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How to Repair Double Glazing

Double-glazed windows are strong and secure, but they will wear out with time. Double glazing that needs repair is identified by the sensation of draught between windows or condensation.

The seal that holds the glass panes in place usually has been damaged. Resealing is a solution to this.

Seals

Seals are an essential component of double glazing because they boost the efficiency of energy and insulation of the windows. They are located between the glass panes and uPVC frames, they create an airtight, vital barrier that helps to keep out the elements of wind, rain drafts, condensation, and drafts which can cause damp walls and windowsills. Additionally, the window seals help to keep warm air in and cold air out, which can drastically reduce heating bills.

It is not uncommon for window seals to develop defects. This is typically due to exposure to extreme weather conditions and elements like high winds, rain and snow. It can also be caused by improper installation or chemicals like paint strippers which damage the rubber.

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

It's possible to carry out some DIY double glazed window seal repairs if you know what to look for. However, it's generally recommended to hire a professional window repair company to do the work. They can repair windows to improve their energy efficiency and insulation properties, and also remove any unsightly condensation between the glass panes.

Many double-glazed windows are covered by a warranty which means that they can be replaced or repaired without cost to the homeowner. It's a good idea to check the warranty documentation that was included with your double glazing or calling the company you bought it from to determine whether they are able to provide any assistance. It's also worth checking your home insurance policy to be sure you're covered for any issues with double-glazing. If you're covered, it's worth ensuring that you file your claim as soon as possible to avoid unnecessary expenses. You can also check the local authority's Building Control department for further advice and support.

Glass

Double glazing isn't impervious to damage and problems can develop. The most common issue is misting. This happens when the seal breaks between two panes, and moisture accumulates. Fortunately, misted double glass is repairable without the cost of replacing the entire window. It is possible to fix it by removing the damaged glass, blowing air into the gap and forming a seal.

Glass can be used to create double glazed windows in various shapes and sizes. Some are plain, like mirrors or safety glass, which is tempered to improve its strength and safety properties. Other kinds of glass are coated to improve their properties. This can include solar control glass which reduces glare and stops heat transfer; extra-clean glass that is self-cleaning and stain-resistant; and the chromogenic glass, which alters transparency based on temperature.

Certain manufacturers also produce high-efficiency double glazed units. They use insulated glass and special films that help ensure that the internal temperature stays stable, so heating and cooling systems do not have to perform as hard to keep the temperature at a comfortable level within your home.

In most cases, they are an affordable alternative to replacement windows and offer huge energy savings. These units should be maintained correctly since they may lose their effectiveness in time.

The most important thing is to get in touch with the company you purchased your double glazing from immediately you spot a problem. Contact them by phone, and then follow up by sending an email or a letter. You'll have proof of contacting them and agreeing to correct the issue. This is crucial for claiming any warranties you have. Many companies offer 10 or 20-year warranties, and some give lifetime warranties.

Frame

The frames that hold the double glazing are constructed out of plastic and wood that can be damaged in various ways. Fragments that are damaged could let cold air into your home, which could increase your heating bills. Frames can also be damaged, warped, or discoloured as time passes. They may need to be replaced or at least cleaned and sanded down to make them look better.

If you're having trouble with the frames of your windows, it is recommended to contact a glazier for help as they have the skills and equipment required to perform this type of repair. It is possible to do some repairs yourself, but it is generally much quicker and less expensive to seek professional assistance. Employing a professional glazier to do the job will ensure that the work is done correctly and you can claim back any expenses.

One of the most common signs that your double glazing is in need of repair is the appearance of condensation in between the glass panes. This is usually a sign that the seal has failed and allows air to circulate between the panes. This results in the water level dropping and it can make your room feel draughty. This issue should be addressed as quickly as possible to avoid any future issues.

If the window isn't damaged or cracked, it may not be required to replace it. The frame might be in good condition, repairs so it is more economical to replace the glass inside the window.

Many companies will offer a 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 attempt to convince people to buy more expensive repairs than they really need. It is essential to know exactly what you want, how much you need to pay and the reason for it. This will allow you to identify sales tactics that are high-pressure.

You should have your double-glazing examined every couple of years to ensure that they are in good working order and to avoid issues. If you do need repairs it is recommended to contact a reputable company for an estimate as they have the knowledge and experience needed to resolve your issues quickly and effectively.

Locks

A reputable tradesperson will install the lock on your window regardless of whether you're installing new windows or repairing double glazing. In the course of quoting the installer will discuss the various locking options available and the one that best fits your needs and local crime rate. A popular option is an Espagnolette system, which is comprised of bolts with a mushroom-shaped head that fit behind locking points on the frame. They are usually used on uPVC but they can be added to aluminium and wood.

Other locks are designed to limit the number of times opening windows. If yours is a casement-style window, you might want to consider installing a Canzak Window Restriction Cable, which works like an a chain lock for a door and can be secured on either side of the opening to stop it from opening too far. It is also easy to install and is among the only locks that work with casements.

For windows with sash windows with hinges, a hinged wedge lock is a quick solution to stop the lower sash from lifting enough to let an intruder inside. Cut a piece of wood to the length of the channel that is used to operate the lower sash. Fit it in and secure it to the wall.

You could also add a keyed lock to your sash or casement windows. They are more durable than latch locks and are often paired with them to ensure that windows are secure. They are on the sides of windows and can be used on both double and single-hung windows as well as sliding ones.

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

It is also important to ensure whether your double glazing installer is accredited by a recognized trade body, such as Checkatrade to ensure they have the experience and know-how to complete high-quality work and comply with their standards.