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Secondary Glazing For Sash Windows

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

Secondary glazing for sash secondary glazing windows is a good alternative and can be installed in various ways.

It's 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

If you're thinking about secondary glazing for your sash windows there are a variety of styles to pick from. Each style comes with each of its own benefits that range from increased security to reduced condensation. Which is the best choice for you?

The principle behind secondary glazing is to install an additional glass pane inside your existing window frame. This adds an additional layer of soundproofing and insulation, which can dramatically improve the energy efficiency of your home.

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

In these instances secondary glazing is a great alternative that can be installed with relative ease. It's also a popular choice for people looking to update their period property without having to tear down the original sash windows and replace them with new ones.

There are a number of different options available for secondary glazing sash windows, each one of which is configurable to suit your frame. Proprietary systems typically have painted aluminium frames that are designed to fit within the depth of a staff bead on an existing sash window meaning that shutters and sills are still able to be used.

They can be equipped with a variety of installation methods, such as glazing clips or Velcro. These types of units look more attractive than screw-fixed ones and are best suited for windows that do not require to be opened frequently. You can also opt for a fixed lift-out unit that can be easily lifted out and then reinstalled to open your windows.

Horizontal Sliders

Horizontal Sliders offer excellent thermal insulation and are the most sought-after solution to improve the performance of existing sash windows. They are also very discreet and are ideal for historic buildings, conservation areas, and listed properties. In the majority of cases, they can be installed without having access to the outside since they operate from the inside.

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

Our Trackglaze horizontal sliding system provides all the advantages of modern double glazing to your traditional sash windows. It is comprised of PVC double glazed sash windows cost sliding track on all four sides of the cavity with a brush seal around each glass sheet and a finger pull angle handle to act as a hand and reduce bowing. It is available in kits comprising either 1m or 2m lengths of track and an angle, which can be joined to make larger spans.

Secondary glazing can have a significant impact on noise reduction, especially for rail, road and airport traffic. The addition of laminated or toughened glass can further improve acoustic performance. Standard secondary glazing can reduce outside noise to 52dB(Rw) and specialized glass like Stadip Silence Laminated Acoustic Glass can provide even greater levels of acoustic performance.

It can boost the efficiency of your home by keeping it warmer for longer and reducing reliance on central heating. It's much less expensive than replacing your original sash windows and is installed almost everywhere without the need to remove the existing window or door frame.

Vertical Sliders

Secondary glazing is an affordable option that is often easier to manage than full window replacement. It's also suitable for Listed Buildings & Conservation Areas. It's a great option to upgrade 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 don't work. The system is comprised of two secondary sashes that are secured one above one within an outer frame. They are supported by spring balances to allow for effortless movement. The system can be put on the inside of an existing window sash repairs to ensure greater thermal efficiency or fitted with an opening between the frame and the glass to maximize acoustic properties.

They can be fitted with a variety of handles and stop strips to suit the homeowner's preferences by allowing the bottom or top pane to let in air, or they can be secured in the closed position to provide security. They can also be fitted with an insulation bristle to stop draughts.

The 'Choices' vertical slider secondary glass features the same authentic wood details you'd expect to see in a window covering from the past. It is available in a range of colors that will match your existing sash. It's almost impossible to differentiate from the original sash window (look these up), with details such as sash horns & traditional butt joints incorporated into the design. It is available in various sizes and can be fitted with glass up to 6.8mm to add insulation to loss of heat. The tilt-in option permits the sashes of each window to be hinged inwards on safety stays to facilitate cleaning.

Hinged Casement

Our single-pane hinged secondary glass can be fitted to sash style double glazed windows windows of any style including casement and traditional box sash. 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 held securely in place, and it pulls tight to the outer frame, forming a seal to reduce heat loss. Hinged windows are available either top or side-hung and can also be made with double-glazed. Double-glazed windows are a great way to improve audio-acoustic performance. They are available in 43dB,47dB or 51dB.

Unlike horizontal sash windows, which have movable sashes, slide horizontally within the frame, casement windows can be opened outwards and let in breezes from various angles. They can also be opened from the top and bottom to offer controlled ventilation. Because of this, they can increase airflow and provide an effective alternative to traditional sash windows.

They are commonly used in modern homes because they offer a few "sightlines" and unobstructed views, but can also be incorporated into listed properties due to the fact that they don't require transoms or mullions. They can also be used in areas that are difficult to access since they can be opened simply by turning the handle.

The primary drawback to this type of window is that they can block off large openings and limit the use of certain window treatments. They are also difficult to clean as they open outwards, and may require regular maintenance and servicing.

Lift Out Windows

Secondary glazing can be set up in a variety of ways and the cost will differ according to the type, thickness and the materials you select for your panes and frame. Upvc frames are the most expensive, followed by aluminium and wooden frames. Specialised glass, along with any additional features like security or sound reduction can also raise prices.

The complexity of the installation will also influence the cost. The more complicated the project will take longer and require more labour it will take. This also applies to older homes with more intricate sash windows that require specialist knowledge and expertise.

The best place to begin is to evaluate the condition of your existing windows. You can get a reliable estimate of the cost by having them examined by a professional.

In general secondary glazing can have an insignificant impact on the appearance of your home. This is due to the fact that the modern FINEO double glazing has sleek and subtle frame lines, which means you can achieve thermal efficiency without compromising on aesthetics.

A popular choice of secondary glazing is horizontal sliding, which provides easy access to your existing sash windows for cleaning or ventilation. You can also get them with a tilt function which you can activate by unlocking the catch on the secondary glass panel and then lifting it vertically to a preset point. This is ideal for windows that don't get opened very often. It can also be used to allow air conditioning access to bay windows. You can even use them to open the middle sash of the traditional sash bay windows to give a more symmetrical appearance.