Secondary Glazing For Sash Windows

Many homeowners aren't able to install double glazing to their home, either due to financial constraints or due to the fact that the building is listed and any modifications to the exterior are not permitted.

Secondary glazing for sash windows is a good alternative that can be put in using a variety of methods.

This is a double-paned glass that can be placed inside your existing window frame. It is insulated and provides noise reduction, while stopping cold air from entering your home.

Fixed Inserts

If you're considering secondary glazing for your sash windows, there are many different styles to pick from. Each style has each of its own benefits ranging from increased security to reduced condensation. Which one is the best option for you?

The principle behind secondary glazing is the installation of an additional pane of glass within the window frame. This creates an extra layer of soundproofing and insulation which can significantly increase the efficiency of your home's energy use.

However it's not always feasible to add new double-glazed windows for your home particularly if you reside in a listed structure or are subject to strict planning regulations that define what can and can't be done to your exterior.

In these cases secondary glazing is a great alternative that can be put in easily. It's also a popular choice for those looking to upgrade their old home without having to tear down the original sash windows and replace them with modern ones.

There are many different systems available for secondary glazing sash windows, each one of that can be adapted to fit your frame. Proprietary systems typically have painted aluminium frames which are made to fit within the depth of a staff bead an existing sash window meaning that shutters and sills are still able to be used.

These can be fitted with different installation methods such as glazing clips or Velcro. These are more appealing than screw-fixed units and are best suited for windows that do not require to be opened often. You can also opt for a fixed lift-out unit that can be lifted out and then put back in its place with ease to allow windows to be opened.

Horizontal Sliders

Horizontal sliders are the most popular method to enhance the appearance of your windows. They are also quiet and ideal for historic properties, conservation areas & listed properties. They can be installed 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 very effective in stopping draughts and also have the added benefit of blocking harmful UV light. They can be used in combination with a flyscreen to keep out mosquitoes and other insects during summer months.

Our Trackglaze horizontal sliding systems offer all the benefits of modern double glazing to your original Sash windows. It comprises of PVC double sliding tracks that run across all four sides of the cavity with the simple bristle seal that is placed around each glass sheet, and finger pull angle handles that serve as handles and lessen bowing. It comes in kits of 1m or 2m track and angle that can be put together to create bigger spans.

Secondary glazing can have a significant effect on noise reduction, especially for rail, road 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 provide higher levels of acoustic performance.

It can boost the energy efficiency of your home by keeping your house warmer for longer and decreasing dependence on central heating. It's less expensive than replacing the original sash window, and can be installed without the need to remove the existing frame.

Vertical Sliders

Secondary glazing is a cost-effective option that is usually easier to manage than full window replacement. It's also suitable for Listed Buildings & Conservation Areas. It's an ideal solution to replace windows with sash window locks with key in Suffolk & Essex with modern insulation benefits while keeping the traditional look of older homes.

Vertical Sliders are specially designed for windows with sash openings where standard hinged panels don't work. The system features two secondary sashes that are fixed one above the other inside an outer frame. They are supported by spring balances, allowing for ease of movement. The system is available as a 'face-fixed' (installed to the inside of the existing window) for improved thermal performance or a 'reveal-fixed version that comes with a glass to glass cavity, within the original window reveal, for optimal acoustic performance.

You can choose from a variety of handles and stop-strips to suit your preferences. They can be fixed in the closed position to provide additional security, or propped open to allow ventilation on the top or bottom glass. They can be fitted with an insulating seal bristle to prevent draughts.

Imagine vertical sliders in 'Choices' secondary glazing features all the authentic timber detailing you'd expect from an antique window treatment. It's also available in a variety of colors to match your existing sash. It's almost impossible to differentiate from the original sash window with features like sash horns and traditional butt joints incorporated into the design. It is available in many sizes and can accept glass up to 6.8mm for additional insulation against loss of heat. A tilt-in option is available to allow the individual sashes to hinge towards the back of safety stays for easier cleaning.

Hinged casement window sash

Our single-pane hinged secondary glass can be fitted to windows in sash of any design including traditional and casement sash. Our hinged units can be equipped with a keylock handle and are made with multi-point locking. This will ensure 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 either top or side-hung and can also be constructed as double-glazed. Double-glazed windows offer enhanced audio-acoustic performance. They are available in 43dB,47dB or 51dB.

Casement windows are able to open to the outside and catch breezes from different angles. This is in contrast to a the 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 airflow. They can therefore improve airflow and offer a fantastic alternative to traditional sash windows.

They are commonly used in modern homes due to their small "sightlines" that allow for an unobstructed view. However, they can also be put in listed buildings since they don't require mullions and transoms. They can also be utilized in areas that are difficult to access since they can be opened simply by turning a handle.

The main drawback of this kind of window is that it could block large openings and limit the use of certain window treatments. They are difficult to clean, as they swing outwards. They may also require regular maintenance and servicing.

Lift Out Windows

Secondary glazing can be put in using a variety ways and the price will vary according to the thickness, type and materials you choose for your panes and frame. UPVC windows are typically the most affordable followed by aluminium, and then wooden window frames. Specialized glass, in addition to any extra features such as security or sound reduction can also increase prices.

Another factor that will influence the cost is the complexity of the installation. The more complex the project, the more time and labor will be required. This can also apply to older homes with more intricate sash double glazing windows that require specialist knowledge and expertise.

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

In general, secondary glazing will have minimal impact on the overall 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 sash window to clean or for ventilation. These are also available with a tilt feature which is activated by unlocking the catch and raising your secondary glazing panel vertically up to a certain level. This is perfect for windows that aren't frequently opened. It can also be used to allow air conditioning access in bay windows. They can be used to open the middle sash of a traditional sash Bay Window to create a symmetrical appearance.