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What Is Secondary Glazing?

Secondary glazing is a great method to increase the efficiency of thermal energy and reduce noise in single-glazed windows that are already in use. In contrast to replacement primary windows, it doesn't require the removal of frames from the existing ones and is more suitable to the period homes.

A good company will be able to provide after-installation support. They might even call you a few weeks later to see how things are going. They should also be FENSA accredited and offer an assurance on their products.

Improved thermal efficiency

By adding secondary glazing to existing windows can cut down on the loss of heat and also eliminate draughts. It also makes the home more comfortable and quieter. However, it is important to know that this type of solution isn't a substitute for double or triple glazing, and can only provide an improvement in energy efficiency.

Glass is not the best insulation. However, a layer of argon or air between two panes can aid in reducing condensation and slowing down the transfer of heat from warm to cool. A layer of insulation between the two glass panes in a double-glazed window will block cold air from getting into your home and will keep warm air within your property.

There are many different systems, some of which can be installed using a DIY kit and others require professional installation. There are systems that fit sliding sash window frames as well as other frames that are already in place. Some slide open and close while others are fixed to the wall.

The most cost-effective kind of secondary glazing is the 'lift out' system that is installed inside the existing window and lifts out of a secured channel. It is suitable for sash windows or where access to the primary window is restricted, such as in the conservation or listed building area.

Certain types of glass offer greater insulation than others, based on the type of glass and the gap between the primary window and the secondary window. The greater the gap between the two panes of glass the more efficient the thermal performance will be.

In certain situations, the secondary glazing may improve the thermal efficiency of a house to the point where it matches the level of insulation offered by modern double or even triple glazed windows. This is especially true in older properties where planning restrictions restrict the type of replacement windows that can be used. In these situations, secondary glazing may be the most cost-effective method to insulate the frames of sash windows that were previously in use.

Reduced noise

Windows allow a significant amount of noise into homes. This is particularly a problem for those who live close to railway tracks or flight paths. In these instances, upgrading to new double-glazed windows can greatly reduce the impact of sound from outside on a house. However many people do not want to or can afford to replace all their windows and this is where secondary glazing comes into play. It involves the installation of an additional window within a property's existing frame. upvc door repairs near me ' provides an extra (sealed) barrier that will help to insulate the home from cold temperatures but also from outside noise.

Noise pollution is an issue that can be detrimental to health for a long time if not taken care of. Ecoease has a low-cost option to cut down on the amount of noise from outside that can enter your home. Our secondary double glazing near me is a fantastic alternative for those who want to reduce noise pollution without spending the money to replace all their windows.

The main benefit of secondary glazing is that it provides an additional barrier between your home and the outside world, significantly reducing noise pollution. This is accomplished by putting an additional frame and pane within the window itself at a gap of around 100mm. The secondary window is able to be closed and opened for ventilation, which is not the case with the primary window.

This barrier can also help to protect the room from cold air that would otherwise escape through the original window and down the wall. This helps to keep the room warm and also reduces energy costs.

The secondary glazing helps to reduce the noise of traffic and other activities. The extra barrier between your home and the outside world can be an enormous comfort factor and can add value to your everyday life.

The system can be installed on any type of window including awnings, sliding sash windows with vertical sash, and sliding doors. It can be fitted to individual windows or multiple windows in a home and is a much cheaper option than replacing all your existing windows. It also helps keep the appearance of your house and offer an ideal solution for listed properties where changing windows could alter their appearance.

Security boosted

Many people think that double glazing is an expensive option, but this isn't always the case. Secondary glazing is actually less expensive than you think, particularly if you consider its effectiveness as a security measure. In addition to offering insulation, it also functions as a second barrier that is difficult for any burglar to get into. Installing secondary glazing is more secure than replacing existing windows, which can be difficult in some instances and require permission to plan.

Secondary glazing is designed to fit within your window frames that are already in place unlike windows that can be adapted to fit any type of home. It's a simple solution that has many advantages, including lower costs for energy and improved comfort. It can also increase the security of your property by making it less noisy.

If you are in search of secondary glazing near me, it is important to consider the quality of the products and the service provided by the installers. Be sure to inquire about their insurance documents, accreditations and warranties. It is also important to take into consideration how long the company has been in business. A reputable company will ensure that the work is done correctly and efficiently.

Secondary glazing offers the main benefit of reducing heat loss and improving the soundproofing of draughts by creating an additional window behind the existing windows. This second pane is an insulating layer that decreases the loss of heat and reduces noise intrusion. It is also a cost-effective option to upgrade your windows without needing to replace them completely.

If you have single-glazed windows in your old house, you are probably spending much on heating and cooling. Glass is a great conductor of heat. This means that you're losing your electricity or hot water through your windows when you're trying stay warm in winter.

The investment in secondary glazing is the most effective solution to this issue. This type of window treatment is much cheaper than installing a new window unit and will offer numerous advantages, including improved insulation, less energy bills and greater security. You can choose from a range of styles that include hinged units or secondary glazing that lifts out.

Improved appearance

Many homeowners are concerned about the effect of replacing their windows on the appearance of their house. Installing secondary glazing can provide the same thermal efficiency as double glazing without altering the appearance. The process of installing it is a much simpler affair than replacing the windows from the beginning and can be completed faster, too.

The process involves an independent frame and pane, which are placed on the inside of the existing window, typically leaving a gap of approximately 100mm between them. The seals made of rubber also help to separate the room from the window, thus reducing the transmission of sound. It can also be used to increase the insulation value of buildings from the past in areas where planning restrictions restrict the use of modern double-glazed units, like in listed or conservation areas.

There are many different styles of secondary glass to meet your needs. They range from systems that can open like a window to those that are fixed to frames for sash. Some are designed to be as subtle as possible, with frames that are hidden from view and are unobtrusive inside. These are great when regular ventilation is required because opening the sash can pose an health and safety risk.

Certain companies offer permanent aluminium secondary glass that can be put on the outside of your windows, providing greater energy efficiency and an updated look. This is a great option for historic or listed buildings. It is also cost-effective if you are in a financial crunch. You can pick the woodgrain or colour to match your home's style to look like it's been there for a long time.


Whatever type of secondary glazing you decide to choose, it is important to find a company that has experience of working in your particular type of building and a good reputation for customer service. It is also worth looking over online reviews and asking for suggestions from your friends and family. Check if the business is registered with professional associations like the Glass and Glazing Federation.