How to Repair Double Glazing

Double-glazed windows are strong and secure, but they will wear out with time. Signs that your double-glazed window is in need of repair include an odor of draught, or condensation in between the window panes.

Fogging or condensation between the panes usually means that the seal that holds the glass panes together has been broken. Resealing can fix this.

Seals

Seals are an essential part of double glazing as they boost the energy efficiency and insulation of the windows. They are situated between the glass panes of uPVC frames and create an airtight seal that helps to keep out rain and wind as well as condensation and drafts that can cause damp on walls and window sills. Window seals also help to keep cold and warm air separate, which can lower heating costs.

Unfortunately, it's not uncommon for window seals fail. This is often due to weathering and exposure to extreme elements like high winds, rain, ice and snow. It could also be caused by faulty installation or chemicals like paint strippers, which harm the rubber.

When the window seals fail it can mean that humidity and moisture may seep through the glass panes, causing fogging or misting of windows. Double glazing can lose its insulation properties when the inert gases that are between the panes is no longer present.

If you know what to watch for, you can try to perform some DIY double-glazed window seal repair. However, it's always better to call an expert window repair service to do the work. They can repair the windows to restore their insulation and energy efficient properties and also remove any unattractive condensation that has accumulated between the glass panes.

Many double glazed windows are covered by a warranty which means they can be repaired or replaced at no cost to the homeowner. It's a good idea to check the warranty documents that came with your double glazing or calling the company you bought it from to determine if they can offer any assistance. Check your home insurance policy for coverage in case of double glazing problems. If you do have cover it's important to ensure that you file your claim promptly in order to avoid any unnecessary costs. You can also contact your local authority's Building Control department for further guidance and assistance.

Glass

Double glazing isn't impervious to damage, and problems with it can arise. The most common issue is misting. It happens when the seal between two panes breaks down and moisture builds up. Fortunately, misted double glass can be repaired without the cost of replacing the entire window. It is possible to fix it by removing the affected glass, blowing air in the gap, and then creating the seal.

Glass can be used to create double-glazed windows in different shapes and sizes. Some glass is clear like mirrors or safety, however it is tempered to ensure security and strength. Certain types of glass have coatings applied to enhance their properties. This includes solar control glass which reduces glare and stops heat transfer; extra-clean glass that is stain-resistant and self-cleaning; and chromogenic glass that changes transparency depending on the temperature.

Some manufacturers also offer high-efficiency double-glazed units. These units utilize insulated glass and special films to regulate the internal temperature, so that cooling and heating systems do not need to be as laborious.

They are usually cheaper than replacing windows, and they can save you a lot of energy. However, these units do require proper maintenance due to the technologies they utilize can wear out over time.

The most important thing is to contact the company that you bought your double glazing from as soon as you notice problems. Contact them via phone, and then follow up with an email or letter. This means you'll have proof that you've informed them of the issue and that you and the company agreed to address the issue. If you wish to claim any warranty it is essential to do this. Many businesses provide warranties of 10 or 20 years, and some offer lifetime warranties.

Frame

The frames that hold the double glazing repairs glazing are constructed of materials like plastic and wood, which can be damaged in various ways. Damaged frames can allow cold air to penetrate your home which will increase the cost of heating. Frames can also be damaged, warped, or discoloured as time passes. They may need to be replaced or at a minimum sanded down and repainted to restore them.

It is best to consult a glazier if you are having issues with the frames of your windows. They have the skills and tools to repair this kind of issue. It is possible to do some repairing yourself but it is usually faster and more cost-effective to seek out professional assistance. Employing a professional glazier to finish the job will ensure that the repair is done properly and that you are able to claim back any expenses.

One common sign that your double glazing needs repair is the build-up of condensation in between the glass panes. This usually indicates that the seal between the glass panes has failed and allowed air to get in. This causes the moisture to decrease and it can make your room feel draughty. It is best to get this fixed as soon as possible to avoid further problems.

It is not always necessary to replace the entire window as long as it's not damaged or cracked. In reality the frame could be in perfect condition, which is why it's more economical to replace the glass unit inside the window.

Many companies will provide an same-day service for double glazing repairs however, it is essential to know what you require before you ask for a price. Sales reps are known to try and convince people to buy more expensive repairs than they actually need. It is important to understand exactly what you are looking for, what you should pay and why. This will allow you to identify sales tactics that are high-pressure.

It is recommended to have your double-glazing examined every couple of years to ensure they are in good working order and to prevent problems. If you require repairs, it is recommended to contact a reputable company for an estimate as they have the knowledge and experience needed to solve your issues quickly and effectively.

Locks

A reputable tradesperson will install a lock on your window, whether you are installing new windows or fixing double glazing. As part of your quote your installer should go over the various locking options available and which one best suits your needs and local crime rate. A popular option is an Espagnolette system which has bolts with a mushroom head that are positioned behind locking points on the frame. They are commonly fitted into uPVC doors and windows, but they can also be incorporated into aluminum and timber.

Other locks are designed to limit the amount windows can open. Consider installing a Canzak Window Restriction cable in your casement window. It functions as a door chain lock that can be fitted either on either side of the moving part to stop it from opening up too much. It is also simple to install and one of the few locks that work with casements.

For sash windows with hinges, a hinged wedge lock is a simple solution to stop the lower sash from rising enough to let an intruder enter. Cut a piece of wood to the width of the channel which operates the lower sash. Fit it in, and secure it to the wall and frame.

You can also add keys to your casement or sash window. They are stronger than latch locks, and are often used in conjunction with them to secure windows. They are usually located on the side of a window and are used on double and single hung windows, as well sliding windows.

There are other ways to make your double-glazed windows more secure including adding a shoot bolt locking system that includes bolts that shoot from both sides of the frame to create a strong lock. They are usually available as an upgrade and are suitable for domestic and commercial use.

You should also check whether your double glazing installer is accredited by a recognized trade body, such as Checkatrade to ensure they have the experience and expertise to carry out top-quality work and meet their standards.