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Secondary Glazing For Sash Windows

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

Secondary glazing for windows made of sash is an excellent alternative and can be installed with a variety of ways.

It's an additional glass pane inside the existing window frame which prevents cold air from entering your home, as well as providing insulation and noise reduction.

Fixed Inserts

There are many different styles of secondary glazing available for sash windows. Each style has distinct advantages including increased security and reduced condensation. Which one is best for you?

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

It's not always feasible to install double-glazed windows particularly if you live in a listed property or you are bound by strict planning regulations dictating what can and cannot be done to your exterior.

In these situations secondary glazing is a fantastic alternative that can be put in with relative ease. It's a popular choice for those who wish to modernize their home without the need to replace the original sash window a modern one.

There are many different options available for secondary glazing sash windows, all of can be customized to fit the frame you have. Proprietary systems are generally constructed of painted aluminum frames that fit into the existing staff bead depth on a sash window. This allows shutters and sills to remain.

They can be fitted with a variety of installation methods, such as glazing clips or Velcro. These units are more attractive than screw-fixed units and are ideally suited to windows that don't need to be opened frequently. Alternatively, you can opt for a fixed lift out unit, which can be lifted out and then put back in place with ease to allow windows to be opened.

Horizontal Sliders

Horizontal Sliders offer excellent thermal insulation and are the most well-known solution for improving existing windows made of sash. They are also discrete and are ideal for historic homes as well as conservation areas and listed properties. They can be installed in most cases without the need for access from outside as they are operated from inside.

They are easy to operate with a hand and can be opened wide or left partially open for ventilation. They are effective at stopping draughts and also block harmful UV light. They can be used in combination with a flyscreen to ward off mosquitoes and other insects during the summer months.

Trackglaze horizontal sliding systems provide all the benefits of double glazing for the original sash window. It consists of PVC double sliding tracks on all four sides of the cavity, an easy bristle seal around each glass sheet, and finger pull angle handles to act as a handle and reduce bowing. It comes in kits with 1m or 2m of track and angle that can be put together to create larger spans.

Secondary glazing can have a significant effect on noise reduction, especially for road, rail and airport traffic. The addition of laminated glass or toughened glasses enhances the acoustic performance. Standard secondary glazing sash windows glazing can reduce outside noise to 52dB(Rw) and specialized glass like Stadip Silence Laminated Acoustic Glass can achieve even higher levels of acoustic performance.

It can boost the energy efficiency of your home by keeping it warmer for longer. This can reduce your reliance on central heat. It is less expensive than replacing your old sash windows and can be installed almost everywhere without the need to remove the window or door frame.

Vertical Sliders

Secondary glazing is a cost-effective option that is often simpler to manage than a full window replacement. It is suitable for Listed Buildings & Conservation Areas. It's an excellent way to modernize traditional sash windows in Suffolk & Essex while retaining their distinctive character.

Vertical Sliders were developed to be used in sash window applications in which hinged panels from the standard range aren't suitable. The system features two secondary sashes, which are secured one over the other inside an outer frame. They are supported by spring balances to allow for easy movement. The system can be purchased as a 'face-fixed' (installed to the inside of the existing window) for improved thermal efficiency or a'reveal-fixed version, which has a glass-to-glass cavity, within the original window reveal, to ensure optimal audio-acoustic performance.

They can be equipped with a variety of handles and stop strips to accommodate the preferences of the homeowner and can be used to prop open the top or bottom pane to let in air or placed in an open position for additional security. They can be equipped with an insulation bristle to stop drafts.

The 'Choices' Imagine vertical slider secondary glass features all the authentic wood detailing you'd expect to see in a period window treatment. It comes in a variety of colours that are compatible with your sash. It's difficult to distinguish from the original sash window with features like sash horns & traditional butt joints being incorporated 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. The tilt-in option permits the individual sashes of the window to be hinged upwards on safety stays for easier cleaning.

Hinged Casement

Our single-pane hinged secondary glass can be fitted to windows in sash of any design including casement and traditional box timber sash window. Our hinged units are constructed with secure multi-point locking and are available with keys and a handle for the lock. This will ensure that the glazed panel is locked securely in place, and it pulls tight to the outer frame, forming a seal to reduce heat loss. Hinged windows can be purchased as either top or side hung and can also be made by double-glazing. Double-glazed windows provide better sound insulation and are available in 43dB (for 47dB) or 51dB (for 51dB) or 47dB (for 49dB).

In contrast to horizontal sash windows with movable sashes that 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 both the top and bottom for controlled ventilation. They are therefore able to increase airflow and offer a fantastic alternative to traditional sash windows.

They are typically used in modern homes because they have small "sightlines" and unobstructed views. They can also be fitted into listed homes due to the fact that they do not require transoms or mullions. They're also a good option for areas that are difficult to access because they can be opened by the turn of a handle.

This kind of window could be a disadvantage because it can restrict the use of certain window treatments. They are also difficult to clean since they swing outward and could require regular maintenance and service.

Lift Out Windows

Secondary glazing can be set up in a variety of ways and the cost will differ depending on the type, thickness, and materials you select for your frames and panes. UPVC frames are the cheapest expensive followed by aluminium, and then wooden sash windows frames. Specialised glass, as well any additional features like security or sound reduction could also increase prices.

The complexity of the installation will also impact the cost. The more complex the project, the more time and labour will be required. This is especially applicable to older properties with more intricate designs for sash windows.

The best way to start is to assess the condition of your current windows. You can get a reliable estimate of the cost by having them inspected by an expert.

In general secondary glazing can have an insignificant impact on the 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 easy access to existing sash windows for cleaning or ventilation. They can also be purchased with a tilt function which is activated by unlocking the catch on your secondary glazing panel and then lifting it vertically to a preset point. This is perfect for windows that don't get opened often. It can also be used to permit air conditioning access in bay windows. It is also possible to make use of them to open the middle sash window repairs of an old-fashioned sash bay window to give a more symmetrical appearance.