How to Repair Double Glazing

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

Condensation or fogging between the panes typically indicates that the seal that holds the glass panes together has deteriorated. This can be fixed with a reseal.

Seals

The seals used in double glazing are an essential part of the overall insulation and energy efficiency of the windows. They are located between the glass panes and uPVC frames, they provide an airtight, vital barrier that helps to keep out rain, wind drafts, condensation, and drafts that can lead to damp on walls and windowsills. Window seals also help keep cold and warm air separate, which can reduce heating costs.

Unfortunately, it's not uncommon for window seals to fail. This is typically due to exposure to extreme weather conditions and harsh elements like high winds, rain and snow. However, it can also be due to incorrect installation or the use of chemicals such as paint strippers, which can damage the rubber.

If the window seals fail, humidity and moisture can seep into the glass panes and cause misting or fogging. Double glazing may lose its insulation properties when the inert gases that are between the panes is no longer present.

If you know what to look out for, it's possible to do some DIY double-glazed window seal repair. However, it's always recommended to hire a professional window repair company to complete the task. They can reseal windows in order to increase their energy efficiency and insulation qualities, and remove any unsightly condensation between the glass panes.

Double-glazed windows often have a warranty which means that they can be replaced or repaired at no cost to the homeowner. Review the warranty documents that came with your double glazing, or contact the company where you purchased it to determine whether there is any assistance available. Review your insurance policy for your home for coverage in the event of double glazing problems. If you do have cover it's worth ensuring that your claim is made 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 with it can develop. The most common issue is misting. This happens when the seal cracks between two panes, and moisture accumulates. It is possible to fix misted double glazing, without having to replace the entire window. It is possible to repair it by removing the affected glass, blowing air through the gap and forming the seal.

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

Certain manufacturers also produce high-efficiency double glazed units. These use insulated glass with special films that help ensure that the internal temperature stays stable, so heating and cooling systems aren't required to perform as hard to keep the temperature at a comfortable level in your home.

They are typically cheaper than replacing windows, and they could save you a lot of energy. These units must be maintained in a timely manner, as they can lose their effectiveness as time passes.

As soon as you discover problems, it's important to contact the company which sold you the double glazing. Contact them by phone, then follow up with a written letter or email. You'll have proof of notifying them and agreeing to correct the problem. If you're looking to claim any warranty it is essential to do this. Many businesses provide guarantees of 10 or 20 years, and some give lifetime assurances.

Frame

The frames that support the double glazing are made from materials such as plastic and wood that can be damaged in various ways. Damaged frames can allow cold air to penetrate your home, which will drive up your heating bills. Over time, frames may be twisted and warped. They might need to be replaced or at the very least cleaned and sanded down to make them look better.

If you're having trouble with the frames of your windows, it is best to call a glazier for help as they have the skills and tools required to carry out this type of repair. It is possible to complete some repairing yourself but it is usually quicker and more cost-effective to seek out professional help. A qualified glazier who is trained to complete the work will ensure that the repair is done correctly and that you can claim back any expenses.

Condensation between the panes of glass is a typical sign that double glazing requires repair. This usually means that the seal has failed and allowing air to flow between the panes. This could cause the moisture to fall, making your space feel cold and stale. It is a good idea to fix this as soon as you can to avoid recurring problems.

It is not always necessary to replace the whole window as long as it isn't broken or cracked. In fact the frame could be in excellent condition, so it would be more cost effective to simply replace the glass unit within the window.

Many companies offer an same-day service for double glazing repairs, but it is important to understand what you require before requesting a quote. Sales representatives are known to try and convince people to buy more expensive repairs than they actually require. It is a good idea to understand what you require and how much it will cost and why you need it so that you can spot a high-pressure sales technique.

Double-glazing should be checked every few years to make sure they are in good working condition and to avoid issues. If you require repairs, it is best to get in touch with a reputable business for Double glazing repairs a quote as they will have the experience and knowledge required to resolve your problems quickly and effectively.

Locks

A reputable tradesperson will install the lock on your window regardless of whether you are installing new windows or fixing double glazing. As part of your quote the installer will discuss the various locking options available and which one best suits your needs and local crime rate. A popular option is an Espagnolette system that has bolts with a mushroom-shaped head that fit behind locking points on the frame. They are typically used on upvc door repairs near me but they can also be used on wood and aluminium.

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

For windows with sash windows, a hinged wedge lock is an easy solution to prevent the lower sash from lowering enough to allow an intruder inside. Cut a piece of wood to the length of the channel which operates the lower sash. Insert it into the frame, and then affix it to the wall and frame.

You can also put in an sash or a casement lock. These are more robust than latch locks and are typically paired with them to ensure that windows are secure. They are situated on the sides of windows and are used on both double and single-hung windows and sliding ones too.

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

You should also check whether your double glazing installer is accredited by a reputable trade body, such as Checkatrade, to ensure they have the expertise and knowledge to complete top-quality work and meet their requirements.