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15 Funny People Working In Secondary Glazing Sash Windows In Secondary Glazing Sash Windows
Secondary Glazing For Sash Windows

Many homeowners aren't able to install double glazing to their homes due to financial constraints or due to the fact that the building is listed and any exterior modifications are prohibited.

Secondary glazing is a fantastic alternative to sash windows and can be installed in a variety of ways.

It's an additional glass pane inside the existing window frame which prevents cold air from entering your home, while offering insulation and noise reduction.

Fixed Inserts

If you're thinking of secondary glazing for your sash windows, there are a variety of styles to pick from. Each comes with its own set of benefits, from improved security to reduced condensation. Which one is the best option for you?

The principle behind secondary glazing is to install an additional glass pane inside your existing window frame. This adds an additional layer of soundproofing and insulation, which can greatly improve your home's energy efficiency.

It's not always practical to add double-glazed windows, particularly if you live in classified as a historic property or you are bound by strict planning regulations that dictate what can and cannot be done to your exterior.

In these cases secondary glazing is a fantastic alternative that can be installed easily. It's a popular option for those who want to renovate their old home without the need to replace the original sash window with an updated version.

There are a variety of different systems available for secondary glazing sash windows, each one of that can be adapted to fit the frame you have. Proprietary systems are usually made of painted aluminium frames that fit into the existing depth of the staff bead on windows with sash. This allows shutters and sills to remain.

They can be fitted with a variety of installation methods, including glazing clips and Velcro. These types of units look more attractive than screw-fixed units and are best suited for windows that do not require to be opened frequently. You can also select an unfixed lift-out unit that can be easily lifted out and reinstalled to open your windows.

Horizontal Sliders

Horizontal Sliders provide excellent thermal insulation and are the most popular option for enhancing existing windows with sash. They are also quiet and suitable for older homes or conservation areas as well as listed properties. In the majority of cases, they can be installed without access from outside because they are operated from inside.

They are simple to operate by hand and can be open wide or left partially open to allow for ventilation. They are very effective at getting rid of draughts, and they also have the benefit of removing harmful UV light. They can be used in conjunction with a flyscreen to keep out mosquitoes and other insects during summer months.

Our Trackglaze horizontal sliding systems offer all the advantages of modern double glazing for your classic sash windows. It consists of PVC double sliding tracks on the four sides of the cavity with an easy bristle seal around each glass sheet and angle handles that can be pulled by fingers to act as a handle and decrease bowing. It comes in kits with 1m or 2m of track and angle that can be put together to create bigger spans.

The acoustic benefits of second glazing are very important and can reduce noise from outside especially the airport, rail and road traffic. The addition of laminated glass or toughened glasses enhances the acoustic performance. Secondary glazing that is standard can reduce outside noise by 52dB(Rw) and specialist glass like Stadip Silence Laminated Acoustic Glass can achieve even higher levels of acoustic performance.

It can improve the energy efficiency of your house by keeping it warmer longer. upvc sash repairmywindowsanddoors.co.uk will reduce your reliance on central heat. It is much cheaper than replacing your original sash windows, and can be installed in most cases without the need to take out the window or door frame.

Vertical Sliders

Secondary glazing is a cost-effective alternative that is usually more manageable than full window replacement. It's also suitable for Listed Buildings & Conservation Areas. It's the ideal option for upgrading traditional windows with sash in Suffolk & Essex with modern insulation benefits, while maintaining the traditional look of older homes.

Vertical Sliders were developed for sash window applications where regular hinged panels would not be suitable. They feature two secondary sashes that are secured to one sash over the other, within an outer frame and are supported by sturdy spring balances to allow for easy movement. The system is available as a 'face-fixed' (installed to the inside of the existing window) for increased thermal performance, or a'reveal fixed version that comes with a glass-to-glass cavity within the window's original reveal, for optimum sound quality.

You can pick from a range of stop-strips and handles to suit your preferences. They can be positioned in a closed position for extra security or propped open for ventilation on the glass's top or bottom. They can also be equipped with an insulating bristle sealing device to prevent drafts.

Imagine a vertical slider with 'Choices' secondary glazing features all the timber-like details you'd expect from an antique window treatment. It's available in a variety of colors to match your existing sash. It is almost impossible to differentiate from the original sash windows, as details like sash horns and traditional joints are included in the design. It's available in a broad variety of sizes and can accept glass up to 6.8mm to provide additional insulation against heat loss. The tilt-in option allows the individual sashes of the window to be hinged backwards on safety stays to facilitate cleaning.

Hinged Casement

The single-pane hinged secondary glazing can be fitted to windows in sash of any design including traditional and casement sash. Our hinged units can be equipped with a keylock handle and are made with multi-point locking. This combination ensures the glass panel is secured securely in place, and it pulls tight to the outer frame creating a seal designed to reduce heat loss. Hinged windows are available either top or side-hung and can also be made with double-glazed. Our double-glazed windows provide enhanced sound insulation and are available in 43dB, 47dB or 51dB.

Unlike horizontal sash windows, which have movable sashes that slide horizontally within the frame, casement windows can be opened outwards and catch breezes from different angles. They can also be opened from both the top and bottom to offer controlled airflow. For this reason, they can help improve airflow and offer an effective alternative to traditional windows made of sash.

They are used in modern homes due to their narrow "sightlines" which allow for unobstructed view, but they can also be incorporated in listed buildings since they do not require transoms and mullions. They're also a good option for areas that are difficult to access because they can be opened by the twist of the handle.

This type of window can be a problem as it may limit the use of certain window treatments. They can be difficult to clean, as they open outward. They may also require regular maintenance and care.

Lift Out Windows

Secondary glazing can be installed using a variety of ways. The cost of installation will vary according to your choice of materials, thickness, and kind of glass. Upvc frames are the most expensive, followed by aluminium and then wooden frames. Specialized glass, in addition to any extra features such as security or sound reduction may also increase prices.

Another aspect that can affect the cost is the complexity of the installation. The more complex the project is, the more time and labor will be required. This also applies to historic properties with more intricate sash windows that require specialist knowledge and expertise.


Assessing the condition of windows that are in use is a good place to start. You can get an accurate estimate of the cost by having them inspected by an expert.

In general, secondary glazing has little effect on the appearance of your home. This is thanks to the fact that modern FINEO double glazing has sleek and subtle frames, meaning you can get the most efficient thermal performance without compromising on aesthetics.

The horizontal sliding secondary glazing is a popular choice because it permits easy access to the sash window to clean or for ventilation. These are also available with a tilt feature which is activated by releasing the catch and then lifting your secondary glazing panel vertically to a specified point. This is ideal for windows that don't get opened very often. It can also be used to permit air conditioning access to bay windows. You can even make use of them to open the middle sash of a traditional sash bay window to create a more uniform look.

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