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Secondary Glazing For Sash Windows

Many homeowners aren't able to install double glazed sash windows for listed buildings glazing to their home, either because of financial limitations or because the structure is listed and exterior modifications are prohibited.

Secondary glazing is a fantastic alternative to sash windows. It can be put in various ways.

This is a double-paned window that fits into your existing window frame. It provides insulation and noise reduction, while stopping cold air from entering the home.

Fixed Inserts

If you're considering secondary glazing for your sash windows, there are a variety of styles to pick from. Each comes with its own set of benefits, from increased security to less condensation. Which is the most effective choice for you?

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

However, it's not always possible to add double-glazed windows to your property particularly if you reside in a listed structure 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 fantastic alternative that can be set up with ease. It's also a popular choice for those looking to upgrade their period property without the need to tear down the original windows in sash and replace them with contemporary ones.

There are a number of different options available for secondary glazing sash windows, each of which is configurable to suit your frame. Proprietary systems are usually constructed of painted aluminum frames that fit the existing bead depth on a sash window. This lets shutters and sills be retained.

They can be fitted using a variety of methods for installation, including glazing clips or Velcro. They provide a more attractive alternative to screw-fixed units and are particularly suited to windows that how much do wooden sash windows cost not need to be opened regularly. You can also choose a fixed lift-out device that can be easily removed and reinstalled to allow you to open your windows.

Horizontal Sliders

Horizontal Sliders offer excellent thermal insulation and are the most well-known solution to improve the performance of existing sash windows. They are also very discrete and suitable for older buildings, conservation areas, and listed properties. In the majority of instances, they can be installed without having access to the outside since they operate by the inside.

They can be operated manually and can be left open or partially opened to allow ventilation. They are very effective in stopping draughts and also have the added benefit of filtering out harmful UV light. They can be used in combination with a flyscreen to ward off mosquitoes and other insects during the summer months.

Our Trackglaze horizontal sliding system provides all the benefits of modern double glazing to your original Sash windows. It is comprised of PVC double sliding tracks on the four sides of the cavity with a simple bristle seal around each glass sheet and finger pull angle handles to serve as handles and decrease 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 impact on noise reduction, specifically for rail, road and airport traffic. The addition of laminated or toughened glass can further improve acoustic performance. Secondary glazing that is standard can reduce 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 efficiency of your home by keeping it warmer for longer and reducing reliance on central heating. It is cheaper than replacing the original timber sash windows window, and can be installed without having to remove the frame.

Vertical Sliders

Secondary glazing is a cost-effective choice that is typically easier to manage than full window replacement. It's suitable for Listed Buildings & Conservation Areas. It's a great option to replace windows with sash in Suffolk & Essex with modern insulation benefits while retaining the charm of older homes.

Vertical Sliders were designed for use in sash windows in which hinged panels from the standard range would not be suitable. The system has two secondary sashes that are secured one over the other inside an outer frame. They are supported by spring balances that allow for effortless movement. The system can be placed on the inside of an existing window to ensure better thermal performance, or it can be equipped with an opening between the glass and the frame to ensure the best acoustic performance.

You can choose from a range of handles and stop-strips to meet your needs. They can be put in the closed position for extra security or propped open for ventilation on the top or bottom glass. They can also be fitted with an insulating bristle sealing device to prevent drafts.

The 'Choices' vertical slider secondary glass features the same authentic wood details you'd expect in a period window treatment. It is available in a range of colors that will match your existing sash. It's almost impossible to distinguish from the original sash windows, as features like sash horns as well as traditional butt joints are incorporated into the design. It is available in various sizes and can accept glass up to 6.8mm for additional insulation against heat loss. A tilt-in option is also available to allow the sashes to be hinged towards the back of safety stays to help with cleaning.

Hinged Casement

Our single-pane hinged secondary glazing can be incorporated into windows in sash of any design such as traditional and casement sash. The hinged units we offer can be equipped with a keylock handle and are constructed with multi-point locking. This ensures that the glass panel is securely secured and is pulled tightly against the frame, forming a sealing to reduce loss of heat. Hinged windows can be top-hung or side-hung, and they can also be double-glazed. Double-glazed windows offer enhanced acoustic performance and are available in 43dB, 47dB and 51dB.

Unlike horizontal sash windows, which have movable sashes, slide horizontally within the frame, casement windows can be opened outward and capture breezes from a variety of angles. They can also be opened from the top and bottom for controlled ventilation. This is why they can help improve airflow and are a viable alternative to traditional windows made of sash.

They are popular in modern homes due to their narrow "sightlines" that permit unobstructed view, but they can also be installed 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 because they can be opened with the twist of the handle.

This kind of window could be a drawback since it may limit the use of certain window coverings. They are also difficult to clean as they open outwards, and may require regular maintenance and service.

Lift Out Windows

Secondary glazing can be set up with a variety of methods and the cost will vary depending on the type, thickness, and materials you choose for your panes and frame. upvc sash windows frames are the cheapest expensive, followed by aluminium and then wooden frames. Specialized glass can also add to the cost, as well as any extra features, such as security or sound reduction.

The complexity of the installation will also impact the cost. The more complicated the project is, the more time and labor-intensive it will be. This is especially true for heritage properties that have more complex designs for sash windows.

Analyzing the condition of windows that are in use is a good way to begin. Having them surveyed by a skilled professional will give you a precise idea of what the costs might be.

In general secondary glazing can have a minimal effect on the appearance of your home. Modern FINEO double-glazing features thin and discrete 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 your windows that are already sash for cleaning or ventilation. These windows also come with a tilt feature, which can be activated by unlocking the catch and lifting your secondary glazing panel vertically up to a certain degree. This is ideal for windows that don't get opened often. It can also be used to allow air conditioning access to bay windows. They can be used to open the middle sash of a traditional Bay Window to create a symmetrical appearance.