like stress fractures caused by temperature variations. For deeper cracks, such as those caused by impact, it's recommended the tape be extended across the entire length of the crack to ensure that it can hold the glass together.

Another option for a permanent solution is to utilize a solvent-based adhesive. Typically, it is applied to the outer and inner areas of the cracks, and then spread with a putty knife. This method takes longer however, it is more effective at stopping cracks from spreading.

If the cracks are serious or have occurred over a long period of time, it might be better to wait for a professional service to fix the windows since this could result in a more durable finish. If the cracks don't seem to be excessively severe and they aren't causing leaks of water, it might be best to opt for quick solutions. They will help keep the cost down.

A more permanent solution to fix a crack on double-glazed windows is applying a two-part epoxy resin to the affected area. The glass surface should be cleaned using a moist cloth, then allowed to dry completely. Mix the hardener and resin as per the directions on the packaging. Apply the mixture to the crack using the putty blade. Once the putty has dried you can paint the frame and putty to create a seamless look.

2. Water Leaks

It is possible to fix many double glazing issues without having to replace the windows. The issue is not with the aluminium or uPVC frames of windows, but rather the insulated glass unit that is placed between them.

The IGU is made up of two sheets of glass separated by a spacer. It is filled with an insulation material. It's a sort of sandwich made of glasses. The ideal situation is that the gap is airtight, and this is what helps to keep cold air out of your home, and energy from your heating system and your home warm. Unfortunately, over time and through various temperatures, the seals within the IGU will weaken and lead to leaks.

It is possible to identify water leaks by looking for water on the sill or window frame, discoloration or an unpleasant smell. It is essential to contact a professional as soon as you notice any of these signs.

If you see condensation on your double-glazed windows, it's most likely to be due to the high levels of humidity in your home. This is a typical winter phenomenon and is not caused by defective double glazing.

If you notice moisture between the glass panes of your double-glazed windows, this indicates that the IGU is not performing as well as it ought to. Moisture between the glass panes is not just unattractive, but it also decreases the effectiveness of your double glazing because it does not keep the cold out and the warmth in.

There are a few methods that this issue can be solved, but it's best to leave it to the experts. They'll drill tiny holes into the affected area of your glass unit that is insulated. They will then inject or pump in an desiccant in order to get rid of the moisture. Then, they'll apply a special anti-fogging agent to prevent the condensation from returning. They can then blow hot air into the gap in order to dry it out further.

3. Draughts

Double-glazed windows are fitted with an airtight seal in order to stop condensation from forming between the panes. However, the seal can start to fail with time. You may notice the cold breeze passing through the window or door when this happens. This can be annoying and cause a loss in energy efficiency. If your windows are draughty, it's best to book an repair service to get the seal replaced as soon as possible.

upvc window repairs glazing is a type of window that includes two glass panes within frames constructed of uPVC or aluminum. The primary element of a double-glazed window is referred to as an IGU, or insulated glass unit (IGU) which is composed of two glass sheets separated by an air gap filled with an insulating gas. This creates a 'sandwich of glass' effect that keeps your home warm and peaceful.

It's not common for modern double-glazed windows to break or be damaged however it is still essential to take care of them as they are an investment in your property. If you notice that your double glazed windows are becoming difficult to open or close, it might be a problem with the hinges or mechanisms, that can be easily fixed by a UPVC window specialist.

If you notice that furniture closer to your double glazed windows is becoming discoloured or damaged, it could be due to the ultraviolet rays of the sun. Double-glazed windows reduce the amount of sunlight that can reach your property and protect your belongings and make your home much more comfortable.


It is also worth looking into the warranty included with your double-glazed windows, as it is sometimes possible to get your IGUs repaired or replaced as per the guarantee. You can avoid the cost of replacing your windows, and get the most out of your investment. This is especially the case when the problem is caused by a single broken or misty pane, or extensive decay of the frames. It is important to talk to a UPVC expert to know what can and cannot be fixed, before proceeding with any repairs or replacements.

4. Haze

Double-glazed windows are more prone to fog. It is caused by moisture trapped between the two panes of glass typically due to a leaky seal. It can be difficult to eliminate haze, no matter if it is caused by condensation or a problem with the frame of the window. However, it is possible to fix double-glazed windows that have a mist without replacing them.

One way to resolve the issue is to make use of a dehumidifier, or desiccant packets. If you're dealing with a serious or long-term problem it is recommended to speak with an expert.

Although they are extremely durable frames made of uPVC can weaken over time, especially in the case of a particularly cold or warm day. This is normal, but it can result in problems such as the stiff or stuck door or window. Hiring a UPVC specialist is usually the easiest way to fix these issues.

Some businesses will drill a hole into the window and insert desiccants to draw out any moisture. This is a good solution and is cheaper than replacement. It is important to note, however, that the hole has to be filled again after six month and the moisture could return if the seal breaks somewhere in the window.

Another method to fix the problem of haze is to eliminate it by using a vinegar and water mixture or a commercial product designed to address this issue. This is a more complex process than simply drilling holes into the window and then inserting the desiccant, but it can be successful and doesn't require any replacement.

Double-glazed windows are a great way to keep heat in your home, and make it more energy-efficient. However, they need to be maintained. If you're experiencing any of the issues mentioned above, it's worth seeking help from a professional with repairs to double glazing in Essex. They'll be able to ensure that your windows are maintained, and they can also replace hinges, handles, or locks for you when needed.