Secondary Glazing For Sash Windows

Many homeowners are unable build new double-glazed windows to their homes due to financial constraints or because they live in listed buildings that restrict any exterior modifications.

Secondary glazing is a fantastic alternative to sash windows. It can be installed several ways.

It is made up of an additional glass pane inside the window frame that blocks cold air from getting into your home, while also offering insulation and noise reduction.

Fixed Inserts

If you're thinking about secondary glazing for your sash windows, there are many different styles to choose from. Each style offers its own set of benefits including increased security and reduced condensation. Which is the most effective choice for you?

The basic idea behind secondary glazing is to install an additional glass into your existing window frame. This adds a layer of insulation and noiseproofing your home, increasing its energy efficiency.

It's not always feasible to install double-glazed windows particularly if you live in an listed property or you are governed by strict planning regulations that dictate what can and cannot be done with your exterior.

Secondary glazing is an excellent alternative in these instances. It can be put in fairly easily. It's a popular choice for those who want to update their period home without having to replace the original sash window an updated version.

There are a variety of different options available for secondary glazing sash windows - Recommended Internet page,, each of which is configurable to suit your existing frame. Proprietary systems usually have painted aluminium frames that are designed to fit within the depth of a staff bead an existing sash window which means that sills and shutters can be kept.

These can be fitted using a variety of methods for installation, including glazing clips or Velcro. These are more appealing than screw-fixed units and are ideally suited to windows that don't need to be opened often. You can also opt for a fixed lift-out unit that can be easily lifted out and then reinstalled to open your windows.

Horizontal Sliders

Horizontal sliders are the most sought-after way to improve existing windows with sash. They are also extremely discreet and are ideal for historic structures, conservation areas and listed properties. They can be fitted in the majority of cases without the need for access from outside since they operate from inside.

They are easy to operate with a hand and can be open wide or left partially open to allow for ventilation. They are very effective at stopping draughts and also offer the added benefit of removing harmful UV light. In summer they can be paired together with a flyscreen to keep insects out and mosquitoes.

Trackglaze horizontal sliding systems provide all the advantages of double glazing for your traditional sash window. It comprises of pvc sash windows double sliding tracks on all four sides of the cavity with a simple bristle seal around each glass sheet and finger pull angle handles to serve as handles and lessen bowing. It comes in kits of 1m or 2m track and angle that can be stacked together to create bigger spans.

Secondary glazing can have a significant effect on noise reduction, especially for rail, road and airport traffic. The use of laminated glass or toughened glasses enhances the acoustic performance. Secondary glazing is a standard feature that can reduce outside noise by 52dB(Rw) and specialist glass like Stadip Silence Laminated Acoustic Glass can achieve even higher levels of acoustic performances.

It can boost the efficiency of your home by keeping it warmer for longer, and reducing dependence on central heating. It's much less expensive than replacing your sash window locks with key windows and can be installed without the need to remove the window or door frame.

Vertical Sliders

Secondary glazing is a cost-effective option which is often more manageable than a complete window replacement and is perfectly suitable for Listed Buildings & Conservation Areas. It's a great option to replace sash windows in Suffolk & Essex with modern insulation benefits, while maintaining the character of older homes.

Vertical Sliders are specially designed for sash windows where regular hinged panels aren't appropriate. The system has two secondary sashes, which are secured one above the other within an outer frame. They are supported by spring balances to allow for ease of movement. The system can be installed on the inside of an existing window for more efficient thermal performance, or it can be equipped with a cavity between the glass and the frame for optimum acoustic properties.

They can be equipped with a variety handles and stop strips to meet the needs of the homeowner, propping open either the top or bottom pane to let in air, or they can be placed in the closed position to provide security. They can also be fitted with an insulating bristle sealing device to stop draughts.

The 'Choices' vertical slider secondary glass features the same authentic wood details you'd expect in a window covering from the past. It comes in a range of colors that will match your existing sash. It is almost impossible to distinguish from original sash windows, since details such as sash horns and traditional butt joints are incorporated into the design. It is available in many sizes and can take glass up to 6.8mm for additional insulation against loss of heat. A tilt-in option is also available allowing the individual sashes of the frame to hinge towards the back of safety stays to aid in cleaning.

Hinged Casement

Our single-pane hinged secondary glazing can be incorporated into windows in sash of any design including casement and traditional box sash. Our hinged units are supplied with a keylock handle, and are made with multi-point locking. This will ensure that the glazed panel is securely secured and is pulled tightly against the frame, forming a sealing to minimise heat loss. Hinged windows are available either side or top hung and can also be constructed with double-glazed. Double-glazed windows offer enhanced audio-acoustic performance. They are available in 43dB, 47dB and 51dB.

Casement windows are able to open outwards and catch breezes at various angles. This is in contrast to a the horizontal sash window which has movable sashes within the frame, which slide horizontally. They can also be opened from both the top and bottom to provide controlled airflow. They are therefore able to improve airflow, and offer a fantastic alternative to traditional sash windows.

They are used in modern homes due to their narrow "sightlines" which allow for clear views, however they can also be put into listed properties because they don't require transoms and mullions. They're also a great option for areas that are difficult to access since they can be opened by the flick of the handle.

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

Lift Out Windows

Secondary glazing can be put in place using a variety of ways. The cost of installation will vary according to your choice of materials such as thickness, thickness and kind of glass. UPVC windows are typically the most affordable followed by aluminium and then wooden window frames. Specialized glass may also increase the cost and include additional features like security or noise reduction.

Another aspect that can affect the cost is the complexity of the installation. The more complex the project will take longer and require more labor it will require. This can also apply to heritage properties with more intricate sash windows that require specialist knowledge and expertise.

The best place to begin is by assessing the condition of your current windows. Having them surveyed by a skilled professional will give you a precise estimate of what the price might be.

Generally speaking, secondary glazing will have little impact on the overall appearance of your home. This is thanks to the fact that modern FINEO double-glazing has slim and discreet frame lines, so you can achieve thermal efficiency without compromising on aesthetics.

A popular choice of secondary glazing is horizontal sliding, which provides an easy access to your existing sash windows to clean or ventilation. These windows also come with a tilt function, that can be activated by opening the catch and then lifting your secondary glazing panel vertically to a specified 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.