The 10 Most Terrifying Things About Secondary Glazing Sash Windows
Secondary Glazing For Sash Windows
Many homeowners are not able to add double glazing to their house because of financial limitations or because the building is listed and any exterior modifications are prohibited.
Secondary glazing for sash windows is a good alternative and can be installed in various ways.
It is made up of an additional pane of glass within the window frame, which stops cold air from getting into your home, while also providing insulation and noise reduction.
Fixed Inserts
If you're considering secondary glazing for your sash windows, there are several different styles to choose from. Each comes with its own set of advantages, from increased security to less condensation. But which is the best option for you?
The principle behind secondary glazing is fitting an additional glass within the window frame. This adds an additional layer of insulation and noiseproofing to your home, improving its energy efficiency.
However it's not always possible to install new double-glazed windows to your property, especially if you live in a listed building or are subject to strict regulations regarding planning which dictate what can and can't be done to your exterior.
Secondary glazing is a great alternative in these circumstances. It can be put in fairly easily. It's also a popular choice for those looking to upgrade their home without having to take down the original sash windows and replace them with contemporary ones.
There are a variety of different systems available for secondary glazing sash windows, each of that can be adapted to fit the frame you have. Proprietary systems typically have painted aluminium frames that are designed to fit into the depth of a staff bead on an existing sash window so that shutters and sills are still able to be used.
These can be fitted with different installation methods such as glazing clips or Velcro. These offer a more aesthetic solution to screw-fixed units and are ideally suited to windows that don't need to be opened regularly. Alternately, you can choose an adjustable lift-out unit, which can be lifted and put back in place with relative ease to allow windows to be opened.
Horizontal Sliders
Horizontal Sliders offer excellent thermal insulation and are the most well-known solution for improving existing sash windows. They are also discreet and ideal for historic properties, conservation areas & listed properties. In most cases, they are installed without access from outside because they operate from the inside.
They can be operated with a hand and can be left open or partially closed for ventilation. They are very effective at stopping draughts and also they also have the benefit of blocking harmful UV light. In summer, they can be used together with a flyscreen to keep out insects and mosquitoes.
Our Trackglaze horizontal sliding systems offer all the benefits of modern double glazing to your traditional sash windows. It comprises of PVC double sliding sash window locks tracks that run across all four sides of the cavity and a simple bristle seal around each glass sheet, and finger pull angle handles that act as a handle and reduce bowing. It is available in kits of 1m or 2m lengths of track and angle which can be butted together to make larger spans.
The acoustic benefits of secondary glazing are extremely important and can reduce noise from outside, especially road, rail & airport traffic. The addition of laminated or toughened glass can further improve 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 boost the energy efficiency of your home by keeping it warmer longer. This can reduce the use of central heating. It is much cheaper than replacing your old sash windows and is installed without the need to remove the window or door frame.
Vertical Sliders
Secondary glazing is a cost-effective option that is usually simpler to manage than a full window replacement. It's also suitable for Listed Buildings & Conservation Areas. It's a great option to upgrade sash windows in Suffolk & Essex with modern insulation benefits while keeping the charm of older homes.
Vertical Sliders are specially designed for sash windows where regular hinged panels aren't appropriate. The system has two secondary sashes that are secured one above the other within an outer frame. They are supported by spring balances to allow for easy movement. The system can be placed on the inside of a window to provide better thermal performance, or it can be equipped with a cavity between the frame and the glass to ensure the best acoustic performance.
They can be equipped with a variety of handles and stop strips to accommodate the preferences of the homeowner and can be used to prop open the top or bottom pane for ventilation or placed in an open position for additional security. They can also be fitted with an insulation bristle to stop drafts.
Imagine a vertical slider with 'Choices' secondary glazing has all the authentic timber detailing you'd expect from a period window treatment. It's also available in a variety of colors to match your existing sash. It's nearly impossible to distinguish from the original sash double glazing windows as details such as sash horns and traditional joints are included in the design. It comes in a variety of sizes and can take glass up to 6.8mm to add insulation to loss of heat. A tilt-in option is available to allow the individual sashes to hinge inward on safety stays for easier cleaning.
Hinged Casement
Our single-pane hinged secondary glass can be incorporated into sash windows of any style including traditional and casement sash. Our hinged units can be equipped with a keylock handle and are constructed with multi-point locking. This will ensure that the glazed panel is securely secured and is pulled tightly to the outer frame, forming a seal to reduce loss of heat. Hinged windows are available as either side or top hung and can also be made with double-glazed. Our double-glazed windows provide enhanced sound insulation and are available in 43dB,47dB or 51dB.
Unlike horizontal sash windows, which have movable sashes, slide horizontally within the frame casement windows can be opened outwards and let in breezes from various angles. They can be opened both from the top and bottom to allow controlled ventilation. This is why they can help improve airflow and are a viable alternative to traditional box sash window windows.
They are used in modern homes due to their narrow "sightlines" that permit clear views, however they can also be put in listed buildings since they do not require mullions and transoms. They can also be utilized in hard-to-reach places as they can be opened simply by turning a handle.
This type of window can be a problem as it may limit the use of certain window treatments. They are also difficult to clean because they swing outward, and could require regular maintenance and service.
Lift Out Windows
Secondary glazing can be put in using a variety ways and the price will vary depending on the thickness, type and materials you choose for your frame and panes. UPVC windows are typically the most affordable followed by aluminium, and then wooden window frames. Specialised glass, along with any extra features such as security or sound reduction could increase the cost of windows.
The complexity of the installation will influence the cost. The more complicated the installation is, the more time and labor will be required. This also applies to heritage properties with more intricate sash windows that require specialized knowledge and expertise.
The best way to start is to assess the condition of your current windows. You can get a precise estimate of the cost by having them checked by a professional.
Generally speaking, secondary glazing will have a minimal impact on the overall look of your home. Modern FINEO double-glazing is slim and distinct frame lines. This allows you to get the most efficient heat without compromising aesthetics.
A very popular choice for secondary glazing is horizontal sliding, which provides easy access to your existing sash windows for cleaning or ventilation. These are also available with a tilt feature which can be activated by opening the catch and raising your secondary glazing panel vertically to a predetermined level. This is a great option for windows that aren't opened often and is a great way to facilitate access for air conditioning in bay windows. You can also use them to open the middle sash in a traditional sash Bay Window to create a symmetrical appearance.