Secondary Glazing For Sash Windows
Many homeowners are unable add double glazing to their homes due to financial constraints or due to the fact that the building is listed and any modifications to the exterior are not permitted.
Secondary glazing for sash windows is a good alternative that can be put in using a variety of methods.
This is a double-paned glass that can be placed inside the frame of your window. It offers insulation and noise reduction, while blocking cold air from entering the home.
Fixed Inserts
If you're thinking of secondary glazing for your sash windows there are many different styles to choose from. Each style offers each of its own benefits ranging from increased security to less condensation. Which is the most effective choice for you?
The fundamental idea behind secondary glazing is to fit an extra pane of glass within the frame of your existing window. This creates an extra layer of soundproofing and insulation, which can greatly improve your home's energy efficiency.
It's not always possible to install double-glazed windows particularly if you live in classified as a historic property or you are bound by strict planning regulations that dictate what can and cannot be done to your exterior.
Secondary glazing is a great alternative in these situations. It can be installed relatively easily. It's also a popular choice for those looking to upgrade their old home without having to take down the original sash windows upvc windows and replace them with modern ones.
There are a number of different systems available for secondary glazing sash windows, each of can be customized 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 an existing sash window, meaning that shutters and sills can be kept.
These can be fitted using a variety of methods for installation, such as glazing clips or 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 often. Alternatively, you can opt for a fixed lift-out unit that can be lifted out and put back in its place with ease to allow your windows to be opened.
Horizontal Sliders
Horizontal Sliders offer excellent thermal insulation and are the most sought-after solution to improve the performance of existing sash windows. They are also quiet and are ideal for historic homes, conservation areas & listed properties. They can be installed in most cases without the need for access from outside as they are operated from inside.
They can be operated with a hand, and they can be left open or partially opened for ventilation. They are effective at preventing draughts, and they also filter harmful UV light. In summer they can be utilized together with a flyscreen to keep insects out and mosquitoes.
Our Trackglaze horizontal sliding systems offer all the benefits of modern double glazing to your original sash windows. It consists of PVC double sliding sash window tracks that run across all four sides of the cavity with the simple bristle seal that is placed around each glass sheet and finger pull angle handles to act as a handle and decrease bowing. It is available in kits of either 1m or 2m lengths of track and angle that can be joined to create larger spans.
Secondary glazing can have a significant effect on noise reduction, specifically for rail, road and airport traffic. The addition of laminated or toughened glass further enhances acoustic performance. Secondary glazing is a standard feature that can reduce outside noise by 52dB(Rw) and specialist glass such as Stadip Silence Laminated Acoustic Glass can achieve even higher 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 original sash windows and is installed in most cases without the need to remove the window or door frame.
Vertical Sliders
Secondary glazing is a cost-effective option that is usually less expensive than full window replacement. It's also suitable for Listed Buildings & Conservation Areas. It's the ideal option to upgrade sash windows in Suffolk & Essex with modern insulation benefits while retaining the character of older homes.
Vertical Sliders are designed especially for sash lock door handles windows where regular hinged panels aren't suitable. They feature two secondary sashes that are secured, one above the other, within an outer frame and are supported by robust spring balances that allow for effortless 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 comes with a glass to glass cavity within the window's original reveal, for optimal sound quality.
They can be fitted with a variety of handles and stop strips to suit the homeowner's preferences and can be used to prop open the top or bottom pane to let in air or placed in the closed position to provide security. They can be fitted with an insulation bristle to block draughts.
The 'Choices' vertical slider secondary glass has all the authentic wood detailing you'd expect to see in a window covering from the past. It is available in a variety of colours that are compatible with your sash. It's nearly impossible to tell apart from the original sash window with details like sash horns & traditional butt joints included in the design. It's available in a broad selection of sizes and will accept glass up to 6.8mm to give additional insulation against heat loss. The tilt-in feature allows the sashes of each window to be hinged inwards to make it easier for cleaning.
Hinged Casement
The single-pane hinged secondary glazing can be fitted to sash windows of any style such as traditional and casement sash. Our hinged units can be equipped with a keylock handle, and are manufactured with multi-point locking. This combination ensures that the glass panel is securely secured and is pulled tightly to the frame, forming a sealing to reduce loss of heat. Hinged windows can be purchased as either top or side hung and can also be constructed by double-glazing. Our double-glazed Windows provide enhanced sound insulation and are available in 43dB (for 47dB) or 51dB (for 51dB) or 47dB (for 49dB).
Unlike horizontal sash windows, which have movable sashes, slide horizontally within the frame casement windows are able to open outwards and let in breezes from different angles. They can also be opened from both the top and bottom to offer controlled airflow. This is why they can improve airflow and provide an effective alternative to traditional sash windows.
They are used in modern homes due to their small "sightlines" that permit unobstructed view, but they can also be incorporated in listed buildings since they do not require transoms or mullions. They are also a good option for areas that are difficult to access because they can be opened with the turn of a handle.
This kind of window could be a problem as it can restrict the use of certain window coverings. They are difficult to clean as they can swing outward. They may also require regular maintenance and care.
Lift Out Windows
Secondary glazing can be set up using a variety ways and the cost will vary depending on the type, thickness and materials you choose for your frames and panes. uPVC windows are usually the most affordable followed by aluminium, and finally wooden window frames. Specialised glass, as well any extra features such as security or sound reduction can also increase prices.
Another factor that will influence the cost is the complexity of the installation. The more complex the project is, the more time and labour will be required. This can also apply to older homes with more intricate sash windows that require specialist knowledge and expertise.
The best place to begin is by assessing the condition of your existing windows. You can get a precise estimate of the cost by having them examined by an expert.
Generally speaking, secondary glazing will have little impact on the overall look of your home. This is thanks to the fact that the modern FINEO double glazing is slim and discreet frame lines, so you can attain thermal efficiency without sacrificing aesthetics.
A popular option for secondary glazing is horizontal sliding, which gives an easy access to your existing sash windows for cleaning or ventilation. It is also possible to get them with a tilt function, which is activated by unlocking the catch on the secondary glazing panel and then lifting it vertically to a preset point. This is perfect for windows that don't get frequently opened. It can be used to provide air conditioning access to bay windows. You can even use them to open the middle sash of the traditional sash bay windows to create a more uniform look.