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Secondary Glazing For Sash Windows Many homeowners are unable add double glazing to their home due to financial constraints or because the structure is listed and modifications to the exterior are not permitted. Secondary glazing for sash windows is a good alternative and can be installed using a variety of methods. This product is a double-paned window that fits inside the window frame you already have. It is insulated and provides noise reduction, while preventing cold air from entering the home. Fixed Inserts If you're thinking about secondary glazing for your sash windows, there are a variety of styles to pick from. Each has its own set of advantages, from increased security to less condensation. Which is the best choice for you? The basic premise of secondary glazing is to install an additional glass within the window frame. This provides an additional layer of insulation and noiseproofing your home, enhancing its energy efficiency. It's not always practical to install double-glazed windows particularly if your house is an listed property or you are bound by strict planning regulations dictating what can and can't be done with your exterior. In these cases, secondary glazing is a fantastic alternative that can be put in with ease. It's also a popular option for those looking to upgrade their period property without having to tear down the original windows in sash and replace them with new ones. There are several different systems for secondary glazing on windows made of sash. Each can be adapted to fit into your existing frame. Proprietary systems usually have painted aluminium frames that are made to fit within the depth of a staff bead on an existing sash window, so that shutters and sills are still able to be used. They can be equipped using a variety of methods for installation, including glazing clips or Velcro. These units are more attractive than screw-fixed units and are best suited for windows that don't need to be opened frequently. Alternately, you can opt for a fixed lift-out unit that can be lifted and put back in its place with ease to allow windows to be opened. Horizontal Sliders Horizontal sliders are the most well-known way to improve existing windows. They are also very discreet and ideal for historic structures, 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 are easy to operate using a hand, and can be open wide or left partially open to allow for ventilation. They are effective at stopping draughts and also filter harmful UV light. In summer they can be utilized together with a flyscreen to keep out insects and mosquitoes. Trackglaze horizontal sliding systems give all the benefits of double glazing for your original Sash window. It consists of PVC double sliding track that runs across all four sides of cavity with a brush seal around each sheet of glass and a finger pull angle handle to act as a hand and reduce bowing. Repair My Windows And Doors is available in kits with 1m or 2m of track and angle that can be put together to create bigger spans. The acoustic benefits of secondary glazing are significant and it can significantly enhance noise reduction from outside, particularly the airport, rail and road traffic. The use of laminated glass or toughened glasses further enhances the acoustic performances. Secondary glazing that is standard reduces outside noise to 52dB (Rw) and special glass, like Stadip Silence Laminated Acoustic Glass can provide higher levels of acoustic performance. It can increase the efficiency of your home by keeping it warmer longer. This will reduce the need for central heating. It is cheaper than replacing the original sash window, and can be installed without having to remove the frame. Vertical Sliders Secondary glazing is an affordable option that is usually simpler to manage than a full window replacement. It's also suitable for Listed Buildings & Conservation Areas. It's a great way to upgrade traditional sash Windows in Suffolk & Essex while retaining their distinctive character. Vertical Sliders are designed especially for windows with sash openings where standard hinged panels aren't suitable. They feature two secondary sashes which are secured with one above the other, within an outer frame. They are supported by strong spring balances for ease of movement. The system can be purchased as a 'face-fixed' (installed to the inside of the window) for increased thermal performance or a 'reveal-fixed version that is fitted with a glass-to-glass cavity within the window's original reveal, for optimum audio-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 additional security, or propped open for ventilation on the top or bottom glass. They can be fitted with an insulating seal bristle to prevent drafts. The 'Choices' Imagine vertical slider secondary glass features all the authentic wood detailing you'd expect to find in a period window treatment. It comes in a variety of colors that will match your existing sash. It's nearly impossible to distinguish from the original sash windows as details such as sash horns as well as traditional butt joints are included in the design. It is available in various sizes and can take glass up to 6.8mm for additional insulation against loss of heat. The tilt-in option allows the individual sashes of the window to be hinged backwards to make it easier for cleaning. Hinged Casement The single-pane hinged secondary glazing can be fitted to windows made of sash in any style such as casement and traditional box sash. Our hinged units are supplied with a keylock handle and are constructed with multi-point locking. This will ensure that the glazed panel is locked in place and pulls tightly against the frame, forming a sealing to reduce loss of heat. Hinged windows can be side-hung or top-hung, and they can also be double-glazed. Double-glazed windows provide better performance in terms of acoustics and are available in 43dB (for 47dB) and 51dB (for 51dB) or 47dB (for 49dB). Casement windows are able to open outwards and catch breezes from different angles. This is in contrast to a horizontal sash window, with movable sashes in the frame that slide horizontally. They can also be opened from the top and bottom to offer controlled ventilation. This is why they can help improve airflow and are a viable alternative to traditional sash windows. They are typically used in modern homes because they offer small “sightlines” and unobstructed views. They can also be incorporated into listed homes due to the fact that they do not require transoms or mullions. They can also be used in places that are difficult to reach since they are easily opened by turning the handle. The main drawback of this kind of window is that it can block large openings, and could limit the use of certain window treatments. They are also difficult to clean as they open outwards, and may require regular maintenance and servicing. Lift Out Windows Secondary glazing can be installed using a variety ways and the cost will differ depending on the thickness, type and the materials you select for your frame and panes. Upvc frames are the most expensive followed by aluminium, and then wooden frames. Specialised glass, along with any additional features like security or sound reduction may increase the cost of windows. The complexity of the installation will also affect the cost. The more complicated the installation will take longer and more labour will be required. This is especially true for heritage properties that have more complex sash window designs. Examining the condition of your existing windows is a good way to begin. The survey conducted by a skilled professional will give you a precise estimate of what the cost might be. Generally speaking, secondary glass will have a minimal impact on the overall look of your home. Modern FINEO double-glazing has thin and subtle frame lines. This allows you to improve thermal efficiency without sacrificing aesthetics. The horizontal sliding secondary glazing is popular due to its easy access to the 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 then lifting it vertically to a set point. This is ideal for windows that don't get opened often. It can be used to provide air conditioning access in bay windows. You can use them to open the middle sash of a traditional sash Bay Window to create a symmetrical appearance.