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Secondary Glazing For Sash Windows

Many homeowners are not able to build new double-glazed windows to their homes, either because of financial constraints or because they live in listed buildings which prohibit any exterior modifications.

Secondary glazing is a great alternative to sash windows and can be installed in a variety of ways.

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

Fixed Inserts

There are many different styles of secondary glazing for timber sash window windows. Each has its own number of advantages, ranging from improved security to reduced condensation. Which is the best choice for you?

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

It's not always possible to install double-glazed windows particularly if your house is an listed property or you are bound by strict planning regulations that dictate what can and can't be done with your exterior.

Secondary glazing is an excellent alternative in these situations. It can be put in relatively easily. It's a popular choice for those looking to modernize their home without having to replace the original sash window a more modern version.

There are a number of different systems available for secondary glazing sash windows, each of that can be adapted to fit your frame. Proprietary systems are generally constructed of painted aluminum frames that fit the existing bead depth on a sash window. This allows shutters and sills to remain.

They can be equipped with different installation methods like glazing clips or Velcro. They offer a more stylish alternative to screw-fixed units and are especially suited for windows that do not need to be opened often. You can also choose an adjustable lift-out unit that can be lifted out and put back in place with relative ease, allowing your windows to be opened.

Horizontal Sliders

Horizontal Sliders offer excellent thermal insulation and are the most well-known solution for improving existing windows with sash. They are also very discrete and suitable for older buildings, conservation areas & listed properties. In most cases, they can be installed without external access because they are operated from inside.

They are easy to operate by hand and can be open wide or left partially open to allow for ventilation. They are very effective at stopping draughts and also offer the added benefit of blocking harmful UV light. In summer they can be paired with a flyscreen to keep out insects and mosquitoes.

Trackglaze horizontal sliding systems give all the advantages of double glazing for the original sash window. It comprises of PVC double sliding tracks on the four sides of the cavity and the simple bristle seal that is placed around each glass sheet and finger pull angle handles to act as a handle and reduce bowing. It is available in kits with 1m or 2m of track and angle that can be put together to create larger spans.

The acoustic benefits of second glazing are significant and it can significantly improve noise reduction from outside, especially railway, road and airport traffic. The addition of laminated glass or toughened glasses improves the acoustic performance. Standard secondary glazing reduces outside noise to 52dB (Rw) and special glass, like Stadip Silence Laminated Acoustic Glass, can achieve even higher levels of acoustic performance.

It can improve the energy efficiency of your home by keeping your house warmer for longer and reducing reliance on central heating. It's less expensive than replacing the original sash window and can be installed without having to remove the existing frame.

Vertical Sliders

secondary glazing sash windows glazing is a cost-effective option that is usually easier to manage than full window replacement. It is suitable for Listed Buildings & Conservation Areas. It's a great way to improve the look of traditional sash windows in Suffolk & Essex while retaining their distinctive character.

Vertical Sliders were specifically designed to be used in sash lock door handles window applications where hinged panels of the regular kind would not be suitable. They come with two secondary sashes that are secured with one over the other, within an outer frame. They are supported by strong spring balances to allow for easy movement. The system can be put on the inside of an existing window for greater thermal efficiency or fitted with a cavity between the frame and the glass to maximize acoustic properties.

You can choose from a range of stop-strips and handles that suit your preferences. They can be positioned in the closed position for additional security, or propped open for ventilation on the top or bottom glass. They can also be fitted with an insulating seal bristle to prevent drafts.

The 'Choices' vertical slider secondary glass has all the authentic wood detailing you'd expect to see in a period window treatment. It is available in a variety of colors that are compatible with your sash. It is almost impossible to distinguish from original sash windows as details such as sash horns as well as traditional butt joints are included in the design. It comes in a variety of sizes and can be fitted with glass up to 6.8mm for additional insulation against heat loss. The tilt-in option permits the individual sashes of the window to be hinged inwards to make it easier for cleaning.

Hinged Casement

Our single-pane secondary glazing can be fitted on sash windows of any style, including traditional box sash and casement. Our hinged units are manufactured with secure multi-point locking and can be supplied with a key lock handle. This combination ensures the glazed panel is held securely in place and is pulled tightly against the frame, forming a seal to minimize heat loss. Hinged windows can be side-hung or top-hung, and they can also be double-glazed. Double-glazed windows offer enhanced performance in terms of acoustics and are available in 43dB (for 47dB) and 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 catch breezes from a variety of angles. They can also be opened from the top and bottom to provide controlled ventilation. They also improve airflow, and offer a fantastic alternative to traditional sash windows.

They are often used in modern homes because they offer a few "sightlines" and unobstructed views. They can also be incorporated into listed homes because they do not require transoms or mullions. They are also a good option for areas that are difficult to access since they can be opened with the flick of a handle.

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

Lift Out Windows

Secondary glazing can be put in place using a variety methods. The cost will vary according to the preference of the materials thickness, thickness, and the type of glass. Upvc frames are the most expensive, followed by aluminium and wooden frames. Specialized glass may also increase the price and include extra features, such as security or sound reduction.

The complexity of the installation will also impact the cost. The more complicated the installation is, the more time and labor it will require. This is also true for historic properties with more complex sash windows that require expertise and knowledge.

Examining the condition of your windows that are in use is a good place to begin. A survey by a skilled professional will give you a precise estimate of what the cost might be.

In general, secondary glazing will have minimal impact on the overall look of your home. Modern FINEO double-glazing features slim and distinct frame lines. This lets you get the most efficient heat without compromising aesthetics.

A popular option for secondary glazing is horizontal sliding, which gives easy access to existing sash windows to clean or ventilation. It is also possible to get them with a tilt function which you can activate by releasing the catch on the secondary glazing panel and then lifting it vertically to a set point. This is ideal for windows that aren't opened often and can be used to make it easier to access air cooling in bay windows. You can also use them to open the middle sash of a traditional sash Bay window sash replacement to create a symmetrical appearance.