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Secondary Glazing For Sash Windows

Many homeowners are unable to build new sash windows double-glazed windows to their homes, either because of financial constraints or because they live in listed buildings that restrict any exterior changes.

Secondary glazing is a great alternative for sash window and can be put in various ways.

It consists of an extra glass pane inside the window frame, which stops cold air from entering your home, while also offering insulation and noise reduction.

Fixed Inserts

There are many different styles of secondary glazing available for sash windows. Each style has each of its own benefits ranging from increased security to reduced condensation. Which is the best choice for you?

The principle behind secondary glazing is to incorporate an additional glass within the frame of your existing window. This adds an additional layer of insulation and noiseproofing your home, enhancing its energy efficiency.

However it's not always feasible to add double-glazed windows to your home particularly if you reside in a listed building or are subject to strict planning regulations which dictate what can and cannot be done to your exterior.

In these cases, secondary glazing is an excellent alternative that can be installed with relative ease. It's a popular choice for those looking to update their period 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 existing frame. Proprietary systems are usually constructed of painted aluminum frames that fit into the existing staff bead depth on the sash window. This lets shutters and sills be kept.

They can be installed with a variety of mounting methods that include glazing clips and Velcro. These types of units look more attractive than screw-fixed ones and are ideally suited to windows that do not need to be opened frequently. Alternatively, you can opt for a fixed lift out unit that can be lifted out and put back in its place with ease to allow your windows to be opened.

Horizontal Sliders

Horizontal Sliders provide excellent thermal insulation and are the most well-known solution to improve the performance of existing windows with sash. They are also discreet and ideal for historic properties 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 using a hand, and can be opened wide or left partially open to allow for ventilation. They are extremely effective in eliminating draughts and offer the added benefit of removing harmful UV light. In summer they can be utilized together with a flyscreen to keep out insects and mosquitoes.

Our Trackglaze horizontal sliding systems offer all the benefits of modern double glazing to your original Sash windows. It is comprised of PVC double sliding sash window locks track that runs across all four sides of cavity with a brush seal around each glass sheet and a finger pull angle handle to act 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 impact on noise reduction, especially 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, such as Stadip Silence Laminated Acoustic Glass, can achieve higher levels of acoustic performance.

It can improve the efficiency of your house by keeping it warm for longer. This can reduce the use of central heating. It is less expensive than replacing the original sash window and can be installed without removing the existing frame.

Vertical Sliders

Secondary glazing is a cost-effective option that is usually easier to manage than full window replacement. It is suitable for Listed Buildings & Conservation Areas. It's an excellent way to modernize traditional sash windows in Suffolk & Essex while retaining their originality.

Vertical Sliders were designed for use in sash windows where hinged panels of the regular kind are not suitable. They have two secondary sashes that are secured, one above the other, inside an outer frame and are supported by strong spring balances to allow for easy movement. The system is available as a face-fixed' (installed to the inside of the existing window) to improve thermal efficiency or a'reveal-fixed version that is fitted with a glass-to-glass cavity inside the window reveal, to ensure optimal acoustic performance.

They can be equipped with a variety of stops and handles to meet the needs of the homeowner by allowing the bottom or top pane for ventilation, or they can be placed in a closed position for added security. They can also be equipped with an insulating bristle seal to keep out draughts.

'Choices’ Imagine vertical slider secondary glass comes with all the authentic wood detailing you'd expect to find in a period window. It comes in a variety of colours that match your existing sash. It is almost impossible to distinguish from original sash windows, since details like sash horns and traditional butt joints are integrated into the design. It's available in a broad selection of sizes and will accept glass up to 6.8mm to add insulation to prevent loss of heat. A tilt-in option is also available that allows the individual sashes of the frame to hinge towards the back of safety stays to aid in cleaning.

Hinged Casement

The single-pane hinged secondary glazing can be fitted to sash windows of any style including traditional and casement bespoke sash windows. Our hinged units can be supplied with a keylock handle, and are manufactured with multi-point locking. This ensures that the glazed panel is locked securely in place and pulls tightly against the frame, creating a seal to minimize heat loss. Hinged windows are available as either top or side-hung and can also be constructed with double-glazed. Double-glazed windows are a great way to improve acoustic performance and are available in 43dB,47dB or 51dB.

Casement windows are able to open outwards and catch breezes from different angles. This is in contrast to a the horizontal sash windows repair window which has movable sashes within the frame, which slide horizontally. They can be opened from the top and bottom to allow controlled ventilation. They can therefore increase 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 incorporated into listed properties because they do not require mullions and transoms. They can also be used in areas that are difficult to access since they can be opened by turning the handle.

This kind of window could be a drawback since it can restrict the use of certain window coverings. They are also difficult to clean since they swing outward, and may require regular maintenance and servicing.

Lift Out Windows

Secondary glazing can be installed using a variety methods. The cost will vary depending on your preference of the materials such as thickness, thickness and type of glass. upvc sash windows are generally the least expensive followed by aluminium and finally wooden window frames. Specialized glass, in addition to any other features such as security or sound reduction may also increase prices.

Another factor that affects the cost is the complexity of the installation. The more complex the project will take longer and require more labor it will require. This is especially true for heritage properties with more complex designs for sash windows.

Examining the condition of your windows that are in use is a good place to begin. You can get an accurate estimate of the cost by having them inspected by professionals.

Generally speaking, secondary glazing will have minimal impact on the overall look of your home. Modern FINEO double-glazing is slim and distinct frame lines. This lets you achieve thermal efficiency without compromising aesthetics.

The horizontal sliding secondary glazing option is popular due to its easy access to the sash window for cleaning or ventilation. They also come with a tilt feature, which can be activated by releasing the catch and then lifting the secondary glazing panel vertically to a predetermined point. This is ideal for windows that don't get opened very often. It can be used to provide air conditioning access to bay windows. You can even use them to open the middle sash of the traditional sash bay windows to create a more symmetrical look.