Secondary Glazing For Sash Windows
Many homeowners are unable to install new double glazing on their homes due to financial constraints or because they live in listed buildings which prohibit any exterior modifications.
Secondary glazing for windows with sash is a great alternative that can be put in using a variety of methods.
This is a double-paned window that can be placed inside the frame of your window. It offers insulation and noise reduction, while preventing cold air from entering your home.
Fixed Inserts
If you’re thinking about secondary glazing for your sash windows, there are several different styles to choose from. Each comes with its own number of advantages, ranging from improved security to reduced condensation. Which is the best choice for you?
The basic idea behind secondary glazing is to incorporate an extra pane of glass inside the window frame. This creates an extra layer of soundproofing and insulation which can significantly increase the efficiency of your home’s energy use.
It’s not always possible to add double-glazed windows, especially if your home is classified as a historic property or if 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 set up with relative ease. It’s a popular option for those who want to renovate their old home without having to replace the original sash window with a more modern version.
There are a number of different options for secondary glazing sash windows, each of that can be adapted to fit your frame. Proprietary systems usually have painted aluminium frames which are designed to fit into the depth of a staff bead an existing sash window sash replacement meaning that shutters and sills are still able to be used.
They can be fitted with a variety of installation methods such as glazing clips and Velcro. These offer a more aesthetic solution to screw-fixed units and are ideally suited to windows that don’t need to be opened often. You can also select an unfixed lift-out unit that can be easily removed and reinstalled to allow you to open your windows.
Horizontal Sliders
Horizontal sliders are the most popular way to improve existing windows with sash window locks. They are also extremely discreet and ideal for historic buildings, conservation areas & listed properties. They can be fitted in most cases without the need for access from outside since they operate from inside.
They are easy to operate with a hand and can be opened wide or left partially open to allow for ventilation. They are extremely effective in getting rid of draughts, and they also have the benefit of filtering out harmful UV light. They can be used in combination with a flyscreen to ward off mosquitoes and other insects during summer months.
Our Trackglaze horizontal sliding systems offer all the benefits of modern double glazing for your classic windows made of sash. It is comprised of PVC double sliding track that runs across all four sides of the cavity with a brush seal around each glass sheet and a handle for a finger pull angle to function as a hand and decrease bowing. It comes in kits with 1m or 2m of track and angle that can be put together to create bigger spans.
Secondary glazing can have a significant impact on noise reduction, specifically for road, rail and airport traffic. The addition of laminated or toughened glass can further improve acoustic performance. Secondary glazing is a standard feature that can reduce outside noise to 52dB(Rw) and specialist glass such as Stadip Silence Laminated Acoustic Glass can provide even greater levels of acoustic performances.
It can increase the energy efficiency of your home by keeping it warmer for longer and reducing reliance on central heating. It’s much less expensive than replacing window sashes your old sash windows, and can be installed almost everywhere without the need to remove the existing window or door frame.
Vertical Sliders
Secondary glazing is a cost-effective option that is typically easier to manage than full window replacement. It is suitable for Listed Buildings & Conservation Areas. It’s a great option to replace sash windows in Suffolk & Essex with modern insulation benefits while keeping the traditional look of older homes.
Vertical Sliders were specifically designed to be used in sash window applications in which hinged panels from the standard range are not suitable. The system is comprised of two secondary sashes that are secured one above the other inside an outer frame. They are supported by spring balances that allow for effortless movement. The system is available as a face-fixed’ (installed to the inside of the window) for improved thermal performance or a ‘reveal-fixed version, which is fitted with an air cavity for glass within the window’s original reveal, for optimum sound quality.
You can choose from a variety of handles and stop-strips to suit your preferences. They can be positioned in the closed position for extra security or propped open to allow ventilation on the top or bottom glass. They can be fitted with an insulating seal bristle to prevent drafts.
Imagine a vertical slider with ‘Choices’ secondary glazing features the same authentic wood detailing you’d expect from an antique window treatment. It’s also available in a variety of colors to match your existing sash. It is almost impossible to differentiate from the original sash windows as details such as sash horns and traditional joints are included in the design. It is available in many sizes and can accept glass up to 6.8mm to add insulation to loss of heat. The tilt-in option allows the individual sashes of the window to be hinged inwards on safety stays for easier cleaning.
Hinged casement window sash
Our single-pane secondary glazing can be positioned on sash windows of any design, including traditional box sash and casement. Our hinged units are constructed with a secure multi-point locking system and can be supplied with keys and a handle for the lock. This will ensure that the glazed panel is locked securely in place and pulls tight to the outer frame, creating a seal to minimize heat loss. Hinged windows can be purchased as either top or side hung and are also available by double-glazing. Double-glazed windows provide better performance in terms of acoustics and are available in 43dB (for 47dB), 51dB (for 51dB) or 47dB (for 49dB).
Contrary to horizontal sash windows which have movable sashes that slide horizontally within the frame, casement windows can open outwards and catch breezes from various angles. They can also be opened from the top and bottom to provide controlled airflow. For this reason, they can help improve airflow and provide an effective alternative to traditional sash windows.
They are commonly used in modern homes because they offer small “sightlines” and unobstructed views. They can also be used in listed properties due to the fact that they don’t require transoms or mullions. They can also be used in areas that are difficult to access since they can be opened simply by turning the handle.
This kind of window could be a problem as it could limit the use of certain window treatments. They are difficult to clean as they open outwards. They may also require regular maintenance and servicing.
Lift Out Windows
Secondary glazing can be installed using a variety methods. The cost of installation will vary according to your selection of materials such as thickness, thickness and type of glass. UPVC frames are the cheapest expensive, followed by aluminium and then wooden frames. Specialized glass, in addition to any additional features like security or sound reduction can increase the cost of windows.
The complexity of the installation will also affect the cost. The more complicated the installation will take longer and more labor will be required. This is also the case for older homes that have more intricate design of sash windows.
Analyzing the condition of existing windows is a good place to start. You can get a reliable estimate of the cost by having them inspected by a professional.
In general secondary glazing can have little effect on the look of your home. This is thanks to the fact that modern FINEO double glazing is sleek and subtle frames, meaning you can attain thermal efficiency without sacrificing aesthetics.
The horizontal sliding secondary glazing option is popular due to its easy access to the sash window for cleaning or ventilation. You can also get them with a tilt function, which you can activate by releasing the catch on the secondary glazing panel and then lifting it vertically to a preset point. This is perfect for windows that don’t get frequently opened. It can also be used to allow air conditioning access in bay windows. It is also possible to use them to open the middle sash of a traditional sash bay window to create a more uniform look.