Secondary Glazing For Sash Windows
Many homeowners aren't able to install double glazing to their house due to financial constraints or because the structure is listed and any modifications to the exterior are forbidden.
Secondary glazing for windows made of sash is an excellent alternative that can be put in with a variety of ways.
It is made up of an additional pane of glass within the window frame that blocks cold air from entering your home, while providing insulation and noise reduction.
Fixed Inserts
There are a variety of styles of secondary glazing for Sash windows. Each style offers distinct advantages including increased security and less condensation. Which one is best for you?
The principle behind secondary glazing is to incorporate an additional glass pane within the frame of your existing window. This adds an additional layer of insulation and noiseproofing to your home, increasing its energy efficiency.
It's not always feasible to install double-glazed windows particularly if your house is an listed property or you are governed by strict planning regulations that dictate what can and cannot be done to your exterior.
Secondary glazing is a fantastic alternative in these instances. It can be installed relatively easily. It's also a popular option for those who want to modernize their period property without having to tear down the original windows with sash and replace window sashes them with new ones.
There are a number of different options available for secondary glazing sash windows, each one of can be customized to fit your existing frame. The proprietary systems are typically comprised 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 such as glazing clips and Velcro. These are more appealing than screw-fixed ones and are ideal for windows that don't need to be opened often. You can also opt for an unfixed lift-out unit that can be easily removed and reinstalled to allow you to open your windows.
Horizontal Sliders
Horizontal sliders are the most popular method of enhancing the appearance of a windows with sash. They are also very discreet and suitable for older structures, conservation areas and listed properties. They can be fitted with the need for external access since they operate from inside.
They can be operated manually and can be left open or partially opened for ventilation. They are extremely effective in stopping draughts and also have the added benefit of removing harmful UV light. In summer, they can be used with a flyscreen in order to keep out insects and mosquitoes.
Trackglaze horizontal sliding systems give all the advantages of double glazing for the original window sash. It comprises of pvc sash windows double sliding tracks on all four sides of the cavity with the simple bristle seal that is placed around each glass sheet and finger pull angle handles that serve as handles and lessen bowing. It is available in kits of either 1m or 2m lengths of track and angle that can be butted together to create larger spans.
Secondary glazing can have a significant impact on noise reduction, particularly for rail, road and airport traffic. The addition of toughened or laminated 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 performances.
It can increase the energy efficiency of your home by keeping it warm for longer. This will decrease the need for central heating. It is less expensive than replacing the original sash window, and can be installed without removing the existing frame.
Vertical Sliders
Secondary glazing is a cost-effective option which is often more manageable than full window replacement and is perfectly suitable for Listed Buildings & Conservation Areas. It's an excellent way to modernize traditional sash windows in Suffolk & Essex while retaining their character.
Vertical Sliders are designed especially for sash windows, where regular hinged panels don't work. They feature two secondary sashes that are secured to one sash over the other, within an outer frame and are supported by strong spring balances to allow for easy movement. The system is available as a face-fixed' (installed to the inside of the window) for increased thermal efficiency or a'reveal-fixed version, which is fitted with an air cavity for glass within the window's original reveal, for optimum sound quality.
You can choose from a variety of stop-strips and handles that match your preferences. They can be put in the closed position to provide additional security, or propped open for ventilation on the glass's top or bottom. They can also be fitted with an insulating bristle sealing device to prevent draughts.
Imagine a vertical slider with 'Choices' secondary glazing has the same authentic wood detailing you'd expect from an antique window treatment and comes in a variety of colors to match your existing sash. It's nearly impossible to distinguish from the original sash windows, since features like sash horns and traditional joints are integrated into the design. It is available in many sizes and can accept glass up to 6.8mm to add insulation to heat loss. The tilt-in feature allows the individual sashes of the window to be hinged upwards to make it easier for cleaning.
Hinged Casement
Our single-pane secondary glazing is able to be fitted on sash windows of any design, including traditional box flush sash windows and casement. Our hinged units are supplied with a keylock handle and are made with multi-point locking. This combination ensures that the glass panel is securely locked in place and pulls tightly to the outer frame, forming a seal to minimise heat loss. Hinged windows can be side-hung or top-hung, and they can also be double-glazed. Double-glazed windows offer enhanced acoustic performances and are available in 43dB (for 47dB) or 51dB (for 51dB) or 47dB (for 49dB).
In contrast to horizontal sash windows with movable sashes that slide horizontally within the frame, casement windows can be opened outwards and catch breezes from a variety of angles. They can also be opened from both the top and bottom to provide controlled airflow. This is why they can help improve airflow and offer an effective alternative to traditional sash windows.
They are commonly used in modern homes due to their slim "sightlines" which allow for unobstructed view, but they can also be put in listed buildings since they do not require transoms and mullions. They're also a great option for areas that are difficult to access since they can be opened with the turn of a handle.
The primary disadvantage of this kind of window is that it could block large openings and may restrict the use of certain window treatments. They are difficult to clean since they swing outward. They may also require regular maintenance and servicing.
Lift Out Windows
Secondary glazing can be put in using a variety ways and the price will vary depending on the type, thickness, and the materials you select for your frame and panes. uPVC windows are usually the least expensive followed by aluminium and finally wooden window frames. Specialized glass may also increase the cost, as well as any additional features such as security or sound reduction.
Another aspect that can affect the cost is the complexity of the installation. The more complex the project is, the more time and labour will be required. This is also true for heritage properties with more intricate design of sash windows.
Analyzing the condition of windows in use is a good way to start. A survey by an experienced professional will give you a precise idea of what the costs might be.
In general, secondary glazing will have a minimal impact on the overall look of your home. This is due to the fact that the modern FINEO double-glazing has slim and discrete frames, meaning you can attain thermal efficiency without sacrificing aesthetics.
A very popular choice for secondary glazing is horizontal sliding, which allows an easy access to your existing sash windows for cleaning or ventilation. These windows also come with a tilt function, which is activated by opening the catch and lifting your secondary glazing panel vertically to a specified level. This is ideal for windows that aren't used often and can be used to allow access to air cooling in bay windows. It is also possible to use them to open the middle sash on an old-fashioned sash bay window to create a more symmetrical look.