Secondary Glazing Sash Windows: 11 Thing You're Leaving Out
Secondary Glazing For Sash Windows
Many homeowners are not able to add double glazing to their homes due to financial constraints or because the structure is listed and modifications to the exterior are not permitted.
double glazed sash windows glazing for windows with sash is a great alternative and can be installed with a variety of ways.
It is made up of an additional pane of glass within the window frame, which blocks cold air from getting into your home, as well as providing insulation and noise reduction.
Fixed Inserts
If you're thinking about secondary glazing for your sash windows, there are a variety of styles you can pick from. Each style offers distinct advantages that range from increased security to reduced condensation. Which is the best choice for you?
The basic idea behind secondary glazing is to fit an additional glass pane into your existing window frame. This adds an additional layer of insulation and noiseproofing to your home, increasing its energy efficiency.
However it's not always possible to add double-glazed windows for your home particularly 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.
In these situations secondary glazing is a fantastic alternative that can be put in with ease. It's also a popular option for those looking to upgrade their home without the need to tear down the original sash windows and replace them with modern ones.
There are a number of different options available for secondary glazing sash windows, all of which is configurable to suit your frame. Proprietary systems are generally constructed of painted aluminium frames that fit into the existing staff bead depth on a sash window. This allows shutters and sills to be kept.
They can be fitted with a variety of mounting methods, including glazing clips and Velcro. These units are more attractive than screw-fixed ones and are ideally suited to windows that do not need to be opened frequently. You can also choose an unfixed lift-out unit that can be easily removed and then reinstalled to open your windows.
Horizontal Sliders
Horizontal sliders are the most sought-after way to improve existing windows with sash. They are also very discrete and suitable for older buildings, conservation areas, and listed properties. They can be fitted in the majority of cases without the need for access from outside since they operate from inside.
They can be operated by hand, and they can be left open or partially closed for ventilation. They are effective at stopping draughts and also block harmful UV light. In the summer they can be utilized 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 original Sash windows. It comprises of PVC double sliding tracks on 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 decrease bowing. It is available in kits of 1m or 2m of track and angle that can be put together to create bigger 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 can further improve acoustic performance. Secondary glazing that is standard reduces outside noise to 52dB (Rw) and special glass, like Stadip Silence Laminated Acoustic Glass can deliver higher levels of acoustic efficiency.
It can increase the energy efficiency of your home by keeping your house warmer for longer and decreasing dependence on central heating. It is less expensive than replacing the original sash window, and can be installed without having to remove the frame.
Vertical Sliders
Secondary glazing is a cost-effective choice 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 modernize traditional sash windows in Suffolk & Essex while retaining their distinctive character.
Vertical Sliders are specifically designed for sash windows, where regular hinged panels aren't appropriate. They come with two secondary sashes which are secured to one sash above the other, inside an outer frame and are supported by sturdy 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 performance or a 'reveal-fixed version, which comes with a glass to glass cavity inside the window reveal, for optimal audio-acoustic performance.
They can be equipped with a variety of stops and handles to suit the homeowner's preferences, propping open either the top or bottom pane to let in air, or they can be placed in a closed position for added security. They can also be equipped with an insulating bristle sealing device to prevent drafts.
The 'Choices' Imagine vertical slider secondary glass comes with all the authentic wood detailing you'd expect in a period window treatment. It comes in a variety of colours that are compatible with your sash. It's almost impossible to differentiate from the original sash window, with details like sash horns and traditional butt joints included in the design. It is available in many sizes and can accept glass up to 6.8mm for additional insulation against heat loss. The tilt-in option allows the individual sashes of the window to be hinged inwards on safety stays for easier cleaning.
Hinged Casement
Our single-pane hinged secondary glazing can be incorporated into windows in sash of any design, including traditional and casement sash. Our hinged units can be supplied with a keylock handle and are made with multi-point locking. This ensures that the glazed panel is locked securely in place and pulls tight to the outer frame, forming a seal to minimise heat loss. Hinged windows can be purchased as either top or side hung and are also available with double-glazed. Double-glazed windows are a great way to improve audio-acoustic performance. They are available in 43dB,47dB or 51dB.
In contrast to 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 the top and bottom to provide controlled ventilation. For this reason, they can improve airflow and offer an effective alternative to traditional windows with sash.
They are typically utilized in modern homes as they offer small "sightlines" and unobstructed views, but can also be incorporated into listed properties because they do not require transoms or mullions. They can also be utilized in areas that are difficult to access since they can be opened by turning a handle.
This kind of window could be a problem as it could limit the use of certain window treatments. They can be difficult to clean since they swing outwards. They also may require regular maintenance and servicing.
Lift Out Windows
Secondary glazing can be installed in a variety of ways and the cost will vary according to the type, thickness, and materials you choose for your panes and frame. UPVC windows are typically the most affordable, followed by aluminium and finally wooden window frames. Specialised glass, as well any extra features such as security or sound reduction could increase the cost of windows.
Another aspect that can affect the cost is the complexity of the installation. The more complicated the installation, the longer and more labor it will require. This also applies to heritage properties with more complex sash windows, which require specialized knowledge and expertise.
A good place to start is to assess the condition of your current windows. Having them surveyed by a skilled professional will give you a precise estimate of what the price might be.
In general, secondary glazing will have minimal impact on the overall look of your home. This is thanks to the fact that the modern FINEO double-glazing has sleek and subtle frames, meaning you can get the most efficient thermal performance without compromising on aesthetics.
A popular option for secondary glazing is horizontal sliding, which gives easy access to existing sash windows to clean or ventilation. These are also available with a tilt feature, which can be activated by unlocking the catch and then lifting your secondary glazing panel vertically to a predetermined level. This is a great option for windows that aren't used frequently and can be used to facilitate access for air conditioning in bay windows. You can also make use of them to open the middle sash of a traditional sash bay window to create a more symmetrical look.