Secondary Glazing For Sash Windows
Many homeowners are unable build new double-glazed windows to their homes, either because of financial limitations or because they reside in listed buildings that restrict any exterior modifications.
Secondary glazing for windows made of sash is an excellent alternative that can be put in with a variety of ways.
This is a double-paned glass that can be placed inside the frame of your window. It is insulated and provides noise reduction, while blocking cold air from entering the home.
Fixed Inserts
If you're considering secondary glazing for your sash and case window repairs windows, there are a variety of styles to pick from. Each comes with its own number of advantages, ranging 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 a layer of insulation and noiseproofing to your home, enhancing its energy efficiency.
However it's not always feasible to add double-glazed windows to your home particularly if you reside in a listed building or are subject to strict regulations regarding planning which dictate what can and cannot be done to your exterior.
In these situations secondary glazing is a fantastic alternative that can be put in with relative ease. It's a popular option for those who wish to update their period home without the need to replace the original sash window a more modern version.
There are many different options for secondary glazing sash windows, all of which is configurable to suit your frame. The proprietary systems typically feature painted aluminium frames which are designed to fit within the depth of a staff bead on an existing sash window meaning that shutters and sills can be kept.
They can be installed with a variety of mounting methods such as glazing clips and Velcro. These are more appealing than screw-fixed units and are ideally suited to windows that do not need to be opened often. Alternatively, you can opt for a fixed lift out unit that can be lifted out and then put back in place with relative ease, allowing your windows to be opened.
Horizontal Sliders
Horizontal sliders are the most popular way to improve existing sash window. They are also discrete and are ideal for historic homes or conservation areas as well as listed property. They can be installed in most cases without the need for external access because they are operated from inside.
They can be operated with a hand, and they can be left open or partially closed for ventilation. They are effective in keeping out draughts, and also block harmful UV light. They can be used in conjunction with a flyscreen to ward off mosquitoes and other insects during summer months.
Our Trackglaze horizontal sliding system offers all the benefits of modern double glazing for your classic Sash windows. It consists of PVC double sliding track that runs across all four sides of the cavity, a simple brush seal around each sheet of glass and a finger pull angle handle to act as a hand, reducing bowing. It comes in kits with 1m or 2m of track and angle that can be stacked together to create larger spans.
Secondary glazing can have a significant effect on noise reduction, especially for road, rail and airport traffic. The addition of laminated or toughened glass further enhances the acoustic quality. Standard secondary glazing reduces outside noise to 52dB (Rw) and specialist glass, such as Stadip Silence Laminated Acoustic Glass, can achieve even higher levels of acoustic efficiency.
It can increase the efficiency of your home by keeping it warmer longer. This will decrease the need for central heating. It is cheaper than replacing the original sash window and can be installed without having to remove the frame.
Vertical Sliders
Secondary glazing is an affordable option that is typically easier to manage than full window replacement. It is suitable for Listed Buildings & Conservation Areas. It's a great way to improve the look of traditional sash windows in Suffolk & Essex while retaining their distinctive character.
Vertical Sliders are designed especially for windows with sash window restoration near me openings where standard hinged panels aren't suitable. The system has two secondary sashes that are fixed one above the other within 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 existing window) for improved thermal efficiency or a'reveal-fixed' version which comes with a glass-to-glass cavity, within the original window reveal, for optimal acoustic performance.
They can be equipped with a variety of stops and handles to suit the homeowner's preferences and can be used to prop open the bottom or top pane to let in air, or they can be secured in an open position for additional security. They can be equipped with an insulating seal bristle to prevent draughts.
The 'Choices' Imagine vertical slider secondary glass has all the authentic wood detailing you'd expect in a window covering from the past. It is available in a variety of colors that will match your existing sash. It is almost impossible to distinguish from original sash windows refurbishment windows, as details such as sash horns and traditional butt joints are included in the design. It is available in many sizes and can accept glass up to 6.8mm for additional insulation against loss of heat. The tilt-in option permits the individual sashes of the window to be hinged backwards on safety stays for easier cleaning.
Hinged Casement
Our single-pane secondary glazing is able to be installed on sash lock door handles windows of any style including traditional box sash and casement. The hinged units we offer are made with secure multi-point locking and can be supplied with a key lock handle. This combination ensures the glazed panel is locked securely in place and is pulled close to the frame creating a seal designed to minimise heat loss. Hinged windows can be top-hung or side-hung, and they can also be double-glazed. Our double-glazed windows provide enhanced sound insulation and are available in 43dB, 47dB or 51dB.
In contrast to horizontal sash windows with movable sashes that slide horizontally within the frame, casement windows are able to open outward and capture breezes from different angles. They can be opened from the top and bottom to allow controlled airflow. They are therefore able to increase airflow and are a great alternative to traditional sash window.
They are often utilized in modern homes as they offer small "sightlines" and unobstructed views. However, they can also be used in listed homes because they don't require transoms or mullions. They can also be utilized in places that are difficult to reach since they are easily opened by turning a handle.
This kind of window can be a problem as it can restrict the use of certain window treatments. They can also be difficult to clean since they open outwards, and may require regular maintenance and service.
Lift Out Windows
Secondary glazing can be installed using a variety methods. The cost of installation will vary according to your selection of materials, thickness, and type of glass. uPVC windows are usually the most affordable followed by aluminium, and then wooden window frames. Specialised glass, along with any other features such as security or sound reduction could also increase prices.
Another factor that will influence the cost is the complexity of the installation. The more complex the project, the more time and labor will be required. This can also apply to older homes with more complex sash windows, which require specialized knowledge and expertise.
Examining the condition of your existing windows is a good way to start. The survey conducted by a skilled professional will give you an accurate estimate of what the price might be.
Generally speaking, Secondary glazing sash window glass will have minimal impact on the overall look of your home. This is due to the fact that modern FINEO double glazing is slim and discrete frame lines, which means you can attain thermal efficiency without compromising on aesthetics.
The horizontal sliding secondary glazing is popular because it allows easy access to the existing sash window for cleaning or ventilation. These windows also come with a tilt feature, which is activated by releasing the catch and then lifting the secondary glazing panel vertically to a predetermined point. This is ideal for windows that aren't opened often and can be used to make it easier to access air cooling in bay windows. You can use them to open the middle sash of a traditional Bay Window to create a symmetrical appearance.