The Next Big Thing In Secondary Glazing Sash Windows Secondary Glazing For Sash Windows

Many homeowners are unable to add new double glazing to their homes, either because of financial constraints or because they reside in listed buildings that prohibit any exterior changes.

Secondary glazing for windows made of sash is an excellent alternative that can be put in in various ways.

This is a double-paned window that fits into your existing window frame. It offers insulation and noise reduction, in addition to blocking cold air from entering the home.

Fixed Inserts

If you're considering secondary glazing for your sash windows there are a variety of styles to choose from. Each has its own set of advantages, from increased security to lower condensation. Which is the most effective choice for you?

The principle behind secondary glazing is to incorporate an additional glass inside the window frame. This provides an additional layer of insulation and noiseproofing to your home, enhancing its energy efficiency.

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

In these cases secondary glazing is an excellent alternative that can be put in easily. It's also a popular choice for those looking to upgrade their home without having to take down the original sash windows and replace them with modern ones.

There are a variety of different options for secondary glazing sash windows, each of which is configurable to suit the frame you have. Proprietary systems typically have painted aluminium frames that are designed to fit within the depth of a staff bead an existing sash window, so that shutters and sills can still be retained.

They can be equipped with a variety of installation methods, including glazing clips and Velcro. These are more appealing than screw-fixed ones and are ideal for windows that don't need to be opened frequently. You can also choose a fixed lift-out unit that can be easily lifted out and reinstalled to open your windows.

Horizontal Sliders

Horizontal sliders are the most sought-after method of enhancing the appearance of a windows. sash window repairs near me are also discreet and are ideal for historic homes or conservation areas as well as listed properties. In the majority of instances, they can be installed without having access to the outside since they are operated from inside.

They are simple to operate using a hand, and can be open wide or left partially open for ventilation. They are very effective in stopping draughts and also have the added benefit of removing harmful UV light. In summer, they can be used with a flyscreen in order to keep out insects and mosquitoes.

Our Trackglaze horizontal sliding system offers all the benefits of modern double glazing to your traditional Sash windows. It is comprised of PVC double sliding track that runs across all four sides of the cavity, a simple brush seal around each sheet of glass and finger pull angle handle to act as a hand, reducing bowing. It is available in kits with 1m or 2m of track and angle that can be put together to create larger spans.

Secondary glazing can have a significant effect on noise reduction, particularly for road, rail and airport traffic. The addition of toughened or laminated glass further enhances the acoustic quality. Secondary glazing is a standard feature that can reduce outside noise to 52dB(Rw) and specialized glass such as Stadip Silence Laminated Acoustic Glass can provide even greater levels of acoustic performance.

It can increase the efficiency of your home by keeping it warmer for longer and reducing reliance on central heating. It is cheaper than replacing the original sash window, and can be installed without the need to remove the frame.

Vertical Sliders


Secondary glazing is an affordable option that is usually more manageable than a complete window replacement. It's suitable for Listed Buildings & Conservation Areas. It's a great way to modernize traditional sash windows in Suffolk & Essex while retaining their distinctive character.

Vertical Sliders were specifically designed to be used in sash window applications in which hinged panels from the standard range aren't suitable. The system features two secondary sashes, which are secured one above the other within an outer frame. They are supported by spring balances, allowing for easy movement. The system can be installed on the inside of a window to provide better thermal performance, or it can be equipped with a space between the glass and the frame to ensure the best acoustic performance.

They can be equipped with a variety handles and stop strips to meet the needs of the homeowner and can be used to prop open the top or bottom pane for ventilation or secured in the closed position to provide security. They can also be equipped with an insulating bristle sealing device to prevent draughts.

Imagine a vertical slider with 'Choices' secondary glazing features all the timber-like details you'd expect from an antique window treatment and comes in a variety of colors to match your existing sash. It is almost impossible to distinguish from the original sash windows, since details like sash horns and traditional joints are incorporated into the design. It is available in various sizes and can take glass up to 6.8mm for additional insulation against heat loss. A tilt-in option is also available that allows the sashes to be hinged inward on safety stays for easier cleaning.

Hinged Casement

Our single-pane hinged secondary glazing can be fitted to windows made of sash in any style, including traditional and casement sash. The hinged units we offer are made with secure multi-point locking and are available with keys and a handle for the lock. This ensures that the glass panel is secured securely in place and pulls close to the frame, forming a seal to minimize heat loss. Hinged windows are available as either side or top hung and can also be constructed with double-glazed. Double-glazed windows offer enhanced acoustic performances and are available in 43dB (for 47dB), 51dB (for 51dB) or 47dB (for 49dB).

In contrast to horizontal sash windows with movable sashes that slide horizontally within the frame, casement windows are able to open outwards and let in breezes from various angles. They can also be opened from both the top and bottom to offer controlled airflow. For this reason, they can increase airflow and are a viable alternative to traditional windows made of sash.

They are popular in modern homes due to their slim "sightlines" that allow for an unobstructed view. However, they can also be installed into listed properties because they don't require transoms and mullions. They can also be utilized in areas that are difficult to access since they are easily opened by turning a handle.

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

Lift Out Windows

Secondary glazing can be set up with a variety of methods and the cost will vary depending on the type, thickness, and the materials you select for your panes and frame. uPVC windows are usually the most affordable followed by aluminium and finally wooden window frames. Specialized glass, in addition to any additional features like security or sound reduction may also raise prices.

Another aspect that can affect the cost is the complexity of the installation. The more complex the project will take longer and require more labor it will require. This is especially the case for older homes that have more complex design of sash windows.

Analyzing the condition of existing windows is a good place to begin. You can get a precise estimate of the cost by having them inspected by professionals.

In general, secondary glazing has a minimal effect on the look of your home. This is due to the fact that modern FINEO double glazing is slim and discrete frames, meaning you can achieve thermal efficiency without sacrificing aesthetics.

The horizontal sliding secondary glazing option is popular due to its easy access to the existing sash window for cleaning or ventilation. It is also possible to get them with a tilt function which you can activate by unlocking the catch on your secondary glazing panel and lifting it vertically until you reach a predetermined point. This is great for windows that aren't opened frequently and can be used to make it easier to access air cooling in bay windows. You can even use them to open the middle sash of a traditional sash bay window to create a more uniform look.