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Secondary Glazing For Sash Windows

Many homeowners are not able to add double glazing to their house, either because of financial limitations or because the building is listed and any exterior modifications are prohibited.

Secondary glazing for windows made of sash is an excellent alternative and can be installed in various ways.

It is made up of an additional glass pane inside the existing window frame which stops cold air from entering your home, while providing insulation and noise reduction.

Fixed Inserts

There are a variety of styles of secondary glazing for Sash windows. Each comes with its own number of advantages, ranging from increased security to lower condensation. But which is the best option for you?

The principle behind secondary glazing is to incorporate an extra pane of glass inside the window frame. This provides an additional layer of insulation and noiseproofing to your home, enhancing its energy efficiency.

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

Secondary glazing is a fantastic alternative in these instances. It can be installed relatively easily. It's a popular choice for those looking to modernize their home without the need to replace the original sash window with a more modern version.

There are many different options available for secondary glazing sash windows, each one of that can be adapted to fit the frame you have. Proprietary systems are generally made of painted aluminium frames that fit into the existing staff bead depth on the sash window. This lets shutters and sills remain.

They can be installed with a variety of installation methods, including glazing clips and Velcro. They offer a more stylish alternative to screw-fixed units and are particularly suited to windows that do not need to be opened frequently. You can also choose a fixed lift-out unit that can be easily lifted out and reinstalled to open your windows.

Horizontal Sliders

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

They can be operated with a hand and can be left open or partially opened for ventilation. They are very effective in stopping draughts and also they also have the benefit of filtering out harmful UV light. In summer they can be utilized with a flyscreen to keep insects out and mosquitoes.

Our Trackglaze horizontal sliding systems offer all the benefits of modern double glazed sash windows glazing to your traditional sash windows. It consists of PVC double sliding tracks on all four sides of the cavity with a simple bristle seal around each glass sheet and finger pull angle handles to act as a handle and reduce bowing. It is available in kits of either 1m or 2m lengths of track and an angle, which can be butted together to make larger spans.

Secondary glazing can have a significant effect on noise reduction, particularly for road, rail and airport traffic. The inclusion of laminated glass or toughened glasses further improves the acoustic performance. Secondary glazing is a standard feature that can reduce outside noise to 52dB(Rw) and specialist glass such as Stadip Silence Laminated Acoustic Glass can deliver even higher levels of acoustic performance.

It can improve the efficiency of your home by keeping it warmer for longer and decreasing dependence on central heating. It is cheaper than replacing the original sash window, and can be installed without the need to remove the frame.

Vertical Sliders

Secondary glazing is an affordable option that is typically simpler to manage than a full window replacement. It's suitable for Listed Buildings & Conservation Areas. It's an excellent way to improve the look of traditional sash windows in Suffolk & Essex while retaining their character.

Vertical Sliders are specifically designed for sash windows, where regular hinged panels aren't suitable. They come with two secondary sashes that are secured, one above the other, inside an outer frame. They are supported by sturdy spring balances for ease of movement. The system can be put on the inside of an existing window for better thermal performance or fitted with an opening between the glass and the frame for optimum acoustic properties.

You can choose from a range of stop-strips and handles that meet your needs. They can be fixed 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 insulation bristle to block drafts.

'Choices' Imagine vertical slider secondary glazing features all the timber sash windows-like details you'd expect from a period window treatment and comes in a variety of colors to match your existing sash. It's nearly impossible to distinguish from original sash windows, since features like sash horns and traditional joints are incorporated into the design. It's available in a wide range of sizes and accepts glass up to 6.8mm to provide additional insulation against loss of heat. A tilt-in option is also available to allow the individual sashes to hinge into the safety stays to aid in cleaning.

Hinged casement window sash

Our single-pane secondary glazing is able to be installed on sash windows in any style, including traditional box sash and casement. Our hinged units are manufactured with a secure multi-point locking system and are available with keys and a handle for the lock. This will ensure that the glazed panel is locked securely in place and is pulled tight to the outer frame, forming a seal to reduce heat loss. Hinged windows can be side-hung or top-hung, and they can also be double-glazed. Double-glazed windows offer enhanced acoustic performances and are available in 43dB (for 47dB) or 51dB (for 51dB) or 47dB (for 49dB).

Casement windows can open outwards and catch breezes at various angles. This is in contrast to a the horizontal sash window with movable sashes in the frame that slide horizontally. They can also be opened from both the top and bottom to offer controlled ventilation. They can therefore increase airflow and are a great alternative to traditional sash double glazing windows.

They are commonly used in modern homes because they offer a few "sightlines" and unobstructed views. However, they can also be used in listed properties because they don't require transoms or mullions. They're also a good option for areas that are difficult to access since they can be opened by the turn of the handle.

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

Lift Out Windows

Secondary glazing can be put in in a variety of ways and the cost will vary depending on the thickness, type and the materials you select for your frames and panes. UPVC windows are typically the least expensive followed by aluminium, and finally wooden window frames. Specialized glass can also add to the price, as well as any additional features like sound reduction or security.

Another factor that will influence the cost is the complexity of the installation. The more complicated the installation is, the more time and labor will be required. This is also applicable to older properties that have more intricate design of sash windows.

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

Generally speaking, secondary glazing will have little impact on the overall look of your home. Modern FINEO double-glazing features slim and distinct frame lines. This allows you to achieve thermal efficiency without compromising aesthetics.

A popular option for secondary glazing is horizontal sliding, which provides easy access to existing sash windows for cleaning or ventilation. You can also get them with a tilt function, which is activated by unlocking the catch on the secondary glass panel and then lifting it vertically to a set point. This is great for windows that don't open often and can be used to make it easier to access air conditioning in bay windows. They can be used to open the middle sash in a traditional sash Bay Window to create a symmetrical appearance.