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Secondary Glazing For Sash Windows

Many homeowners are not able to add double glazing to their homes due to financial constraints or due to the fact that the building is listed and modifications to the exterior are not permitted.

Secondary glazing for windows with sash style double glazed windows is a great alternative that can be put in with a variety of ways.

This is a double-paned window that fits inside the frame of your window. It provides insulation and noise reduction, as well as stopping cold air from entering your home.

Fixed Inserts

If you're thinking about secondary glazing for your sash windows, there are many different styles to pick from. Each style has distinct advantages that range from increased security to less condensation. But which is the best choice for you?

The principle behind secondary glazing is the installation of an additional pane of glass within your window frame. This adds an additional layer of insulation and noiseproofing your home, increasing its energy efficiency.

It's not always possible to install double-glazed windows especially if your home 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.

In these instances, secondary glazing is an excellent alternative that can be set up with relative ease. It's also a popular choice for those looking to upgrade their home without having to tear down the original sash window replacement windows and replace them with new sash windows ones.

There are a variety of different options available for secondary glazing sash windows, each one of that can be adapted to fit your frame. The proprietary systems typically feature painted aluminium frames which are designed to fit within the depth of a staff bead an existing sash window, which means that sills and shutters can still be retained.

They can be fitted with a variety of mounting methods such as glazing clips and Velcro. These are more appealing than screw-fixed ones and are best suited for windows that don't need to be opened frequently. You can also select a fixed lift-out unit that can be easily lifted out and reinstalled to allow you to open your windows.

Horizontal Sliders

Horizontal Sliders provide excellent thermal insulation and are the most well-known option for enhancing existing windows with sash. They are also very discrete and suitable for older buildings, conservation areas & listed properties. They can be fitted with the need for external access since they operate from inside.

They are easy to operate by hand and can be open wide or left partially open to allow for ventilation. They are effective in preventing draughts, and they also block harmful UV light. They can be used in conjunction with a flyscreen to ward off mosquitoes and other insects during summer months.

Trackglaze horizontal sliding systems provide all the advantages of double glazing for your traditional sash window. It consists of PVC double sliding track on all four sides of the cavity, a simple brush seal around each glass sheet and a handle for a finger pull angle to act as a hand and reduce bowing. It is available in kits comprising either 1m or 2m lengths of track and angle that can be butted together to make larger spans.

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

It can improve the energy efficiency of your home by keeping it warm for longer. This will reduce the need for central heating. It is less expensive than replacing the original sash window, and can be installed without the need to remove the frame.

Vertical Sliders

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

Vertical Sliders are specifically designed for sash windows where regular hinged panels aren't appropriate. They come with two secondary sashes that are secured to one sash above the other, within an outer frame. They are supported by robust spring balances for ease of movement. The system can be placed on the inside of an existing window for greater thermal efficiency, or it can be equipped with an opening between the frame and the glass for optimum acoustic properties.

You can pick from a variety of stop-strips and handles to meet your needs. They can be put in a closed position for additional security, or propped open for ventilation on the top or bottom glass. They can be equipped with an insulation bristle to block drafts.

'Choices' Imagine vertical slider secondary glazing features all the timber-like details you'd expect from a period window treatment and comes in an array of colours to match your existing sash. It's almost impossible to differentiate from the original sash window with features like sash horns & traditional butt joints included in the design. It's available in a wide range of sizes and accepts glass up to 6.8mm to add insulation to prevent loss of heat. A tilt-in option is available allowing the sashes to be hinged into the safety stays to help with cleaning.

Hinged Casement

Our single-pane secondary glazing is able to be fitted on sash windows of any style, including traditional box sash and casement. The hinged units we offer can be supplied with a keylock handle and are manufactured with multi-point locking. This ensures that the glazed panel is locked securely in place, and it pulls tight to the outer frame, creating a seal to reduce heat loss. Hinged windows can be purchased as either top or side-hung and can also be constructed as double-glazed. Our double-glazed windows provide enhanced audio-acoustic performance. They are available in 43dB, 47dB and 51dB.

Casement windows are able to open up and let in breezes from different angles. This is unlike the horizontal sash window, with movable sashes in the frame, which slide horizontally. They can be opened both from the top and bottom for controlled ventilation. They can therefore increase airflow and offer a fantastic alternative to traditional sash window.

They are commonly used in modern homes due to their slim "sightlines" that allow for an unobstructed view. However, they can also be incorporated into listed properties because 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 a handle.

This kind of window could be a disadvantage because it may limit the use of certain window treatments. They are difficult to clean, as they open outward. They also may require regular maintenance and care.

Lift Out Windows

Secondary glazing can be installed by a variety of methods. The cost will differ according to your preference of the materials, thickness, and kind of glass. uPVC windows are usually the least expensive followed by aluminium, and then wooden window frames. Specialized glass may also increase the cost and also any extra features, such as sound reduction or security.

Another aspect that can affect the cost is the complexity of the installation. The more complex the project will take longer and require more labor-intensive it will be. This is especially true for heritage properties that have more intricate design of sash windows.

A good place to start is to assess the condition of your existing windows. You can get an accurate estimate of the cost by having them inspected by professionals.

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

A popular choice of secondary glazing is horizontal sliding, which gives easy access to windows that are already sash for cleaning or ventilation. You can also get them with a tilt function which you can activate by releasing the catch on the secondary glass panel and then lifting it vertically to a preset point. This is perfect for windows that aren't opened often. It can also be used to allow air conditioning access in bay windows. You can also use them to open the middle sash of a traditional Bay Window to create a more symmetrical appearance.