Secondary Glazing For sash windows refurbishment Windows
Many homeowners are unable add new double glazed sash windows for listed buildings glazing to their homes, either because of financial constraints or because they reside in listed buildings that restrict any modifications to the exterior.
Secondary glazing is an excellent alternative for sash window and can be installed several ways.
It is made up of an additional glass pane inside the window frame, which blocks cold air from entering your home, while offering insulation and noise reduction.
Fixed Inserts
If you're thinking about secondary glazing for your sash windows, there are many different styles to pick from. Each offers a unique set of advantages, from increased security to lower condensation. But which is the best option for you?
The fundamental idea behind secondary glazing is fitting an additional glass within your window frame. This creates an extra layer of soundproofing and insulation, which can dramatically improve your home's energy efficiency.
It's not always practical to install double-glazed windows particularly if you live in an listed property or you are governed by strict planning regulations dictating what can and can't 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 choice for those who wish to renovate their old home without the need to replace the original sash window a more modern version.
There are a variety of different systems for secondary glazing on Sash windows. Each one can be adapted to fit into your existing frame. The proprietary systems typically feature painted aluminium frames which are designed to fit within the depth of a staff bead an existing sash window, so that shutters and sills can be kept.
They can be equipped using a variety of installation methods such as glazing clips and Velcro. These types of units look more attractive than screw-fixed ones and are best suited for windows that do not need to be opened frequently. Alternatively, you can opt for a fixed lift out unit, which can be lifted out and then put back in its place with ease to allow windows to be opened.
Horizontal Sliders
Horizontal sliders are the most popular method of enhancing the appearance of a sash window. They are also very discrete and suitable for older structures, conservation areas and listed properties. They can be installed in the majority of cases without the need for access from outside since they operate from inside.
They can be operated by hand, and they can be left open or partially closed for ventilation. They are effective at stopping draughts and also block 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 benefits of modern double glazing for your classic Sash windows. It is comprised of PVC double sliding track on all four sides of the cavity with a brush seal around each sheet of glass and a finger pull angle handle to function 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 laminated glass or toughened glasses improves the acoustic performance. Standard secondary glazing can reduce outside noise by 52dB(Rw), and specialist glass such as Stadip Silence Laminated Acoustic Glass can provide even greater levels of acoustic performance.
It can increase the energy efficiency of your house by keeping it warmer for longer. This will reduce the need for central heating. It's less expensive than replacing the original sash window and can be installed without having to remove the existing frame.
Vertical Sliders
Secondary glazing is a cost-effective option which is often more manageable than a complete window replacement sash windows cost and is perfectly suitable for Listed Buildings & Conservation Areas. It's a great option for upgrading traditional windows with sash in Suffolk & Essex with modern insulation benefits, while maintaining the character of older homes.
Vertical Sliders were developed for sash window applications in which hinged panels from the standard range would not be suitable. They feature two secondary sashes that are secured, one above the other, inside an outer frame and are supported by robust spring balances for ease of movement. The system can be purchased as a 'face-fixed' (installed to the inside of the existing window) to improve thermal performance or a 'reveal-fixed version, which has a glass to glass cavity within the window's original reveal, for optimum sound quality.
You can choose from a variety of stop-strips and handles that meet your needs. They can be fixed in the closed position to provide 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 stop draughts.
'Choices' Imagine vertical slider secondary glazing features all the timber-like details you'd expect from an antique window treatment. It's also available in a variety of colors to match your existing sash. It's difficult to differentiate from the original sash window with details like sash horns and traditional butt joints included in the design. It is available in many sizes and can take glass up to 6.8mm for additional insulation against heat loss. The tilt-in feature allows the individual sashes of the window to be hinged backwards on safety stays for easier cleaning.
Hinged Casement
Our single-pane secondary glazing can be installed on sash style double glazed windows windows in any style, including traditional box sash and casement. Our hinged units are constructed with secure multi-point locking and are available with keys lock handles. This ensures that the glazed panel is locked in place and is pulled tightly against the frame, forming a sealing to minimise loss of heat. Hinged windows are available as either side or top hung and can also be made by double-glazing. Double-glazed windows provide better sound insulation and are available in 43dB (for 47dB) and 51dB (for 51dB) or 47dB (for 49dB).
Contrary to horizontal sash windows with movable sashes that slide horizontally within the frame, casement windows can open outwards and let in breezes from different angles. They can be opened both from the top and bottom for controlled airflow. They are therefore able to improve airflow and are a great alternative to traditional sash window.
They are often employed in modern homes since they have small "sightlines" and unobstructed views. However, they can also be used in listed properties due to the fact that they don't require transoms or mullions. They are also a good option for areas that are difficult to access since they can be opened by the turn of a handle.
The primary drawback to this type of window is that it could block large openings and limit the use of certain window treatments. They can also be difficult to clean since they open outwards, and could require regular maintenance and service.
Lift Out Windows
Secondary glazing can be put in with a variety of methods and the price will vary according to the type, thickness and the materials you select for your frame and panes. upvc sash windows near me windows are generally the least expensive followed by aluminium, and then wooden window frames. Specialised glass, as well any additional features like security or sound reduction can also increase prices.
The complexity of the installation will also impact the cost. The more complex the project will take longer and require more labor-intensive it will be. This is especially true for heritage properties with more complex designs for sash windows.
The best place to begin is to assess the condition of your existing windows. You can get a precise estimate of the cost by having them inspected by an expert.
In general, secondary glazing has little effect on the look of your home. Modern FINEO double-glazing has thin and discrete frame lines. This lets you get the most efficient heat without compromising aesthetics.
The horizontal sliding secondary glazing is popular because it allows easy access to the sash window for cleaning or ventilation. They also come with a tilt feature, that can be activated by releasing the catch and lifting the secondary glazing panel vertically to a specified point. This is ideal for windows that don't open frequently and can be used to facilitate access for air conditioning in bay windows. It is also possible to use them to open up the middle sash on the traditional sash bay windows to give a more symmetrical appearance.