Secondary Glazing For Sash Windows

Many homeowners are unable to add new double glazing to their homes, either because of financial limitations or because they reside in listed buildings that prohibit any exterior changes.

Secondary glazing for sash windows is a good alternative and can be installed using a variety of methods.

This product is a double-paned window that fits into the frame of your window. It offers insulation and noise reduction, while blocking cold air from entering your home.

Fixed Inserts

There are a variety of styles of secondary glazing available for sash windows refurbishment windows. Each offers a unique set of benefits, from increased security to less condensation. Which one is the best option for you?

The basic idea behind secondary glazing is to install an additional glass pane within the frame of your existing window. This provides an additional layer of insulation and noiseproofing to your home, enhancing its energy efficiency.

However it's not always possible to add new double-glazed windows to your home, especially if you live in a listed building or are subject to strict planning regulations that define what can and cannot be done to your exterior.

In these cases secondary glazing is an excellent alternative that can be installed with ease. It's a popular option for those looking to update their period home without the need to replace the original sash window with a more modern version.

There are a variety of different options for secondary glazing sash windows, each one of that can be adapted to fit your existing frame. Proprietary systems are usually constructed of painted aluminium frames that fit into the existing staff bead depth on the sash window. This allows sills and shutters to remain.

These can be fitted with a variety of installation methods, including glazing clips or 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 often. You can also opt for a fixed lift-out unit that can be lifted out and put back in its place with ease to allow windows to be opened.

Horizontal Sliders

Horizontal sliders are the most popular method of enhancing the appearance of a sash window. They are also quiet and suitable for older homes as well as conservation areas and listed properties. They can be installed in the majority of cases without the need for external access as they are operated from inside.

They are easy to operate using a hand, and can be open wide or left partially open for ventilation. They are very effective in eliminating draughts and have the added benefit of filtering out harmful UV light. In the summer, they can be used with a flyscreen to keep insects out and mosquitoes.

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

The acoustic advantages of Secondary Glazing Sash Window glazing are extremely significant and it can significantly reduce noise from outside, especially road, rail & airport traffic. The inclusion of laminated glass or toughened glasses enhances the acoustic performance. Secondary glazing that is standard can reduce outside noise to 52dB(Rw), and specialist glass like Stadip Silence Laminated Acoustic Glass can deliver even higher levels of acoustic performance.

It can improve the energy efficiency of your home by keeping your house warmer for longer and decreasing dependence on central heating. It is much cheaper than replacing your sash windows and is installed without the need to remove the existing window or door frame.

Vertical Sliders

Secondary glazing is a cost effective alternative that is usually more manageable than full window replacement. It is also suitable for Listed Buildings & Conservation Areas. It's the ideal option for upgrading traditional windows made of sash in Suffolk & Essex with modern insulation benefits, while maintaining the character of older homes.

Vertical Sliders are designed especially for sash windows, where regular hinged panels aren't appropriate. They feature two secondary sashes which are secured, one over the other, within an outer frame. They are supported by strong spring balances that allow for effortless movement. The system can be put on the inside of a window to provide better thermal performance or equipped with a space between the frame and the glass for optimum acoustic properties.

They can be equipped with a variety of stops and handles to accommodate the preferences of the homeowner by allowing the bottom or top pane for ventilation, or they can be fixed in an open position for additional security. They can also be fitted with an insulating bristle seal that can stop drafts.

Imagine vertical sliders in 'Choices' secondary glazing comes with all the authentic timber detailing you'd expect from an antique window treatment. It's available in a variety of colors to match your existing sash. It's almost impossible to distinguish from the original sash windows, as details such as sash horns and traditional butt joints are integrated into the design. It is available in various sizes and can take glass up to 6.8mm to provide additional insulation against loss of heat. A tilt-in option is also available that allows the individual sashes to hinge inward on safety stays to help with cleaning.

Hinged Casement

The single-pane hinged secondary glazing can be incorporated into sash windows of any style including traditional and casement box sash windows. Our hinged units are supplied with a keylock handle, and are constructed with multi-point locking. This will ensure that the glass panel is securely locked in place and is pulled tightly to the outer frame, forming a sealing to reduce heat loss. Hinged windows can be side-hung or top-hung, and they can also be double-glazed. Our double-glazed Windows provide enhanced acoustic performances and are available in 43dB (for 47dB) and 51dB (for 51dB) or 47dB (for 49dB).

In contrast to horizontal sash windows which have movable sashes, slide horizontally within the frame, casement windows are able to open outwards and let in breezes from various angles. They can also be opened from the top and bottom to offer controlled airflow. They can therefore increase airflow and offer a fantastic alternative to traditional sash window locks windows.

They are used in modern homes due to their narrow "sightlines" which allow for unobstructed view, but they can also be installed in listed homes since they don't require transoms and mullions. They can also be utilized in places that are difficult to reach since they can be opened by turning a handle.

This kind of window could be a disadvantage because it could limit the use of certain window treatments. They are difficult to clean as they open outwards. They may also require regular maintenance and service.

Lift Out Windows

Secondary glazing can be installed using a variety methods. The cost will vary according to your choice of materials such as thickness, thickness and kind of glass. UPVC windows are generally the least expensive followed by aluminium and then wooden window frames. Specialised glass, as well any extra features such as security or sound reduction could also increase prices.

The complexity of the installation will also influence the cost. The more complicated the project is, the more time and labor will be required. This also applies to heritage properties with more intricate sash windows that require specialist knowledge and expertise.

Analyzing the condition of windows in use is a good place to start. The survey conducted by a skilled professional will give you an accurate estimate of what the price might be.

In general, secondary glazing will have a minimal impact on the overall appearance of your home. Modern FINEO double-glazing features slim and distinct frame lines. This allows you to achieve thermal efficiency without compromising aesthetics.

The horizontal sliding secondary glazing is popular because it allows easy access to the sash window to clean or for ventilation. You can also get them with a tilt function, which is activated by unlocking the catch on the secondary glazing panel and then lifting it vertically to a preset point. This is a great option for windows that don't open often and is a great way to make it easier to access air conditioning in bay windows. You can also use them to open the middle sash of a traditional Bay Window to create a more symmetrical appearance.