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Secondary Glazing For Sash Windows

Many homeowners are not able to add double glazing to their home due to financial constraints or because the building is listed and 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 is made up of an additional pane of glass within the window frame, which blocks cold air from getting into your home, while providing insulation and noise reduction.

Fixed Inserts

If you're thinking of secondary glazing for your sash windows there are many different styles to choose from. Each style comes with each of its own benefits including increased security and reduced condensation. But which is the best choice for you?

The basic idea behind secondary glazing is to incorporate an additional glass pane within the frame of your existing window. This adds an additional layer of soundproofing and insulation, which can greatly increase the efficiency of your home's energy use.

However it's not always possible to install new double-glazed windows for your home, especially if you live in a listed building or are subject to strict regulations regarding planning which dictate what can and can't be done to your exterior.

Secondary glazing is a great alternative in these instances. It can be installed relatively easily. It's a popular option for those who want to modernize their home without the need to replace window sashes the original sash window an updated version.

There are a variety of different systems available for secondary glazing sash windows, each of which is configurable to suit your existing frame. Proprietary systems are generally comprised of painted aluminum frames that fit the existing depth of the staff bead on a sash window. This allows shutters and sills to be kept.

They can be equipped with a variety of installation methods, including glazing clips or Velcro. These offer a more aesthetic solution to screw-fixed units and are ideally suited to 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 place with ease to allow your windows to be opened.

Horizontal Sliders

Horizontal sliders are the most sought-after method of enhancing the appearance of a windows. They are also very discreet and ideal for historic buildings, conservation areas & listed properties. They can be installed in most cases without the need for external access because they are operated from inside.

They are easy to operate by hand and can be opened wide or left partially open to allow for ventilation. They are effective in keeping out draughts, and also block harmful UV light. They can be combined with a flyscreen to keep out mosquitoes and other insects during the summer months.

Our Trackglaze horizontal sliding system offers all the advantages of modern double glazing to your traditional sash window restoration windows. It consists of PVC double sliding tracks on the four sides of the cavity with an easy bristle seal around each glass sheet and finger pull angle handles that serve as handles and decrease bowing. It is available in kits of 1m or 2m of track and angle that can be put together to create bigger spans.

Secondary glazing can have a significant effect on noise reduction, particularly for rail, road and airport traffic. The use of laminated glass or toughened glasses improves the acoustic performance. Standard secondary double glazing for sash windows glazing reduces outside noise to 52dB (Rw) and special glass, like Stadip Silence Laminated Acoustic Glass can provide even higher levels of acoustic performance.

It can boost the efficiency of your home by keeping it warmer for longer and decreasing dependence on central heating. It's much less expensive than replacing your original sash windows and can be installed in most cases without the need to remove the existing window or door frame.

Vertical Sliders

Secondary glazing is an affordable option that is typically simpler to manage than a full window replacement. It is also suitable for Listed Buildings & Conservation Areas. It's a great option to upgrade sash windows in Suffolk & Essex with modern insulation benefits, while maintaining the character of older homes.

Vertical Sliders are specifically designed for windows with sash window locks openings where standard hinged panels don't work. They come with two secondary sashes which are secured to one sash above the other, inside an outer frame and are supported by strong spring balances that allow for effortless movement. The system can be purchased as a 'face-fixed' (installed to the inside of the window) to improve thermal efficiency or a'reveal-fixed version that has a glass-to-glass cavity, within the original window reveal, to ensure optimal audio-acoustic performance.

You can pick from a variety of handles and stop-strips to meet your needs. They can be fixed in a closed position for additional security or propped open for ventilation on the top or bottom glass. They can also be fitted with an insulation bristle to stop draughts.

'Choices’ Imagine vertical slider secondary glass comes with all the authentic wood detailing you'd expect to see in a period window treatment. It is available in a variety of colors that will match your existing sash. It's nearly impossible to distinguish from the original sash windows, as details 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 for additional insulation against loss of heat. 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 secondary glass can be installed on sash windows of any style including traditional box sash and casement. Our hinged units can be equipped with a keylock handle and are made with multi-point locking. This combination ensures the glazed panel is locked securely in place and is pulled tight to the outer frame, creating a seal to reduce heat loss. Hinged windows are available either side or top hung and can also be made with double-glazed. Double-glazed windows offer enhanced acoustic performance and are available in 43dB, 47dB or 51dB.

Contrary to horizontal sash windows with movable sashes that slide horizontally within the frame casement windows can be opened outwards and let in breezes from a variety of angles. They can be opened both from the top and bottom to allow controlled ventilation. They also increase airflow and are a great alternative to traditional sash windows.

They are popular in modern homes due to their slim "sightlines" which allow for an unobstructed view. However, they can also be installed in listed homes since they do not require mullions and transoms. They can also be utilized in hard-to-reach places as they are easily opened by turning the handle.

This kind of window can be a problem as it may limit the use of certain window coverings. They can also be difficult to clean as they open outwards, and may require regular maintenance and service.

Lift Out Windows

Secondary glazing can be installed 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 other features such as security or sound reduction could also increase prices.

The complexity of the installation will impact the cost. The more complicated the project is, the more time and labour will be required. This can also apply to heritage properties with more intricate sash windows that require expertise and knowledge.

Examining the condition of your windows in use is a good place to start. You can get a reliable estimate of the cost by having them inspected by a professional.

Generally speaking, secondary glazing will have minimal impact on the overall look of your home. Modern FINEO double-glazing features thin and discrete frame lines. This lets you improve thermal efficiency without sacrificing aesthetics.

A popular choice of secondary glazing is horizontal sliding, which allows an easy access to your existing sash windows for cleaning or ventilation. These are also available with a tilt feature which is activated by opening the catch and lifting the secondary glazing panel vertically to a predetermined level. This is perfect for windows that aren't frequently opened. It can also be used to permit air conditioning access in bay windows. They can be used to open the middle sash in a traditional sash Bay Window to create a symmetrical appearance.