Secondary Glazing For Sash Windows
Many homeowners are unable add double glazing to their homes, either due to financial constraints or due to the fact that the building is listed and modifications to the exterior are forbidden.
Secondary glazing is an excellent alternative to sash windows and can be put in various ways.
This is a double-paned, insulated glass that fits into the window frame you already have. It offers insulation and noise reduction, while stopping cold air from entering your home.
Fixed Inserts
There are a variety of styles of secondary glazing that are available for sash window repairs windows. Each has its own set of benefits, from improved security to reduced condensation. But which is the best choice for you?
The basic premise of secondary glazing is the installation of an additional pane of glass within your window frame. This provides an additional layer of insulation and noiseproofing your home, improving its energy efficiency.
However it's not always possible to add 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.
In these instances, secondary glazing is an excellent alternative that can be put in with relative ease. It's also a popular option for people looking to update their home without the need to tear down the original sash windows and replace them with modern ones.
There are a variety of different systems available for secondary glazing sash windows, each of can be customized to fit your frame. The proprietary systems are typically constructed of painted aluminum frames that fit the existing bead depth on windows with sash. This allows shutters and sills to remain.
They can be equipped with a variety of installation methods, like glazing clips or Velcro. These are more appealing than screw-fixed ones and are ideal for windows that do not require to be opened frequently. You can also choose a fixed lift-out unit that can be easily removed and reinstalled to allow you to open your windows.
Horizontal Sliders
Horizontal sliders are the most popular way to improve existing windows. They are also extremely discreet and are ideal for historic buildings, conservation areas & listed properties. In the majority of cases, they can be installed without having access to the outside since they operate by the inside.
They can be operated by hand, and they can be left open or partially opened to allow ventilation. They are effective at preventing draughts, and they also block harmful UV light. They can be used in combination 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 original Sash window. It is comprised of PVC double sliding tracks on all four sides of the cavity and a simple bristle seal around each glass sheet, and finger pull angle handles to act as a handle and lessen bowing. It is available in kits comprising either 1m or 2m lengths of track and angle which can be joined to make larger spans.
The acoustic benefits of secondary glazing are significant and it can significantly improve noise reduction from outside especially railway, road and airport traffic. The addition of laminated or toughened glass further enhances the acoustic quality. Secondary glazing that is standard reduces outside noise to 52dB (Rw) and special 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 less expensive than replacing your original sash secondary glazing windows, and can be installed almost everywhere without the need to take out the window or door frame.
Vertical Sliders
Secondary glazing is an affordable option that is typically easier to manage than full window replacement. It is suitable for Listed Buildings & Conservation Areas. It's a great way to improve the look of traditional sash window renovation windows in Suffolk & Essex while retaining their distinctive character.
Vertical Sliders were designed to be used in sash window applications in which hinged panels from the standard range are not suitable. They feature two secondary sashes which are secured with one above the other, within an outer frame and are supported by strong spring balances that allow for effortless movement. The system can be purchased as a 'face-fixed' (installed to the inside of the window) for improved thermal performance, or a'reveal fixed' version which comes with a glass to glass cavity inside the window reveal, for optimum acoustic performance.
They can be equipped with a variety of handles and stop strips to meet the needs of the homeowner, propping open either the bottom or top pane to allow for ventilation or placed in the closed position to provide security. They can also be equipped with an insulating bristle sealing device to keep out drafts.
Imagine vertical sliders in 'Choices' secondary glazing has all the timber-like details you'd expect from an antique window treatment and comes in an array of colours to match your existing sash. It is almost impossible to distinguish from the original sash windows, since features like sash horns and traditional butt joints are integrated into the design. It is available in many sizes and can accept glass up to 6.8mm to add insulation to heat loss. The tilt-in option permits the sashes of each window to be hinged inwards to make it easier for cleaning.
Hinged Casement
Our single-pane hinged secondary glazing can be incorporated into sash windows of any style, including casement and traditional box sash. Our hinged units are equipped with a keylock handle and are manufactured with multi-point locking. This will ensure that the glazed panel is securely locked in place and is pulled tightly to the outer frame, forming a seal to reduce heat loss. Hinged windows can be side-hung or top-hung, and they can also be double-glazed. Our double-glazed windows provide enhanced audio-acoustic performance. They are available in 43dB, 47dB or 51dB.
Unlike horizontal sash windows, with movable sashes that slide horizontally within the frame casement windows are able to open outward and capture breezes from various angles. They can also be opened from the top and bottom to offer controlled airflow. They also improve airflow, and offer a fantastic alternative to traditional sash window.
They are popular in modern homes due to their small "sightlines" that allow for an unobstructed view. However, they can also be incorporated into listed properties because they do not require mullions and transoms. They're also a great choice for hard-to-reach areas because they can be opened by the flick of a handle.
This kind of window can be a problem as it could limit the use of certain window treatments. They are difficult to clean as they open outwards. They also may require regular maintenance and care.
Lift Out Windows
Secondary glazing can be put in place using a variety of ways. The cost will differ depending on your preference of the materials thickness, thickness, and the type of glass. uPVC windows are usually the least expensive followed by aluminium and then wooden window frames. Specialised glass can also increase the cost and also any extra features, such as security or sound reduction.
Another factor that affects the cost is the complexity of the installation. The more complex the project, the longer and more labor-intensive it will be. This also applies to heritage properties with more complex sash windows that require expertise and knowledge.
Assessing the condition of windows in use is a good place to begin. A survey by a skilled professional will give you a precise estimate of what the cost could be.
In general, secondary glazing has a minimal effect on the appearance of your home. Modern FINEO double-glazing is thin and subtle frame lines. This lets you achieve thermal efficiency without compromising aesthetics.
The horizontal sliding secondary glazing is popular due to its easy access to the existing sash window for cleaning or ventilation. These windows also come with a tilt feature which can be activated by releasing the catch and raising your secondary glazing panel vertically to a specified point. This is ideal for windows that aren't opened often. It can also be used to permit air conditioning access in bay windows. You can even use them to open the middle sash on a traditional sash window renovation bay window to create a more symmetrical look.