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Secondary Glazing For Sash Windows

Many homeowners are unable install new double glazing on their homes due to financial limitations or because they reside in listed buildings that prohibit any exterior changes.

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

It's an additional glass pane inside the window frame, which blocks cold air from getting into your home, while also offering insulation and noise reduction.

Fixed Inserts

If you're thinking of secondary glazing for your sash windows there are a variety of styles to choose from. Each style has each of its own benefits ranging from increased security to reduced condensation. Which is the most effective choice for you?

The principle behind secondary glazing is to install an additional pane of glass within the window frame. This creates an extra layer of soundproofing and insulation which can dramatically improve the energy efficiency of your home.

It's not always feasible to install double-glazed windows particularly if your house is classified as a historic property or you are bound by strict planning regulations that dictate what can and cannot be done to your exterior.

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

There are a variety of different options for secondary glazing sash windows, each one of which is configurable to suit the frame you have. Proprietary systems are usually comprised of painted aluminum frames that fit into the existing depth of the staff bead on windows with sash. This lets shutters and sills remain.

These can be fitted with a variety of installation methods, including glazing clips or Velcro. They provide a more attractive solution than screw-fixed units, and are particularly suited to windows that do not need to be opened frequently. Alternately, you can choose 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 option for enhancing existing sash windows. They are also very discreet and are ideal for historic buildings, conservation areas, and listed properties. In most instances, they can be installed without external access because they operate from inside.

They are easy to operate with a hand and can be opened wide or left partially open to allow for ventilation. They are effective in preventing draughts, and they also filter harmful UV light. They can be used in conjunction with a flyscreen to keep out mosquitoes and other insects during the summer months.

Our Trackglaze horizontal sliding system provides all the benefits of modern double glazing to your traditional sash windows. It is comprised of PVC double sliding track on all four sides of cavity, a simple brush seal around each glass sheet and a finger pull angle handle to act as a hand and reduce bowing. It is available in kits of 1m or 2m lengths of track and an angle, which can be joined to make larger spans.

The acoustic benefits of second glazing are extremely significant and can dramatically reduce noise from outside, especially road, rail & airport traffic. The inclusion of laminated glass or toughened glasses improves the acoustic performance. Standard secondary glazing reduces outside noise to 52dB (Rw) and special glass, like Stadip Silence Laminated Acoustic Glass can provide even higher levels of acoustic performance.

It can boost the efficiency of your home by keeping it warm for longer. This will decrease the use of central heating. It is less expensive than replacing your sash windows, and can be installed in most cases without the need to remove the existing window or door frame.

Vertical Sliders

Secondary glazing is a cost effective option that is usually more manageable than full window replacement. It is also suitable for Listed Buildings & Conservation Areas. It's an ideal solution for upgrading traditional sash windows in Suffolk & Essex with modern insulation benefits while retaining the character of older homes.

Vertical Sliders are specifically designed for sash windows where regular hinged panels don't work. They come with two secondary sashes which are secured with one above the other, within an outer frame and are supported by robust spring balances that allow for effortless movement. The system is available as a face-fixed' (installed to the inside of the window) to improve thermal performance, or a'reveal fixed' version which has a glass to glass cavity inside the window reveal, for optimum sound quality.

They can be fitted with a variety of stops and handles to accommodate the preferences of the homeowner, propping open either the top or bottom pane to allow for ventilation or placed in a closed position for added security. They can also be fitted with an insulating bristle seal that can keep out draughts.

'Choices’ Imagine vertical slider secondary glass features the same authentic wood details you'd expect to see in a period window treatment. It comes in a variety of colors that match your existing sash. It's nearly impossible to differentiate from the original sash windows, since details like sash horns as well as traditional butt joints are incorporated into the design. It's available in a wide range of sizes and accepts glass up to 6.8mm to provide additional insulation against heat loss. The tilt-in feature allows the individual sashes of the window to be hinged inwards to make it easier for cleaning.

Hinged Casement

Our single-pane hinged secondary glazing can be incorporated into sash window repairs windows of any style, including traditional and casement window sash sash. Our hinged units are constructed with secure multi-point locking and can be supplied with keys and a handle for the lock. This combination ensures the glazed panel is held securely in place and pulls tightly against the frame, creating a seal to reduce heat loss. Hinged windows can be side-hung or top-hung, and they can also be double-glazed. Double-glazed windows provide better acoustic performances and are available in 43dB (for 47dB) or 51dB (for 51dB) or 47dB (for 49dB).

Unlike horizontal sash windows, with movable sashes that slide horizontally within the frame casement windows can be opened outwards and catch breezes from a variety of angles. They can also be opened from the top and bottom to provide controlled airflow. This is why they can improve airflow and provide an effective alternative to traditional sash windows.

They are commonly used in modern homes due to their narrow "sightlines" that allow for clear views, however they can also be put in listed buildings since they don't require mullions and transoms. They're also a great choice for hard-to-reach areas since they can be opened with the turn of the handle.

This kind of window could be a drawback since it could limit the use of certain window coverings. They can be difficult to clean since they open outward. They also may require regular maintenance and service.

Lift Out Windows

Secondary glazing can be put in place using a variety of ways. The cost will vary depending on your selection of materials such as thickness, thickness and kind of glass. Upvc frames are the most expensive followed by aluminium, and wooden frames. Specialised glass can also increase the price and include extra features, such as sound reduction or security.

Another factor that will influence the cost is the complexity of the installation. The more complicated the installation is, the more time and labor will be required. This also applies to heritage properties with more intricate bespoke sash windows windows that require specialized knowledge and expertise.

Analyzing the condition of windows in use is a good way to start. You can get an accurate estimate of the cost by having them checked by professionals.

In general, secondary glazing will have minimal impact on the overall look of your home. Modern FINEO double-glazing features thin and subtle frame lines. This allows you to get the most efficient heat without compromising aesthetics.

A very popular choice for secondary glazing is horizontal sliding, which allows easy access to your existing sash windows for cleaning or ventilation. These are also available with a tilt function, that can be activated by opening the catch and then lifting the secondary glazing panel vertically to a predetermined level. This is ideal for windows that aren't opened very often. It can also be used to permit air conditioning access to bay windows. You can also use them to open up the middle sash on a traditional sash bay window to give a more symmetrical appearance.