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Secondary Glazing For Sash Windows

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

Secondary glazing for windows with sash is a great alternative and can be installed with a variety of ways.

It consists of an extra pane of glass within the window frame, which prevents cold air from getting into your home, while offering insulation and noise reduction.

Fixed Inserts

If you're considering secondary glazing for your sash windows there are a variety of styles you can pick from. Each offers a unique number of advantages, ranging from improved security to reduced condensation. Which is the best choice for you?

The basic premise of secondary glazing is fitting an additional glass pane inside your existing window frame. This creates an extra layer of soundproofing and insulation which can significantly improve the energy efficiency of your home.

It's not always feasible to install double-glazed windows especially if your home is an listed property or you are governed by strict planning regulations that dictate what can and can't be done with your exterior.

In these cases, secondary glazing is a fantastic alternative that can be installed easily. It's also a popular choice for people looking to update their period property without having to take down the original windows in sash and replace them with modern ones.

There are many different systems available for secondary glazing sash windows (Read the Full Document), each 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 on an existing sash window, so that shutters and sills can be kept.

They can be fitted with a variety of installation methods such as glazing clips and Velcro. These types of units look more attractive than screw-fixed ones and are best suited for windows that don't need to be opened frequently. You can also opt for a fixed lift-out device that can be easily removed and reinstalled to open your windows.

Horizontal Sliders

Horizontal sliders are the most popular method of enhancing the appearance of a windows. They are also discreet and are ideal for historic homes or conservation areas as well as listed properties. They can be fitted in most cases without the need for external access because they are operated from inside.

They are simple to operate with a hand and can be open wide or left partially open for ventilation. They are very effective in stopping draughts and also offer the added benefit of blocking harmful UV light. In summer, they can be used with a flyscreen in order to keep insects out and mosquitoes.

Trackglaze horizontal sliding systems provide all the advantages of double glazing for your traditional sash window. It consists of pvc sash windows double sliding sash windows tracks on the four sides of the cavity, a simple bristle seal around each glass sheet and angle handles that can be pulled by fingers to serve as handles and decrease bowing. It is available in kits comprising 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, especially for road, rail and airport traffic. The use of laminated glass or toughened glasses further improves the acoustic performance. Secondary glazing that is standard can reduce outside noise to 52dB(Rw) and specialist glass such as Stadip Silence Laminated Acoustic Glass can achieve even higher levels of acoustic performances.

It can boost the efficiency of your home by keeping it warmer longer. This will decrease your reliance on central heat. It is much cheaper than replacing your old sash window locks windows, and can be installed without the need to take out the existing window or door frame.

Vertical Sliders

Secondary glazing is a cost effective alternative that is usually more manageable than full window replacement. It's also suitable for Listed Buildings & Conservation Areas. It's a great option to modernize traditional sash windows in Suffolk & Essex while retaining their character.

Vertical Sliders were specifically designed to be used in sash window applications where regular hinged panels would not be suitable. The system features two secondary sashes, which are fixed one above one within an outer frame. They are supported by spring balances to allow for effortless movement. The system is available as a face-fixed' (installed to the inside of the window) for increased thermal performance or a 'reveal-fixed' version which comes with an air cavity for glass inside the window reveal, for optimal acoustic performance.

You can pick from a variety of stop-strips and handles that suit your preferences. They can be positioned in the closed position for extra security or propped open for ventilation on the glass's top or bottom. They can be equipped with an insulation bristle to stop drafts.

The 'Choices' vertical slider secondary glass comes with the same authentic wood details you'd expect to see in a period window. It comes in a variety of colours that are compatible with your sash. It's nearly impossible to distinguish from original sash windows, since features like sash horns and traditional joints are included in the design. It's available in a broad range of sizes and accepts glass up to 6.8mm to provide additional insulation against heat loss. A tilt-in option is also available allowing the sashes to be hinged into the safety stays for easier cleaning.

Hinged Casement

Our single-pane hinged secondary glazing can be fitted to sash windows of any style, including casement and traditional box sash. The hinged units we offer can be supplied with a keylock handle and are made with multi-point locking. This will ensure that the glass panel is secured securely in place and pulls tightly against the frame, creating a seal to minimize heat loss. Hinged windows can be top-hung or side-hung, and they can also be double-glazed. Our double-glazed Windows provide enhanced sound insulation and are available in 43dB (for 47dB), 51dB (for 51dB) or 47dB (for 49dB).

In contrast to horizontal sash windows which have movable sashes, slide horizontally within the frame casement window sash windows can be opened outwards and catch breezes from various angles. They can also be opened from the top and bottom to provide controlled airflow. They also improve airflow, and offer a fantastic alternative to traditional sash windows.

They are typically utilized in modern homes as they offer small "sightlines" and unobstructed views. They can also be fitted into listed homes because they don't require mullions or transoms. They are also a good choice for hard-to-reach areas since they can be opened with the twist of the handle.

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

Lift Out Windows

Secondary glazing can be installed in a variety of ways and the price will vary depending on the type, thickness and materials you select for your frames and panes. uPVC windows are usually the most affordable followed by aluminium, and then wooden window frames. Specialised glass can also increase the cost, 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 complex the project will take longer and more labour will be required. This can also apply to heritage properties with more complex sash windows, which require specialist knowledge and expertise.

Analyzing the condition of windows that are in use is a good way to begin. You can get a precise estimate of the cost by having them inspected by an expert.

In general secondary glazing has a minimal effect on the look of your home. Modern FINEO double-glazing is thin and subtle frame lines. This allows you to achieve thermal efficiency without compromising aesthetics.

The horizontal sliding secondary glazing option is a popular choice because it permits easy access to the existing sash window to clean or for ventilation. They can also be purchased with a tilt function, which is activated by unlocking the catch on the secondary glazing panel and then lifting it vertically until you reach a predetermined point. This is ideal for windows that aren't used often and is a great way to allow access to air conditioning in bay windows. You can use them to open the middle sash in a traditional sash Bay Window to create a symmetrical appearance.