Secondary Glazing For Sash Windows
Many homeowners are not able to add double glazing to their home, either due to financial constraints or due to the fact that the building is listed and any modifications to the exterior are forbidden.
Secondary glazing for windows with sash is a great alternative and can be installed using a variety of methods.
It is made up of an additional pane of glass inside the existing window frame which blocks cold air from entering your home, as well as offering 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 style offers distinct advantages ranging from increased security to less condensation. Which is the best choice for you?
The basic premise of secondary glazing is the installation of an additional pane of glass within your window frame. This creates an extra layer of insulation and soundproofing, which can dramatically improve the energy efficiency of your home.
However it's not always feasible to install new double-glazed windows for your home particularly if you live in a listed building 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 put in fairly easily. It's also a popular choice for people looking to update their old home without the need to tear down the original windows in sash and replace them with contemporary ones.
There are a variety of different options for secondary glazing sash windows, each of can be customized to fit your existing frame. Proprietary systems usually have painted aluminium frames which are designed to fit within the depth of a staff bead an existing sash window, so that shutters and sills can still be retained.
They can be fitted using 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 need to be opened frequently. Alternately, you can choose a fixed lift out unit that can be lifted out and then put back in its place with ease to allow 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 windows with sash. They are also discreet and suitable for older homes as well as conservation areas and listed property. They can be fitted in most cases without the need for access from outside because they are operated from inside.
They can be operated manually, and they can be left open or partially closed for ventilation. They are extremely effective in eliminating draughts and they also have the benefit of blocking harmful UV light. They can be used in combination with a flyscreen to ward off mosquitoes and other insects during summer months.
Our Trackglaze horizontal sliding system provides all the advantages of modern double glazing to your original sash windows. It consists of PVC double sliding tracks on all four sides of the cavity, the simple bristle seal that is placed around each glass sheet and finger pull angle handles to serve as handles and decrease bowing. It comes in kits with 1m or 2m of track and angle that can be put together to create larger spans.
The acoustic benefits of secondary glazing are very significant and can dramatically improve noise reduction from outside especially the airport, rail and road traffic. The use of laminated glass or toughened glasses further improves the acoustic performance. Standard secondary glazing can reduce outside noise to 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 it warmer for longer and reducing reliance on central heating. It is much cheaper than replacing your old 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's suitable for Listed Buildings & Conservation Areas. It's a great option to replace windows made of sash in Suffolk & Essex with modern insulation benefits while keeping the charm of older homes.
Vertical Sliders are specially designed for windows with sash openings where standard hinged panels don't work. The system is comprised of two secondary sashes, which are secured one above one within an outer frame. They are supported by spring balances, allowing for ease of movement. The system can be purchased as a 'face-fixed' (installed to the inside of the existing window) to improve thermal efficiency or a'reveal-fixed' version which is fitted with an air cavity for glass, within the original window reveal, to ensure optimal sound quality.
They can be equipped with a variety of handles and stop strips to meet the needs of the homeowner, propping open either the bottom or top pane to let in air, or they can be fixed in the closed position to provide security. They can be equipped with an insulation bristle to block draughts.
'Choices’ Imagine vertical slider secondary glass comes with the same authentic wood details you'd expect to find in a period window. It comes in a range of colors that match your existing sash. It's nearly impossible to distinguish from the original sash window, with details such as sash horns and traditional butt joints included in the design. It comes in a variety of sizes and can accept glass up to 6.8mm to provide additional insulation against loss of heat. A tilt-in option is also available to allow the individual sashes to hinge inward on safety stays for easier cleaning.
upvc sash repairmywindowsanddoors.co.uk -pane secondary glass can be fitted on sash windows in any style, including traditional box sash and casement. Our hinged units can be equipped with a keylock handle and are constructed with multi-point locking. This ensures that the glazed panel is locked in place and is pulled tightly to the frame, forming a seal to minimise loss of heat. Hinged windows can be purchased as either top or side-hung and are also available with double-glazed. Our double-glazed Windows provide enhanced sound insulation and are available in 43dB (for 47dB) and 51dB (for 51dB) or 47dB (for 49dB).
Casement windows can open to the outside and catch breezes at various angles. This is unlike horizontal sash window, with movable sashes in the frame, which slide horizontally. They can also be opened from the top and bottom for controlled airflow. They also improve airflow, and offer a fantastic alternative to traditional sash windows.
They are used in modern homes due to their narrow "sightlines" that permit an unobstructed view. However, they can also be installed into listed properties because they don't require transoms or mullions. They're also a good choice for hard-to-reach areas since they can be opened with the turn of the handle.
The primary drawback to this kind of window is that they can block off large openings and limit the use of certain window treatments. They can be difficult to clean as they open outwards. They may also require regular maintenance and service.
Lift Out Windows
Secondary glazing can be set up with a variety of methods and the cost will differ depending on the type, thickness and materials you choose for your panes and frame. uPVC windows are usually the most affordable, followed by aluminium and then wooden window frames. Specialized glass, in addition to any additional features like security or sound reduction could also increase prices.
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 also applies to heritage properties with more intricate sash windows that require expertise and knowledge.
Examining the condition of your windows in use is a good way to begin. You can get an accurate estimate of the cost by having them inspected by professionals.
Generally speaking, secondary glass will have little impact on the overall appearance of your home. Modern FINEO double-glazing has slim and distinct frame lines. This lets you improve thermal efficiency without sacrificing aesthetics.
The horizontal sliding secondary glazing is a popular choice because it permits easy access to the existing sash window to clean or for ventilation. These windows also come with a tilt function, that can be activated by unlocking the catch and lifting the secondary glazing panel vertically to a predetermined level. This is great for windows that don't open often and can be used to make it easier to access air cooling in bay windows. They can be used to open the middle sash of a traditional sash Bay Window to create a more symmetrical appearance.