How to Repair Double Glazing

Double-glazed windows are strong and secure, however they will wear out with time. Signs that your double glazing requires repair are the feeling of draught or condensation between the window panes.

Condensation or fogging between the panes typically indicates that the seal binding the glass panes has been broken. Resealing can fix this.

Seals

The seals that are used in double glazing are an important part of the overall insulation and energy efficiency of windows. They are situated between the glass panes of uPVC frames and provide an airtight barrier that helps to keep out rain and wind drafts, condensation and drafts which can cause damp on the walls and window sills. Additionally, the window seals help to keep warm air inside and cold air out, which significantly lowers heating costs.

It is not uncommon for window seals to develop defects. This is often due to weathering and exposure to extreme elements like high winds, rain, ice and snow. However, it could also be the result of improper installation or the use of chemicals, such as paint strippers that harm the rubber.

If the window seals fail, humidity and moisture can seep into the glass panes and cause fogging or misting. It could also affect the insulation properties of the double glazing as it won't have the inert gas between the panes which assists in retaining heat.

It's possible to make some DIY double glazed window seal repair if you know what to look out for. It is recommended to hire professionals to do the work. They can seal the windows to restore their insulating and energy efficient properties and also eliminate any unattractive condensation that has accumulated between the glass panes.

Many double-glazed windows come with a warranty that means they can be replaced or repaired at no cost to the owner. It's a good idea to check the warranty paperwork that came with your double glazing or contacting the company you bought it from to see whether they are able to provide any assistance. It's also worth looking over your home insurance policy to be sure that you're covered for any problems with double Glazing Repair glazing. If you're covered, it's worth ensuring that you make your claim promptly so that you don't incur unnecessary costs. You can also contact the Building Control Department of your local authority for further advice and support.

Glass

Double glazing isn't unbreakable and problems can develop. The most common problem is misting. This happens when the seal is broken between two panes and moisture builds up. It is possible to repair misted double glazing, without having to replace the entire window. The process of repairing it involves removing the damaged pane, double glazing blowing air into the gap to eliminate any lingering moisture and creating the new seal.

Double-glazed windows are made from a selection of glass. Some of the glass is clear like mirrors or safety glass, but it is tempered for strength and safety. Other types of glass are coated to improve their properties. This includes solar control glass, which reduces glare and blocks heat transfer; extra clean glass, which is stain-resistant and self-cleaning; and chromogenic glass, which changes transparency based on temperature.

Some manufacturers also make high-efficiency double glazed units. These units utilize insulated glass and special films to stabilize the internal temperature, so that cooling and heating systems don't need to be as laborious.

In most cases, they are an affordable alternative to replacement windows, and they provide huge energy savings. However, these units do require proper maintenance due to the technologies they incorporate can wear out over time.

The most important thing to do is contact the company you bought your double glazing from when you notice a problem. Contact them by phone and then follow up by sending a letter or email. This means you'll have proof that you notified them about the problem and that you and they agreed to address the issue. This is vital in order to be able to claim any warranty you have. Many businesses offer warranties of 10 or 20 years, and some even give lifetime assurances.

Frame

The frames that hold the double glazing are constructed from materials such as plastic and wood that can be damaged in many ways. Damaged frames may let cold air into your home, which could increase your heating bills. Frames can also get warped, twisted and discoloured over time. They may require to be replaced or at least painted and sanded to restore them.

It is best to consult an expert glazier if you're experiencing issues with the frames on your windows. They have the skills and tools to repair this type of problem. It is possible to complete some repairs yourself, however it is usually faster and cheaper to get professional help. A qualified glazier will complete the job properly and you are able to claim any expenses.

One common sign that your double glazing requires repairing is condensation building up between the glass panes. This is usually a sign that the seal between the glass panes has broken and allowed air to get in. This causes the moisture to drop and make your room feel draughty. This should be repaired as soon as you can to avoid any future issues.

If the window isn't damaged or cracked it might not be required to replace it. In reality the frame itself may be in perfect condition, which is why it would be more cost-effective to replace the glass within the window.

Many companies will offer an same-day service for double glazing repairs, but it is important to know what you need before you ask for a price. It is not uncommon for sales reps to try to convince people to purchase more expensive repairs than they really need. It is a good idea to determine what you require and how much it will cost and why you need it to be able to detect a sales tactic that is high-pressure.

It is a good idea to have your double glazing examined every couple of years since they will be in good working order and help avoid issues. It is recommended to get a quote from a reputable company when you are looking to repair your double glazing. They will have the experience and knowledge to resolve your issue quickly.

Locks

If you are looking to repair double glazing or you are getting new windows installed, a reputable tradesperson must install a lock to ensure your window is secure. Your installer should discuss different locking systems available as part of the quote and what best suits your living arrangements and the local crime rate. A popular option is an Espagnolette system which has mushroom headed bolts that engage behind locking points on the frame. They are typically used on uPVC but can also be used on wood and aluminium.

Other locks are designed to limit the number of times windows can open. You might want to consider installing a Canzak Window Restriction cable to your casement window. It functions as a door chain lock that can be put on either side of the moving portion to stop it from opening too far. It's also simple to install and is one of the few types of locks that can be used on casements.

A hinged wedge lock could be used to prevent the lower window sash from being lifted enough to allow an intruder to enter. Cut a strip of wood to the width of the channel which operates the lower sash. Fit it in, and tack it to the wall and frame.

You can also install the sash lock or a casement lock. They are more durable than latch locks and are typically used in conjunction with them to ensure the security of windows. They are located on the side of a window and are used on double and single hang windows, as well as sliding windows.

Other ways to improve the security of your double-glazed windows are the addition of a shoot bolt lock. This lock is created by bolts being shot from both ends to create a very strong lock. These are usually offered as an upgrade, and are suitable for commercial and domestic use.

It is also important to ensure that your double glazing installer is accredited by a reputable trade body, such as Checkatrade to ensure that they have the experience and knowledge to complete top-quality work and meet their requirements.