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Secondary Glazing For Sash Windows

Many homeowners aren't able to install double glazing to their house because of financial limitations or because the building is listed and modifications to the exterior are not permitted.

Secondary glazing is an excellent alternative for sash window 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 getting into your home, while also providing insulation and noise reduction.

Fixed Inserts

There are many different types of secondary glazing for sash windows. Each style has distinct advantages that range from increased security to less condensation. But which is the best option for you?

The fundamental idea behind secondary glazing is the installation of an additional pane of glass within the window frame. This creates an extra layer of soundproofing and insulation, which can significantly improve your home's energy efficiency.

However it's not always feasible to add new double-glazed windows to your home particularly if you live in a listed building or are subject to strict regulations regarding planning that define what can and can't be done to your exterior.

Secondary glazing is a great alternative in these instances. It can be set up quite easily. It's a popular choice for those who want 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, all of can be customized to fit your frame. The proprietary systems are typically comprised of painted aluminium frames that fit into the existing staff bead depth on the sash window. This allows shutters and sills to be retained.

They can be installed with a variety of mounting methods such as glazing clips and Velcro. These units are more attractive than screw-fixed ones and are ideally suited to windows that do not require to be opened frequently. You can also choose a fixed lift-out device that can be easily removed 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 secondary glazing windows. They are also quiet and are ideal for historic homes as well as conservation areas and listed properties. In most cases, they are installed without having access to the outside since they are operated from the inside.

They are simple to operate using a hand, and can be open wide or left partially open for ventilation. They are effective in stopping draughts and also filter harmful UV light. They can be used in combination with an insect screen to deter mosquitoes and other insects during the summer months.

Trackglaze horizontal sliding systems offer all the advantages of double glazing for the original sash window. It is comprised of PVC double glazed sash windows sliding track that runs across all four sides of the cavity and a simple brush seal around each glass sheet and a finger pull angle handle to function as a hand and decrease bowing. It is available in kits of 1m or 2m lengths of track and 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 toughened or laminated glass can further improve acoustic performance. Secondary glazing that is standard reduces outside noise to 52dB (Rw) and special glass, like Stadip Silence Laminated Acoustic Glass, can achieve higher levels of acoustic efficiency.

It can increase the energy efficiency of your home by keeping it warmer for longer, and reducing dependence on central heating. It is less expensive than replacing the original sash window, and can be installed without removing the frame.

Vertical Sliders

Secondary glazing is a cost effective option that is usually more manageable than full window replacement. It's also 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 distinctive character.

Vertical Sliders were specifically designed for use in sash windows in which hinged panels from the standard range aren't suitable. They come with two secondary sashes which are secured, one over the other, within an outer frame and are supported by robust spring balances to allow for easy movement. The system can be purchased as a 'face-fixed' (installed to the inside of the existing window) for improved thermal performance, or a'reveal fixed version that is fitted with a glass to glass cavity within the window's original reveal, for optimal sound quality.

They can be equipped with a variety of stops and handles to meet the needs of the homeowner, propping open either the top or bottom pane to allow for ventilation or placed in the closed position to provide security. They can also be fitted with an insulating bristle seal to keep out draughts.

Imagine a vertical slider with 'Choices' secondary glazing has the same authentic wood detailing you'd expect from a vintage window treatment. It's also available in an array of colours to match your existing sash. It's difficult to differentiate from the original box sash windows window, with details like sash horns and traditional butt joints incorporated into the design. It's available in a wide variety of sizes and can accept glass up to 6.8mm to give additional insulation against loss of heat. A tilt-in option is also available allowing the individual sashes of the frame to hinge inward on safety stays to help with cleaning.

Hinged Casement

Our single-pane hinged secondary glass can be incorporated into windows made of sash in any style such as traditional and casement sash. Our hinged units are constructed with secure multi-point locking and can be supplied with keys lock handles. This will ensure that the glass panel is securely locked in place and pulls tightly to the frame, forming a sealing to minimise heat loss. Hinged windows can be purchased as either top or side hung and are also available with double-glazed. Double-glazed windows offer enhanced acoustic performance and are available in 43dB, 47dB and 51dB.

Casement windows are able to open up and let in breezes at various angles. This is different from a horizontal sash window, that has movable sashes inside the frame that slide horizontally. They can be opened both from the top and bottom to allow controlled ventilation. They can therefore improve airflow, and offer a fantastic alternative to traditional sash windows.

They are used in modern homes due to their slim "sightlines" that allow for unobstructed view, but they can also be installed in listed buildings since they do not require transoms or mullions. They are also a good choice for hard-to-reach areas as they can be opened with the turn of a handle.

This type of window can be a drawback since it may limit the use of certain window treatments. They can be difficult to clean since they open outward. They may also require regular maintenance and care.

Lift Out Windows

Secondary glazing can be installed using a variety ways and the cost will differ according to the type, thickness and materials you select for your panes and frame. uPVC windows are usually the most affordable followed by aluminium, and then wooden window frames. Specialised glass can also increase the price, as well as any additional features such as security or sound reduction.

Another factor that will influence the cost is the complexity of the installation. The more complicated the project will take longer and require more labor it will require. This is also true for heritage properties with more intricate sash windows that require specialist knowledge and expertise.

The best way to start is to evaluate the condition of your existing windows. You can get a reliable estimate of the cost by having them inspected by a professional.

Generally speaking, secondary glass will have a minimal impact on the overall look of your home. This is thanks to the fact that the modern FINEO double-glazing has slim and discreet frame lines, which means you can get the most efficient thermal performance without compromising on aesthetics.

The horizontal sliding sash window secondary glazing is popular due to its easy access to the existing sash window for cleaning or ventilation. It is also possible to get them with a tilt function which you can activate by releasing the catch on your secondary glazing panel and lifting it vertically until you reach a predetermined point. This is great for windows that don't open frequently and can be used to make it easier to access air cooling in bay windows. You can also use them to open up the middle sash of an old-fashioned sash bay window to give a more symmetrical appearance.