Secondary Glazing For Sash Windows
Many homeowners are not able to add double glazed timber sash windows glazing to their home, either due to financial constraints or because the building is listed and any modifications to the exterior are not permitted.
Secondary glazing for windows made of sash is an excellent alternative and can be installed in various ways.
It's an additional glass pane inside the window frame, which stops cold air from entering your home, while offering insulation and noise reduction.
Fixed Inserts
There are many different types of secondary glazing that are available for Sash windows. Each style offers distinct advantages including increased security and reduced condensation. Which is the best choice for you?
The principle behind secondary glazing is the installation of an additional glass pane inside your existing window frame. This provides an additional layer of soundproofing and insulation which can greatly improve your home's energy efficiency.
However, it's not always possible to install new sash windows double-glazed windows to your home, especially if you live in a listed building or are subject to strict planning regulations which dictate what can and cannot be done to your exterior.
In these instances, secondary glazing sash window glazing is a fantastic alternative that can be set up with ease. It's also a popular option for those looking to upgrade their period property without having to tear down the original windows in sash and replace them with contemporary ones.
There are a number of different systems available for secondary glazing sash windows, all of can be customized to fit the frame you have. Proprietary systems usually have painted aluminium frames which are made to fit within the depth of a staff bead an existing sash window which means that sills and shutters are still able to be used.
These can be fitted using a variety of methods for installation, such as glazing clips or Velcro. They provide a more attractive alternative to screw-fixed units and are particularly suited to windows that aren't required to be opened often. You can also choose an unfixed lift-out unit that can be easily removed and reinstalled to open your windows.
Horizontal Sliders
Horizontal sliders are the most sought-after method to enhance the appearance of your sash window. They are also discrete and ideal for historic properties or conservation areas as well as listed property. In the majority of instances, they can be installed without having access to the outside since they operate from the inside.
They can be operated manually and can be left open or partially opened for ventilation. They are effective at stopping draughts and also filter harmful UV light. They can be used in combination with a flyscreen to keep out mosquitoes and other insects during the summer months.
Our Trackglaze horizontal sliding systems offer all the advantages of modern double glazing to your original windows made of sash. It consists of PVC double sliding track that runs across all four sides of the cavity with a brush seal around each sheet of glass and a handle for a finger pull angle 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 larger spans.
The acoustic benefits of secondary glazing are very important and can enhance noise reduction from outside, especially railway, road and airport traffic. The addition of laminated glass or toughened glasses improves the acoustic performance. Secondary glazing that is standard reduces outside noise to 52dB (Rw) and specialist glass, like Stadip Silence Laminated Acoustic Glass can provide even higher levels of acoustic performance.
It can increase the energy efficiency of your home by keeping it warmer for longer, and reducing dependence on central heating. It is less expensive than replacing your original sash windows and can be installed without the need to take out the window or door frame.
Vertical Sliders
Secondary glazing is a cost effective option that is usually more manageable than full window replacement and is perfectly 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 are specially designed for sash windows where regular hinged panels don't work. The system features two secondary sashes that are secured one above the other inside an outer frame. They are supported by spring balances to allow for easy movement. The system can be installed on the inside of an existing window to ensure more efficient thermal performance, or it can be equipped with a space between the frame and the glass to ensure the best acoustic performance.
You can pick from a range of stop-strips and handles that match your preferences. They can be positioned in the closed position to provide additional security or propped open to allow ventilation on the glass's top or bottom. They can also be fitted with an insulating seal bristle to prevent draughts.
Imagine a vertical slider with 'Choices' secondary glazing features all the authentic timber detailing you'd expect from a vintage window treatment. It's available in a variety of colors to match your existing sash. It's almost impossible to distinguish from the original sash window, with details like sash horns & traditional butt joints being incorporated into the design. It's available in an extensive variety of sizes and can accept glass up to 6.8mm to provide additional insulation against heat loss. A tilt-in option is available to allow the individual sashes of the frame to hinge into the safety stays for easier cleaning.
Hinged Casement
Our single-pane hinged secondary glass can be incorporated into windows made of sash in any style including traditional and casement sash. Our hinged units are supplied with a keylock handle and are manufactured with multi-point locking. This will ensure that the glazed panel is locked securely in place and pulls tight to the outer frame, creating a seal to minimise heat loss. Hinged windows are available either side or top hung and can also be made with double-glazed. Double-glazed windows are a great way to improve audio-acoustic performance. They are available in 43dB,47dB or 51dB.
Unlike horizontal sash windows, which have movable sashes that slide horizontally within the frame casement windows are able to open outwards and catch breezes from a variety of angles. They can also be opened from both the top and bottom to provide controlled airflow. Because of this, they can help improve airflow and are a viable alternative to traditional sash windows.
They are used in modern homes due to their narrow "sightlines" which allow for unobstructed view, but they can also be installed into listed properties because they do not require mullions and transoms. They're also a great option for areas that are difficult to access because they can be opened by the twist 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 as 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 cost will vary according to the type, thickness, and the materials you select for your frames and panes. UPVC windows are typically the least expensive followed by aluminium, and finally wooden sash windows near me window frames. Specialized glass may also increase the cost and include additional features such as security or noise reduction.
The complexity of the installation will influence the cost. The more complex the project is, the more time and labor will be required. This is also applicable to older properties with more complex 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 checked by professionals.
In general secondary glazing can have an insignificant impact on the look of your home. This is thanks to the fact that the modern FINEO double-glazing has slim and discreet frames, meaning 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 to clean or for ventilation. These windows also come with a tilt function, which can be activated by unlocking the catch and then lifting your secondary glazing panel vertically up to a certain degree. This is ideal for windows that don't get opened very often. It can also be used to allow air conditioning access in bay windows. You can even make use of them to open the middle sash of the traditional sash bay windows to create a more symmetrical look.