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Secondary Glazing For Sash Windows

Many homeowners are unable add double glazing to their homes because of financial limitations or due to the fact that the building is listed and modifications to the exterior are not permitted.

Secondary glazing is an excellent alternative to sash windows. It can be put in various ways.

It's an additional pane of glass within the existing window frame which prevents cold air from entering your home, while offering 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 has its own set of advantages, from improved security to reduced condensation. Which is the best choice for you?

The fundamental idea behind secondary glazing is to fit an additional glass into your existing window frame. This adds an additional layer of soundproofing and insulation which can greatly improve your home's energy efficiency.

However it's not always possible to add double-glazed windows for your home, especially if you live in a listed structure 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 installed relatively easily. It's a popular option for those looking to modernize their home without the need to replace the original sash window with an updated version.

There are many different systems available for secondary glazing sash windows, all of that can be adapted to fit your existing frame. The proprietary systems typically feature painted aluminium frames which are made to fit within the depth of a staff bead on an existing sash window, so that shutters and sills can still be retained.

They can be fitted with a variety of installation methods, like glazing clips or Velcro. They provide a more attractive solution than screw-fixed units, and are particularly suited to windows that don't need to be opened often. You can also opt for a fixed lift-out device that can be easily lifted out and reinstalled to open your windows.

Horizontal Sliders

Horizontal Sliders provide excellent thermal insulation and are the most well-known solution for improving existing windows made of sash. They are also very discreet and ideal for historic structures, conservation areas and listed properties. In the majority of cases, they are installed without access from outside because they are operated by the inside.

They can be operated with a hand, 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. They can be used in combination with a flyscreen to keep out mosquitoes and other insects during the summer months.

Trackglaze horizontal sliding systems offer all the benefits of double glazing for your original Sash window. It consists of PVC double sliding 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 that act as a handle and lessen bowing. It comes in kits of 1m or 2m track and angle that can be stacked together to create bigger spans.

Secondary glazing can have a significant impact on noise reduction, particularly for road, rail and airport traffic. The addition of laminated or toughened glass can further improve acoustic performance. Standard secondary glazing reduces outside noise to 52dB (Rw) and specialist glass, such as Stadip Silence Laminated Acoustic Glass can deliver even more impressive levels of acoustic efficiency.

It can boost the energy efficiency of your home by keeping your house warmer for longer and decreasing dependence on central heating. It is less expensive than replacing the original sash window, and can be installed without removing the frame.

Vertical Sliders

Secondary glazing is a cost-effective alternative 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 were specifically designed for use in sash windows where regular hinged panels are not suitable. They come with two secondary sashes that are secured to one sash above the other, within an outer frame. They 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) to improve thermal efficiency or a'reveal-fixed' version which is fitted with a glass to glass cavity inside the window reveal, for optimal sound quality.

You can choose from a variety of stop-strips and handles to meet your needs. They can be positioned in the closed position to provide extra security or propped open to allow ventilation on the top or bottom glass. They can also be fitted with an insulating bristle seal that can prevent draughts.

Imagine a vertical slider with 'Choices' secondary glazing has all the authentic timber detailing you'd expect from a period window treatment. It's also available in an array of colours to match your existing box sash window. It's nearly impossible to distinguish from the original sash windows, since features like sash horns as well as traditional butt joints are integrated into 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. A tilt-in option is available that allows the individual sashes of the frame to hinge towards the back of safety stays for easier cleaning.

Hinged Casement

Our single-pane hinged secondary glazing can be fitted to sash windows of any style, including traditional and casement sash windows refurbishment. Our hinged units are constructed with a secure multi-point locking system and are available with keys lock handles. This ensures that the glass panel is secured securely in place and pulls tightly against the frame creating a seal designed to minimise heat loss. Hinged windows are available as either side or top hung and can also be made as double-glazed. Our double-glazed windows provide enhanced sound insulation and are available in 43dB, 47dB or 51dB.

Unlike horizontal sash windows, which have movable sashes that slide horizontally within the frame casement windows can be opened outward and capture breezes from various angles. They can be opened both from the top and bottom to allow controlled ventilation. They can therefore increase airflow and offer a fantastic alternative to traditional sash window.

They are often employed in modern homes since they offer small "sightlines" and unobstructed views. They can also be fitted into listed homes because they don't require mullions or transoms. They can also be utilized in places that are difficult to reach since they can be opened by turning the 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 can also be difficult to clean since they swing outward and may require regular maintenance and service.

Lift Out Windows

Secondary glazing can be put in using a variety ways and the cost will vary according to the type, thickness and materials you choose for your frame and panes. uPVC frames are the least expensive followed by aluminium, and then wooden sash window frames. Specialized glass may also increase the cost and include additional features like security or sound reduction.

The complexity of the installation will impact the cost. The more complicated the project will take longer and more labor will be required. This is also true for heritage properties with more complex designs for sash windows.

Assessing the condition of existing windows is a good place to begin. You can get a precise estimate of the cost by having them inspected by a professional.

In general, secondary glazing has a minimal effect on the appearance of your home. This is due to the fact that modern FINEO double glazed sash window glazing has slim and discrete frames, meaning you can achieve thermal efficiency without sacrificing aesthetics.

A popular choice of secondary glazing is horizontal sliding, which allows an easy access to your existing sash windows to clean or ventilation. These are also available with a tilt function, which can be activated by releasing the catch and raising your secondary glazing panel vertically to a specified degree. This is a great option for windows that aren't opened very often. It can also be used to allow air conditioning access to bay windows. You can use them to open the middle sash in a traditional sash Bay Window to create a symmetrical appearance.