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Secondary Glazing For Sash Windows

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

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

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

Fixed Inserts

There are many different types of secondary glazing available for Sash windows. Each comes with its own set of advantages, from increased security to lower condensation. Which is the best choice for you?

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

However it's not always possible to install new double-glazed windows to your home particularly if you live in a listed structure or are subject to strict planning regulations which dictate what can and cannot be done to your exterior.

Secondary glazing is an excellent alternative in these situations. It can be set up quite easily. It's also a popular option for those looking to upgrade their home without the need to tear down the original windows in sash and replace them with modern ones.

There are a variety of different systems for secondary glazing on windows made of sash window locks. Each one can be adapted to fit into your existing frame. Proprietary systems usually have painted aluminium frames that are designed to fit into the depth of a staff bead on an existing sash window replacement window so that shutters and sills can be kept.

They can be fitted with a variety of mounting methods, including glazing clips and Velcro. They provide a more attractive alternative to screw-fixed units and are particularly suited to windows that do not need to be opened often. You can also choose a fixed lift-out device that can be easily removed and then reinstalled to open your windows.

Horizontal Sliders

Horizontal Sliders provide excellent thermal insulation and are the most sought-after solution to improve the performance of existing sash windows. They are also very discreet and ideal for historic buildings, conservation areas, and listed properties. They can be fitted in the majority of cases without the need for external access since they operate from inside.

They are easy to operate by hand and can be open wide or left partially open to allow for ventilation. They are effective in keeping out draughts, and also block harmful UV light. They can be used in combination with a flyscreen to ward off mosquitoes and other insects during summer months.

Trackglaze horizontal sliding systems give all the benefits of double glazing for your original sash window. It consists of PVC double sliding tracks that run across all four sides of the cavity, a simple bristle seal around each glass sheet and angle handles that can be pulled by fingers to serve as handles and lessen bowing. It is available in kits of either 1m or 2m lengths of track and angle which can be joined to create larger spans.

The acoustic benefits of second glazing are important and can improve noise reduction from outside, especially the airport, rail and road traffic. The use of laminated glass or toughened glasses further enhances the acoustic performances. Standard secondary glazing reduces outside noise to 52dB (Rw) and special glass, like Stadip Silence Laminated Acoustic Glass can deliver even more impressive levels of acoustic efficiency.

It can increase the efficiency of your house by keeping it warmer for longer. This will reduce the need for central heating. It's less expensive than replacing the original sash style double glazed windows window and can be installed without removing the frame.

Vertical Sliders

Secondary glazing is a cost-effective choice that is often more manageable than a complete window replacement. It is also suitable for Listed Buildings & Conservation Areas. It's an excellent way to modernize traditional sash windows in Suffolk & Essex while retaining their distinctive character.

Vertical Sliders were developed to be used in sash window applications where hinged panels of the regular kind would not be suitable. They feature two secondary sashes that are secured, one above the other, within an outer frame. They are supported by robust spring balances for ease of movement. The system can be purchased as a 'face-fixed' (installed to the inside of the window) for increased thermal performance or a 'reveal-fixed' version which comes with a glass to glass cavity inside the window reveal, for optimal sound quality.

They can be equipped with a variety stops and handles to meet the needs of the homeowner, propping open either the bottom or top pane for ventilation or fixed in an open position for additional security. They can be equipped with an insulating seal bristle to prevent draughts.

'Choices’ Imagine vertical slider secondary glass comes with the same authentic wood details you'd expect to see in a window covering from the past. It comes in a variety of colors that match your existing sash. It's nearly impossible to differentiate from the original sash windows, since features like sash horns and traditional joints are included in the design. It comes in a variety of sizes and can be fitted with glass up to 6.8mm for additional insulation against heat loss. The tilt-in option allows the individual sashes of the window to be hinged inwards on safety stays to facilitate cleaning.

Hinged Casement

Our single-pane hinged secondary glazing can be incorporated into windows made of sash in any style, including casement and traditional box sash. The hinged units we offer can be supplied with a keylock handle and are made with multi-point locking. This ensures that the glazed panel is locked in place and pulls tightly against the frame, creating a seal to minimize loss of heat. Hinged windows can be purchased as either top or side-hung and are also available as double-glazed. Our double-glazed windows provide enhanced audio-acoustic performance. They are available in 43dB, 47dB and 51dB.

Unlike horizontal sash windows, which have movable sashes that slide horizontally within the frame, casement windows can open outward and capture breezes from different angles. They can be opened both from the top and bottom for controlled airflow. They also improve airflow and offer a fantastic alternative to traditional sash windows.

They are commonly utilized in modern homes as they have small "sightlines" and unobstructed views. They can also be used in listed properties due to the fact that they do not require transoms or mullions. They can also be used in areas that are difficult to access since they can be opened by turning the handle.

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

Lift Out Windows

Secondary glazing can be installed in a variety of ways and the price will vary according to the thickness, type and materials you choose for your panes and frame. UPVC frames are the cheapest expensive, followed by aluminium and wooden 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 complicated the project is, the more time and labour will be required. This also applies to historic properties with more complex sash windows, which require specialized knowledge and expertise.

The best place to begin is by assessing the condition of your existing windows. Having them surveyed by an experienced professional will give you a precise estimate of what the price could be.

In general secondary glazing has little effect on the appearance of your home. Modern FINEO double-glazing is thin and subtle frame lines. This lets you improve thermal efficiency without sacrificing aesthetics.

The horizontal sliding secondary glazing option is popular due to its easy access to the sash window for cleaning or ventilation. These windows also come with a tilt feature which can be activated by releasing the catch and raising the secondary glazing panel vertically up to a certain degree. This is ideal for windows that aren't frequently opened. It can also be used to allow air conditioning access in bay windows. It is also possible to make use of them to open the middle sash of a traditional sash and case window repairs bay window to give a more symmetrical appearance.