Secondary Glazing For Sash Windows
Many homeowners are unable add double glazing to their house due to financial constraints or because the building is listed and any modifications to the exterior are not permitted.
Secondary glazing is a fantastic alternative to sash windows and can be installed in a variety of ways.
This is a double-paned window that fits into your existing window frame. It offers insulation and noise reduction, as well as preventing cold air from entering your home.
Fixed Inserts
If you're considering secondary glazing for your sash windows there are several different styles to choose from. Each style comes with distinct advantages that range from increased security to reduced condensation. Which is the best choice for you?
The fundamental idea behind secondary glazing is to fit an extra pane of glass into your existing window frame. This provides an additional layer of insulation and noiseproofing to your home, enhancing its energy efficiency.
However it's not always possible to add new double-glazed windows to your property particularly if you reside in a listed structure or are subject to strict regulations regarding planning that define what can and cannot be done to your exterior.
Secondary glazing is a great alternative in these situations. It can be set up quite easily. It's also a popular option for those who want to modernize their home without having to tear down the original windows in sash and replace them with modern ones.
There are a variety of different systems available for secondary glazing sash windows, each one of that can be adapted to fit your frame. Proprietary systems are usually constructed of painted aluminum frames that fit into the existing bead depth on the sash window. This allows sills and shutters to be retained.
They can be fitted with a variety of installation methods, including glazing clips and Velcro. These types of units look more attractive than screw-fixed ones and are best suited for windows that do not require to be opened frequently. Alternatively, you can choose a fixed lift-out unit that can be lifted and put back in its place with ease to allow windows to be opened.
Horizontal Sliders
Horizontal Sliders provide excellent thermal insulation and are the most popular solution to improve the performance of existing sash windows. They are also discreet and ideal for historic properties or conservation areas as well as listed properties. They can be fitted in most cases without the need for external access because they are operated from inside.
They are simple to operate using a hand, and can be open wide or left partially open to allow for ventilation. They are very effective at getting rid of draughts, and have the added benefit of filtering out harmful UV light. They can be used in conjunction with an insect screen to deter mosquitoes and other insects during summer months.
Trackglaze horizontal sliding sash window locks systems offer all the advantages of double glazing for the original sash window. It consists of PVC double sliding tracks on the four sides of the cavity and a simple bristle seal around each glass sheet and finger pull angle handles to act as a handle and reduce bowing. It is available in kits of either 1m or 2m lengths of track and an angle, which can be butted together to make 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. Secondary glazing is a standard feature that can reduce outside noise to 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 your house warmer for longer and decreasing dependence on central heating. It is much cheaper than replacing your sash windows, and can be installed almost everywhere without the need to take out the window or door frame.
Vertical Sliders
Secondary glazing is a cost-effective choice that is often easier to manage than full window replacement. It is also suitable for Listed Buildings & Conservation Areas. It's a great way to upgrade traditional sash Windows in Suffolk & Essex while retaining their originality.
Vertical Sliders were developed for use in sash windows where hinged panels of the regular kind are not suitable. The system features two secondary sashes that are fixed one above the other inside an outer frame. They are supported by spring balances that allow for easy movement. The system is available as a face-fixed' (installed to the inside of the existing window) to improve thermal performance, or a'reveal fixed version, which is fitted with an air cavity for glass inside the window reveal, for optimum sound quality.
You can choose from a variety of stop-strips and handles that suit your preferences. They can be put in the closed position to provide additional security, or propped open for ventilation on the top or bottom glass. They can also be fitted with an insulating bristle sealing device to stop draughts.
Imagine a vertical slider with 'Choices' secondary glazing comes with all the timber-like details you'd expect from a vintage window treatment. It's also available in a variety of colors to match your existing sash. It's nearly impossible to differentiate from the original sash windows, since details such as sash horns and traditional joints are incorporated into the design. It is available in many 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 to hinge inward on safety stays for easier cleaning.
Hinged Casement
Our single-pane hinged secondary glass can be fitted to windows made of sash in any style, including casement and traditional box sash window locks. The hinged units we offer are made with a secure multi-point locking system and can be supplied with a key lock handle. This combination ensures that the glazed panel is securely secured and is pulled tightly to the outer frame, forming a sealing to minimise heat loss. Hinged windows are available as either top or side-hung and are also available as double-glazed. Our double-glazed windows provide enhanced acoustic performance and are available in 43dB,47dB or 51dB.
Casement windows are able open up and let in breezes at various angles. This is unlike the horizontal sash window, which has movable sashes within the frame, which slide horizontally. They can also be opened from the top and bottom to provide controlled ventilation. For this reason, they can increase airflow and provide an effective alternative to traditional windows with sash.
They are typically utilized in modern homes as they offer small "sightlines" and unobstructed views. They can also be incorporated into listed homes due to the fact that they do not require transoms or mullions. They're also a good option for those who live in areas that are difficult to reach since they can be opened by the turn of a handle.
The primary disadvantage of this type of window is that it can block off large openings, and could limit the use of certain window treatments. They can also be difficult to clean because they open outwards, and may require regular maintenance and servicing.
Lift Out Windows
Secondary glazing can be installed in a variety of ways and the cost will differ according to the type, thickness, and materials you choose for your frames and panes. upvc double glazed sash windows windows are typically the least expensive followed by aluminium, and then wooden window frames. Specialised glass can also increase the cost and also any additional features such as security or noise reduction.
Another aspect that can affect 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 historic properties with more intricate sash windows that require specialized knowledge and expertise.
The best way to start is to evaluate the condition of your current windows. A survey by an experienced professional will give you a precise estimate of what the price might be.
In general, secondary glazing will have little impact on the overall appearance of your home. This is due to the fact that modern FINEO double-glazing has slim and discreet frames, meaning you can attain thermal efficiency without compromising on aesthetics.
A popular option for secondary glazing is horizontal sliding, which provides easy access to your existing sash windows to clean or ventilation. It is also possible to get them with a tilt function which you can activate by unlocking the catch on the secondary glazing panel and then lifting it vertically to a preset point. This is a great option for windows that don't get opened very often. It can also be used to permit air conditioning access in bay windows. You can also use them to open the middle sash of a traditional Bay Window to create a more symmetrical appearance.