The 10 Most Terrifying Things About Secondary Glazing Sash Windows
From Shiapedia
Secondary Glazing For Sash Windows
Many homeowners are not able to add double glazing to their homes due to financial constraints or because the building is listed and any modifications to the exterior are not permitted.
Secondary glazing for sash windows is a good alternative and can be installed in various ways.
It consists of an extra pane of glass inside the window frame that stops cold air from entering your home, while also offering insulation and noise reduction.
Fixed Inserts
There are a variety of styles of secondary glazing for sash windows. Each style comes with each of its own benefits that range from increased security to less condensation. Which is the best choice for you?
The fundamental idea behind secondary glazing is the installation of an additional glass within the window frame. This adds an additional layer of soundproofing and insulation which can dramatically improve the energy efficiency of your home.
However it's not always feasible to install new double-glazed windows to your property particularly if you reside in a listed building or are subject to strict regulations regarding planning which dictate what can and can't be done to your exterior.
In these cases, secondary glazing is a great alternative that can be installed with ease. It's also a popular option for those who want to modernize their old home without having to tear down the original windows with sash and replace them with new ones.
There are a number of different options for secondary glazing sash windows, each one of can be customized to fit the frame you have. Proprietary systems typically have painted aluminium frames which are made to fit within the depth of a staff bead on an existing sash window, which means that sills and shutters can be kept.
They can be installed with a variety of mounting methods such as glazing clips and Velcro. They offer a more stylish alternative to screw-fixed units and are ideally suited to windows that don't need to be opened often. Alternatively, you can choose an adjustable lift-out unit that can be lifted out and then put back in its place with ease, allowing your windows to be opened.
Horizontal Sliders
Horizontal sliders are the most popular method to enhance the appearance of your windows. They are also discreet and are ideal for historic homes, conservation areas & listed properties. In the majority of cases, they can be installed without having access to the outside since they operate by the inside.
They can be operated with a hand, and they can be left open or partially opened for ventilation. They are very effective at stopping draughts and also they also have the benefit of filtering out harmful UV light. In summer they can be utilized with a flyscreen to keep out insects and mosquitoes.
Our Trackglaze horizontal sliding system provides all the advantages of modern double glazing for your classic Sash windows. It is comprised of PVC double sliding tracks on the four sides of the cavity with an easy bristle seal around each glass sheet and finger pull angle handles that act as a handle and reduce bowing. It comes in kits with 1m or 2m of track and angle that can be put together to create larger spans.
The acoustic advantages of secondary glazing are very significant and it can significantly enhance noise reduction from outside, especially the airport, rail and road traffic. The addition of laminated glass or toughened glasses further enhances the acoustic performances. Secondary glazing is a standard feature that can reduce outside noise to 52dB(Rw) and specialist glass like Stadip Silence Laminated Acoustic Glass can achieve even higher levels of acoustic performances.
It can boost the energy efficiency of your house by keeping it warm for longer. This will decrease your reliance on central heat. It is 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 alternative that is usually more manageable than a complete window replacement sash windows. It is also suitable for Listed Buildings & Conservation Areas. It's the ideal option for upgrading traditional sash windows in Suffolk & Essex with modern insulation benefits, while maintaining the character of older homes.
Vertical Sliders are designed especially for sash windows where regular hinged panels aren't appropriate. The system features 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 can be purchased as a 'face-fixed' (installed to the inside of the existing window sash replacement) for improved thermal efficiency or a'reveal-fixed' version which is fitted with an air cavity for glass inside the window sash repairs reveal, for optimum sound quality.
You can pick from a variety of stop-strips and handles to match your preferences. They can be fixed in a closed position for extra security or propped open to allow ventilation on the glass's top or bottom. They can also be equipped with an insulating bristle seal that can keep out draughts.
Imagine a vertical slider with 'Choices' secondary glazing comes with all the timber-like details you'd expect from an antique 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 windows, as details like sash horns and traditional butt joints are incorporated into the design. It's available in a broad variety of sizes and can accept glass up to 6.8mm to add insulation to prevent heat loss. A tilt-in option is also available that allows the sashes to be hinged into the safety stays for easier cleaning.
Hinged Casement
The single-pane hinged secondary glazing can be fitted to windows made of sash in any style, including traditional and casement sash. Our hinged units are supplied with a keylock handle, and are made with multi-point locking. This combination ensures the glazed panel is held securely in place, and it pulls tightly against the frame, forming a seal to reduce heat loss. Hinged windows are available as either side or top hung and can also be constructed by double-glazing. Our double-glazed windows provide enhanced sound insulation and are available in 43dB,47dB or 51dB.
Unlike horizontal sash windows, which have movable sashes that slide horizontally within the frame, casement windows can be opened outward and capture breezes from different angles. They can also be opened from both the top and bottom to provide controlled airflow. They are therefore able to improve airflow, and are a great alternative to traditional sash windows.
They are used in modern homes due to their small "sightlines" which allow for unobstructed view, but they can also be incorporated in listed buildings since they don't require transoms and mullions. They're also a great option for those who live in areas that are difficult to reach because they can be opened by the twist of a handle.
The main drawback of this kind of window is that it could block large openings, and could limit the use of certain window treatments. They are difficult to clean as they swing outwards. They also may require regular maintenance and care.
Lift Out Windows
Secondary glazing can be installed using a variety methods. The cost will differ according to the choice of materials such as thickness, thickness and type of glass. UPVC windows are typically the most affordable followed by aluminium, and finally wooden window frames. Specialised glass can also increase the cost and also any extra features, such as security or noise reduction.
The complexity of the installation will impact the cost. The more complex the project, the longer and more labor it will require. This can also apply to older homes with more complex sash windows, which require specialist knowledge and expertise.
A good place to start is to assess the condition of your existing windows. Having them surveyed by an experienced professional will give you an accurate idea of what the costs might be.
In general secondary glazing can have a minimal effect on the appearance of your home. Modern FINEO double-glazing features thin and subtle frame lines. This lets you get the most efficient heat without compromising aesthetics.
The horizontal sliding secondary glazing is a popular choice because it permits easy access to the existing sash window for cleaning or ventilation. These are also available with a tilt feature, which is activated by releasing the catch and lifting the secondary glazing panel vertically up to a certain level. This is a great option for windows that aren't used often and can be used to facilitate access for air cooling in bay windows. They can be used to open the middle sash of a traditional sash Bay window sash replacement to create a symmetrical appearance.
