Secondary Glazing For Sash Windows

Many homeowners are not able to add double glazing to their homes, either because of financial limitations or because the structure is listed and exterior modifications are prohibited.

Secondary glazing for windows made of sash is an excellent alternative and can be installed with a variety of ways.

It consists of an extra glass pane inside the existing window frame which blocks cold air from getting into your home, while also providing insulation and noise reduction.

Fixed Inserts

There are a variety of styles of secondary glazing that are available for sash windows. Each has its own set of advantages, from increased security to less condensation. Which one is the best option for you?

The principle behind secondary glazing is to incorporate an additional glass pane into your existing window frame. This adds a layer of insulation and noiseproofing to your home, increasing its energy efficiency.

However it's not always possible to add new double-glazed windows to your home, especially if you live in a listed structure or are subject to strict planning regulations that dictate what can and cannot be done to your exterior.

In these instances, secondary glazing is a fantastic alternative that can be put in with ease. It's a popular option for those who wish to renovate their old home without having 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 which is configurable to suit your frame. The proprietary systems are typically comprised of painted aluminium frames that fit into the existing staff bead depth on a sash window. This allows sills and shutters to remain.

These can be fitted with different installation methods such as glazing clips or Velcro. They offer a more stylish solution to screw-fixed units and are particularly suited to windows that aren't required to be opened frequently. Alternatively, you can choose an adjustable lift-out unit, which can be lifted out and put back in its place with ease to allow windows to be opened.

Horizontal Sliders

Horizontal sliders are the most popular method to enhance the appearance of your windows. They are also discrete and ideal for historic properties or conservation areas as well as listed properties. In the majority of cases, they are installed without having access to the outside since they operate by the inside.

They can be operated manually and can be left open or partially opened for ventilation. They are effective in stopping draughts and also filter harmful UV light. They can be used in conjunction with a flyscreen to keep out mosquitoes and other insects during the summer months.

Our Trackglaze horizontal sliding system offers all the advantages of modern double glazing for your classic sash windows. It is comprised of PVC double sliding track that runs across all four sides of the cavity with a brush seal around each sheet of glass and finger pull angle handle to act as a hand, reducing bowing. It comes in kits of 1m or 2m of track and angle that can be stacked together to create bigger 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 acoustic performance. Standard secondary glazing reduces outside noise to 52dB (Rw) and specialist glass, such as Stadip Silence Laminated Acoustic Glass can provide higher levels of acoustic performance.

It can improve the energy efficiency of your home by keeping it warm for longer. This can reduce your reliance on central heat. 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 typically more manageable than a complete window replacement. It's suitable for Listed Buildings & Conservation Areas. It's the ideal option to replace windows with sash in Suffolk & Essex with modern insulation benefits while keeping the charm of older homes.

Vertical Sliders are specifically designed for windows with sash openings where standard hinged panels don't work. The system has two secondary sashes that are secured one over the other inside an outer frame. They are supported by spring balances that allow for easy movement. The system is available as a 'face-fixed' (installed to the inside of the existing window) to improve thermal efficiency or a'reveal-fixed version that is fitted with an air cavity for glass within the window's original reveal, for optimum audio-acoustic performance.

You can pick from a range of handles and stop-strips to meet your needs. They can be fixed in the closed position for additional security or propped open for ventilation on the top or bottom glass. They can be equipped with an insulating seal bristle to prevent drafts.

Imagine a vertical slider with 'Choices' secondary glazing has all the authentic timber detailing you'd expect from a period window treatment. It's available in an array of colours to match your existing sash. It is almost impossible to distinguish from the original sash windows as details like sash horns as well as traditional butt joints are integrated into the design. It's available in an extensive variety of sizes and can accept glass up to 6.8mm to add insulation to prevent loss of heat. A tilt-in option is also available that allows the sashes to be hinged into the safety stays to aid in cleaning.

Hinged Casement

Our single-pane secondary glazing can be installed on sash windows in any style including traditional box sash windows sash and casement. The hinged units we offer are made with a secure multi-point locking system and can be supplied with a key lock handle. This will ensure that the glazed panel is locked securely in place and pulls tightly against the frame creating a seal designed to reduce heat loss. Hinged windows can be side-hung or top-hung, and they can also be double-glazed. Our double glazed sash secondary glazing windows for Listed buildings (Pattern-wiki.win)-glazed windows provide enhanced audio-acoustic performance. They are available in 43dB,47dB or 51dB.

Casement windows are able open up and let in breezes at different angles. This is unlike the horizontal sash window which has movable sashes within the frame that slide horizontally. They can be opened both from the top and bottom to allow controlled airflow. They also increase airflow and offer a fantastic alternative to traditional sash window.

They are commonly used in modern homes because they have small "sightlines" and unobstructed views. However, they can also be used in listed homes due to the fact that they don't require transoms or mullions. They can also be utilized in areas that are difficult to access since they can be opened by turning the handle.

The primary disadvantage of this kind of window is that it could block large openings, and could limit the use of certain window treatments. They can be difficult to clean, as they open outwards. They also may require regular maintenance and service.

Lift Out Windows

Secondary glazing can be put in in a variety of ways and the cost will vary according to the type, thickness and materials you choose for your panes and frame. Upvc frames are the most expensive, followed by aluminium and then wooden frames. Specialised glass can also increase the price and include additional features like security or noise reduction.

Another factor that will influence the cost is the complexity of the installation. The more complicated the project will take longer and more labor will be required. This is also applicable to older properties with more complex designs for sash windows.

Analyzing the condition of existing windows is a good place to start. A survey by an experienced professional will give you an accurate estimate of what the cost could be.

In general, secondary glazing has a minimal effect on the appearance of your home. This is thanks to the fact that the modern FINEO double glazing has slim and discreet frame lines, which means you can attain thermal efficiency without compromising on aesthetics.

The horizontal sliding secondary glazing is popular due to its easy access to the existing sash window to clean or for ventilation. These are also available with a tilt function, which is activated by opening the catch and lifting the secondary glazing panel vertically up to a certain level. This is perfect for windows that aren't frequently opened. It can also be used to permit air conditioning access in bay windows. It is also possible to make use of them to open the middle sash on the traditional sash bay windows to create a more uniform look.