Secondary Glazing For Sash Windows
Many homeowners are not able to add double glazing to their home 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 with a variety of ways.
It consists of an extra pane of glass inside the window frame, which blocks cold air from getting into your home, as well as offering insulation and noise reduction.
Fixed Inserts
There are a variety of styles of secondary glazing that are available for Sash windows. Each comes with its own set of benefits, from increased security to less condensation. Which is the best choice for you?
The principle behind secondary glazing is to install an extra pane of glass inside the window frame. This adds an additional layer of insulation and soundproofing, which can significantly improve your home's energy efficiency.
However it's not always feasible to add double-glazed windows to your home particularly if you reside in a listed structure or are subject to strict planning regulations which dictate what can and cannot be done to your exterior.
In these situations secondary glazing is an excellent alternative that can be installed with ease. It's a popular option for those who want to update their period home without having to replace the original sash window with a more modern version.
There are a number of different options available for secondary glazing sash windows - official website -, all of can be customized to fit your frame. Proprietary systems are generally made of painted aluminum frames that fit the existing staff bead depth on a sash window. This lets shutters and sills be retained.
They can be installed with a variety of installation methods, including glazing clips and Velcro. These are more appealing than screw-fixed units and are ideal for windows that don't need to be opened often. You can also opt for a fixed lift-out device that can be easily removed and reinstalled to allow you to open your windows.
Horizontal Sliders
Horizontal Sliders offer excellent thermal insulation and are the most sought-after solution for improving existing windows made of sash. They are also very discrete 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 they can be left open or partially opened to allow ventilation. They are effective at keeping out draughts, and also block harmful UV light. In summer they can be paired with a flyscreen to keep insects out and mosquitoes.
Our Trackglaze horizontal sliding sash window system provides all the advantages of modern double glazing to your traditional sash windows. It is comprised of pvc sash windows double sliding track on all four sides of the cavity with a brush seal around each sheet of glass and finger pull angle handle to function as a hand and reduce bowing. It is available in kits of 1m or 2m track and angle that can be put 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 laminated or toughened glass further enhances the acoustic quality. Standard secondary glazing reduces outside noise to 52dB (Rw) and special glass, like Stadip Silence Laminated Acoustic Glass, can achieve even higher levels of acoustic performance.
It can boost the efficiency of your house by keeping it warmer longer. This will reduce the use of 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 that is usually more manageable than full window replacement. It's also suitable for Listed Buildings & Conservation Areas. It's the ideal option to replace windows made of sash in Suffolk & Essex with modern insulation benefits while keeping the traditional look 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 over the other inside an outer frame. They are supported by spring balances, allowing 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 has a glass-to-glass cavity inside the window reveal, to ensure optimal acoustic performance.
You can pick from a range of stop-strips and handles to match your preferences. They can be put in a closed position for extra security or propped open to allow ventilation on the glass's top or bottom. They can be equipped with an insulation bristle to block draughts.
'Choices' Imagine vertical slider secondary glazing comes with all the authentic timber detailing you'd expect from a vintage window treatment. It's available in an array of colours to match your existing sash. It's nearly impossible to differentiate from the original sash window with features like the sash's horns and traditional butt joints incorporated into the design. It comes in a variety of sizes and can accept glass up to 6.8mm for additional insulation against heat loss. A tilt-in option is available that allows the individual sashes to hinge into the safety stays for easier cleaning.
Hinged Casement
Our single-pane secondary glass can be fitted on sash windows of any style, including traditional box sash and casement. The hinged units we offer can be equipped with a keylock handle and are made with multi-point locking. This ensures that the glazed panel is locked securely in place and pulls close to the frame, creating a seal to reduce heat loss. Hinged windows can be side-hung or top-hung and can be double-glazed. Double-glazed windows offer enhanced sound insulation and are available in 43dB, 47dB or 51dB.
In contrast to horizontal sash windows which have movable sashes, slide horizontally within the frame casement windows can open outwards and let in breezes from different angles. They can also be opened from the top and bottom to offer controlled ventilation. Because of this, they can help improve airflow and are a viable alternative to traditional windows with sash window replacement.
They are typically employed in modern homes since they have small "sightlines" and unobstructed views. However, they can also be incorporated into listed homes because they don't require transoms or mullions. They're also a great option for areas that are difficult to access because they can be opened with the flick of the handle.
This kind of window could be a drawback since it could limit the use of certain window treatments. They can be difficult to clean since they can swing outwards. They may also require regular maintenance and care.
Lift Out Windows
Secondary glazing can be set up using a variety ways and the price will vary according to the thickness, type and materials you choose for your frames and panes. Upvc frames are the most expensive, followed by aluminium and then wooden frames. Specialized glass can also add to the cost, as well as any extra features, such as sound reduction or security.
The complexity of the installation will also impact the cost. The more complicated the project, the more time and labour will be required. This is also applicable to older properties with more complex design of sash windows.
Examining the condition of your windows that are in use is a good place to begin. Having them surveyed by a skilled professional will give you an accurate estimate of what the price could be.
In general, secondary glazing has little effect on the look of your home. This is due to the fact that modern FINEO double glazing is slim and discreet frame lines, which means you can get the most efficient thermal performance without sacrificing aesthetics.
The horizontal sliding secondary glazing is a popular choice because it permits easy access to the existing sash window for cleaning 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 set point. This is a great option for windows that don't get opened often. It can be used to provide air conditioning access to bay windows. You can use them to open the middle sash of a traditional Bay Window to create a more symmetrical appearance.