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Secondary Glazing For Sash Windows

Many homeowners aren't able to install double glazing to their house, either due to financial constraints or because the structure is listed and exterior modifications are prohibited.

Secondary glazing is a great alternative to sash window locks windows and can be installed several ways.

It consists of an extra pane of glass inside the existing window frame which prevents cold air from entering your home, as well as providing insulation and noise reduction.

Fixed Inserts

There are a variety of styles of secondary glazing available for sash windows. Each style has each of its own benefits ranging from increased security to less condensation. Which one is the best option for you?

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

It's not always feasible to add double-glazed windows, especially if your home is classified as a historic property or if you are bound by strict planning regulations dictating what can and can't be done with your exterior.

In these situations, secondary glazing is a great alternative that can be put in with ease. It's a popular option for those who want to modernize their home without having to replace the original sash window with an updated version.

There are many different options for secondary glazing sash windows (funsilo.date), each one of that can be adapted to fit the frame you have. Proprietary systems are usually comprised of painted aluminium frames that fit into the existing depth of the staff bead on windows with sash. This lets shutters and sills be kept.

They can be installed using a variety of installation 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 often. You can also opt for a fixed lift-out unit that can be lifted and put back in place with ease, allowing your windows to be opened.

Horizontal Sliders

Horizontal Sliders offer excellent thermal insulation and are the most popular solution to improve the performance of existing sash windows. They are also discreet and ideal for historic properties as well as conservation areas and listed properties. They can be fitted in most cases without the need for external access because they are operated from inside.

They can be operated by hand and can be left open or partially opened for ventilation. They are effective at stopping draughts and also block harmful UV light. In the summer they can be paired with a flyscreen in order to keep out insects and mosquitoes.

Our Trackglaze horizontal sliding system offers all the advantages of modern double glazing to your original Sash windows. It consists of PVC double sliding track that runs across all four sides of the cavity and a simple brush seal around each sheet of glass and a finger pull angle handle to function as a hand, reducing bowing. It is available in kits of 1m or 2m track and angle that can be stacked together to create 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 acoustic performance. Standard secondary glazing reduces outside noise to 52dB (Rw) and specialist glass, like Stadip Silence Laminated Acoustic Glass can deliver even higher levels of acoustic efficiency.

It can improve the efficiency of your home by keeping your house warmer for longer and reducing reliance on central heating. It is much cheaper than replacing your original flush sash windows windows and can be installed almost everywhere without the need to remove 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 the ideal option to upgrade windows made of sash in Suffolk & Essex with modern insulation benefits while keeping the character of older homes.

Vertical Sliders are designed especially for sash windows where regular hinged panels aren't appropriate. The system features two secondary sashes that 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 a glass to glass cavity, within the original window reveal, for optimal acoustic performance.

They can be fitted with a variety of stops and handles to suit the homeowner's preferences, propping open either the top or bottom pane for ventilation or placed in an open position for additional security. They can also be fitted with an insulation bristle to stop draughts.

'Choices’ Imagine vertical slider secondary glass comes with the same authentic wood details you'd expect to see in a window covering from the past. It comes in a range of colors that match your existing sash. It's almost impossible to distinguish from the original sash window with details such as sash horns & traditional butt joints being incorporated into the design. It's available in a wide selection of sizes and will accept glass up to 6.8mm to give additional insulation against heat loss. The tilt-in option permits the sashes of each window to be hinged backwards on safety stays to facilitate cleaning.

Hinged Casement

Our single-pane hinged secondary glazing can be fitted to windows made of sash in any style including casement and traditional box sash. Our hinged units are manufactured with secure multi-point locking and can be supplied with keys lock handles. This ensures that the glazed panel is held securely in place and is pulled close to 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. Double-glazed windows offer enhanced acoustic performance and are available in 43dB, 47dB or 51dB.

Casement windows are able open outwards and catch breezes from different angles. This is unlike horizontal sash window, that has movable sashes inside the frame that move horizontally. They can be opened both from the top and bottom for controlled ventilation. This is why they can improve airflow and are a viable alternative to traditional windows made of sash.

They are often used in modern homes because they have small "sightlines" and unobstructed views. They can also be used in listed properties because they do not require transoms or mullions. They're also a great option for those who live in areas that are difficult to reach since they can be opened by the twist of a handle.

The main drawback of this kind of window is that it can block off large openings, and could limit the use of certain window treatments. They are also difficult to clean since they open outwards, and could require regular maintenance and service.

Lift Out Windows

Secondary glazing can be installed in a variety of ways and the price will vary according to the thickness, type and the materials you select for your frame and panes. UPVC windows are generally the most affordable followed by aluminium and then wooden sash windows window frames. Specialised glass, as well any additional features like security or sound reduction may increase the cost of windows.

Another aspect that can affect the cost is the complexity of the installation. The more complicated the project will take longer and more labour will be required. This is also true for older homes with more complex sash windows, which require specialist knowledge and expertise.

Assessing the condition of existing windows is a good way to start. You can get a precise estimate of the cost by having them checked by a professional.

In general secondary glazing has a minimal effect on the appearance of your home. This is thanks to the fact that the modern FINEO double glazing has sleek and subtle frame lines, which means you can get the most efficient thermal performance without compromising on aesthetics.

The horizontal sliding secondary glazing is popular due to its easy access to the sash window to clean or for ventilation. You can also get them with a tilt feature, 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 don't get frequently opened. It can be used to provide air conditioning access in bay windows. You can also make use of them to open the middle sash of the traditional sash bay windows to create a more uniform look.