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Secondary Glazing For Sash Windows

Many homeowners aren't able to install double glazing to their home, either due to financial constraints or due to the fact that the building is listed and modifications to the exterior are not permitted.

Secondary glazing is a great alternative to sash windows and can be put in various ways.

It consists of an extra glass pane inside the window frame that blocks cold air from entering your home, while also providing insulation and noise reduction.

Fixed Inserts

If you're thinking of secondary glazing for your sash windows, there are many different styles you can pick from. Each style has distinct advantages including increased security and reduced condensation. But which is the best option for you?

The principle behind secondary glazing is to fit an additional glass into your existing window frame. This adds an additional layer of insulation and noiseproofing your home, enhancing its energy efficiency.

However it's not always feasible to add double-glazed windows to your property particularly 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.

In these situations, secondary double glazing for sash windows glazing is a great alternative that can be put in easily. It's also a popular option for people looking to update their home without having to take down the original windows with sash and replace them with modern ones.

There are many different systems available for secondary glazing sash windows (browse this site), each of which is configurable to suit the frame you have. Proprietary systems are usually made of painted aluminum frames that fit into the existing depth of the staff bead on windows with sash. This lets shutters and sills be kept.

They can be fitted with a variety of installation methods, like glazing clips or Velcro. These offer a more aesthetic solution to screw-fixed units and are especially suited for windows that aren't required to be opened frequently. You can also opt for an unfixed lift-out unit that can be easily lifted out and then reinstalled to open your windows.

Horizontal Sliders

Horizontal sliders are the most popular method to enhance the appearance of your windows. They are also quiet and ideal for historic properties, conservation areas & listed property. In most cases, they are installed without external access because they operate by the inside.

They are simple to operate using a hand, and can be open wide or left partially open for ventilation. They are effective at preventing draughts, and they also block harmful UV light. In summer they can be utilized together with a flyscreen to keep out insects and mosquitoes.

Trackglaze horizontal sliding systems give all the benefits of double glazing for your traditional window sash. It is comprised of PVC double sliding track on all four sides of the cavity with a brush seal around each sheet of glass and a handle for a finger pull angle to function as a hand, reducing bowing. It is available in kits of either 1m or 2m lengths of track and angle that can be joined to make larger spans.

The acoustic benefits of second glazing are extremely important and can reduce noise from outside, particularly the airport, rail and road traffic. The addition of laminated glass or toughened glasses further improves the acoustic performance. Standard secondary glazing reduces outside noise to 52dB (Rw) and specialist glass, like Stadip Silence Laminated Acoustic Glass can deliver even higher levels of acoustic performance.

It can boost the energy efficiency of your home by keeping your house warmer for longer and reducing reliance 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 option that is often more manageable than a complete window replacement. It's suitable for Listed Buildings & Conservation Areas. It's a great option for upgrading traditional sash windows in Suffolk & Essex with modern insulation benefits, while maintaining the character of older homes.

Vertical Sliders are specially designed for sash windows, where regular hinged panels aren't appropriate. They have two secondary sashes that are secured, one over the other, within an outer frame and are supported by robust spring balances to allow 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 comes with an air cavity for glass, within the original window reveal, for optimum sound quality.

They can be equipped with a variety of handles and stop strips to meet the needs of the homeowner by allowing the top or bottom pane to allow for ventilation or secured in the closed position to provide security. They can also be equipped with an insulating bristle sealing device to stop drafts.

'Choices' Imagine vertical slider secondary glazing has all the timber-like details you'd expect from an antique window treatment. It's also available in an array of colours to match your existing sash. It is almost impossible to distinguish from original sash windows, as details like sash horns as well as traditional butt joints are incorporated into the design. It's available in a broad variety of sizes and can accept glass up to 6.8mm to add insulation to prevent heat loss. A tilt-in option is also available allowing the individual sashes to hinge inward on safety stays to aid in cleaning.

Hinged Casement

Our single-pane hinged secondary glazing can be incorporated into windows in sash of any design including casement and traditional box sash windows new sash windows. Our hinged units are supplied with a keylock handle, and are manufactured with multi-point locking. This ensures that the glass panel is secured securely in place and is pulled close to the frame, creating a seal to minimise heat loss. Hinged windows can be side-hung or top-hung and can be double-glazed. Our double-glazed windows provide enhanced acoustic performance and are available in 43dB,47dB or 51dB.

Casement windows are able open outwards and catch breezes at different angles. This is in contrast to a the horizontal sash window, that has movable sashes inside the frame that move horizontally. They can also be opened from both the top and bottom for controlled ventilation. They are therefore able to improve airflow and are a great alternative to traditional sash windows.

They are popular in modern homes due to their slim "sightlines" which allow for clear views, however they can also be put in listed homes since they do not require transoms and mullions. They're also a great option for those who live in areas that are difficult to reach as they can be opened by the twist of a handle.

The main drawback of this kind of window is that it can block large openings and limit the use of certain window treatments. They can be difficult to clean as they swing outwards. They may also require regular maintenance and care.

Lift Out Windows

Secondary glazing can be put in place by a variety of methods. The cost will differ according to your choice of materials such as thickness, thickness and kind of glass. Upvc frames are the most expensive, followed by aluminium and wooden frames. Specialised glass, along with any extra features such as security or sound reduction can also raise prices.

Another factor that affects the cost is the complexity of the installation. The more complex the project is, the more time and labour it will take. This also applies to heritage properties with more complex sash windows, which require expertise and knowledge.

A good place to start is to assess the condition of your existing windows. You can get an accurate estimate of the cost by having them examined by a professional.

Generally speaking, secondary glazing will have little impact on the overall appearance of your home. This is due to the fact that the modern FINEO double-glazing has sleek and subtle frames, meaning you can attain thermal efficiency without compromising on aesthetics.

A very popular choice for secondary glazing is horizontal sliding, which provides easy access to windows that are already sash for cleaning or ventilation. These are also available with a tilt feature, which can be activated by opening the catch and raising the secondary glazing panel vertically up to a certain degree. This is a great option for windows that aren't used often and can be used to allow access to air conditioning in bay windows. You can also use them to open the middle sash of a traditional sash Bay Window to create a symmetrical appearance.