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Secondary Glazing For Sash Windows

Many homeowners are unable add double glazing to their house, either due to financial constraints or due to the fact that the building is listed and any modifications to the exterior are forbidden.

Secondary glazing for windows with sash is a great alternative and can be installed using a variety of methods.

It is made up of an additional pane of glass inside the existing window frame which blocks cold air from entering your home, as well as offering insulation and noise reduction.

Fixed Inserts

If you're considering secondary glazing for your sash windows there are a variety of styles you can pick from. Each offers a unique set of benefits, from increased security to lower condensation. Which is the best choice for you?

The basic idea behind secondary glazing is to install an additional glass within the frame of your existing window. This adds an additional layer of soundproofing and insulation which can dramatically increase the efficiency of your home's energy use.

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

In these cases, secondary glazing is a great alternative that can be installed easily. It's also a popular option for people looking to update their home without the need to tear down the original windows in sash and replace them with new ones.

There are a variety of different options for secondary glazing sash windows, each of that can be adapted to fit your frame. Proprietary systems are usually made of painted aluminum frames that fit into the existing bead depth on the sash window. This allows shutters and sills to remain.

They can be equipped with different installation methods such as glazing clips or Velcro. These offer a more aesthetic solution to screw-fixed units and are ideally suited to windows that do not need to be opened frequently. You can also opt for a fixed lift-out unit that can be lifted out and then put back in place with relative ease to allow your windows to be opened.

Horizontal Sliders

Horizontal sliders are the most sought-after way to improve existing windows. They are also very discrete and are ideal for historic buildings, conservation areas & listed properties. In the majority of cases, they are installed without access from outside because they operate from the inside.

They are simple to operate with a hand and can be open wide or left partially open for ventilation. They are effective at preventing draughts, and they also block harmful UV light. In the summer they can be paired with a flyscreen in order to keep out insects and mosquitoes.

Trackglaze horizontal sliding systems give all the advantages of double glazing for your original Sash window. It consists of pvc sash windows double sliding track that runs across all four sides of cavity with a brush seal around each sheet of glass and a finger pull angle handle to function as a hand, reducing bowing. It is available in kits of 1m or 2m lengths of track and an angle, which can be butted together to make larger spans.

Secondary glazing can have a significant effect on noise reduction, specifically for road, rail and airport traffic. The use of laminated glass or toughened glasses enhances the acoustic performance. Secondary glazing that is standard can reduce outside noise to 52dB(Rw) and specialist glass such as Stadip Silence Laminated Acoustic Glass can provide even greater levels of acoustic performance.

It can boost the energy efficiency of your home by keeping it warmer longer. This can reduce the need for central heating. It is less expensive than replacing the original sash window, and can be installed without removing the 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 improve the look of traditional sash style double glazed windows windows in Suffolk & Essex while retaining their character.

Vertical Sliders were specifically designed to be used in sash window applications where hinged panels of the regular kind aren't suitable. They come with two secondary sashes which are secured to one sash over the other, within an outer frame. They are supported by strong spring balances for ease of movement. The system can be installed on the inside of a window to provide greater thermal efficiency, or it can be fitted with a cavity between the glass and the frame to ensure the best acoustic performance.

You can pick from a range of stop-strips and handles to suit your preferences. They can be fixed in the closed position for additional security or propped open for ventilation on the glass's top or bottom. They can also be fitted with an insulating bristle seal to prevent drafts.

Imagine vertical sliders in 'Choices' secondary glazing has the same authentic wood detailing you'd expect from a vintage window treatment. It's available in an array of colours to match your existing sash window replacement. It's nearly impossible to differentiate from the original sash windows, as details such as sash horns and traditional joints are integrated into the design. It comes in a variety of sizes and can take glass up to 6.8mm to provide additional insulation against loss of heat. A tilt-in option is available to allow the individual sashes of the frame to hinge into the safety stays to aid in cleaning.

Hinged Casement

The single-pane hinged secondary glazing can be fitted to windows made of sash in any style including traditional and casement sash. Our hinged units can be supplied with a keylock handle and are constructed with multi-point locking. This will ensure that the glass panel is securely locked in place and is pulled tightly to the frame, creating a seal to minimise loss of heat. Hinged windows can be side-hung or top-hung, and they can also be double-glazed. Our double-glazed windows provide enhanced sound insulation and are available in 43dB, 47dB and 51dB.

Unlike horizontal sash windows, which have movable sashes that slide horizontally within the frame, casement windows are able to open outwards and catch breezes from various angles. They can be opened from the top and bottom to allow controlled ventilation. They can therefore improve airflow, and are a great alternative to traditional sash window.

They are commonly utilized in modern homes as they offer a few "sightlines" and unobstructed views. They can also be used in listed homes due to the fact that they do not require transoms or mullions. They're also a great choice for hard-to-reach areas because they can be opened by the turn of a handle.

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

Lift Out Windows

Secondary glazing can be put in place using a variety methods. The cost will differ depending on your choice of materials such as thickness, thickness and type of glass. uPVC windows are usually the least expensive followed by aluminium, and finally wooden double glazed sash windows window frames. Specialized glass can also add to the cost, as well as any extra features, such as security or noise reduction.

Another factor that will influence the cost is the complexity of the installation. The more complicated the installation, the longer and more labor it will require. This is especially true for heritage properties with more complex sash window designs.

Analyzing the condition of existing windows is a good place to start. The survey conducted by a skilled professional will give you an accurate estimate of what the price could be.

In general secondary glazing can have little effect on the appearance of your home. Modern FINEO double-glazing has thin and subtle frame lines. This lets you get the most efficient heat without compromising aesthetics.

A popular option for secondary glazing is horizontal sliding, which allows easy access to existing sash windows to clean or ventilation. These are also available with a tilt feature, which can be activated by releasing the catch and lifting your secondary glazing panel vertically to a predetermined level. This is great for windows that aren't used often and is a great way to facilitate access for air conditioning in bay windows. It is also possible to use them to open the middle sash of the traditional sash bay windows to give a more symmetrical appearance.