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Secondary Glazing For Sash Windows

Many homeowners aren't able to install double glazing to their homes because of financial limitations or because the building is listed and any exterior modifications are prohibited.

Secondary glazing is a fantastic alternative to sash window refurbishment windows. It can be installed in a variety of ways.

This product is a double-paned, insulated glass that can be placed inside the frame of your window. It offers insulation and noise reduction, as well as blocking cold air from entering your home.

Fixed Inserts

There are a variety of styles of secondary glazing for sash windows. Each has its own set of benefits, from increased security to lower condensation. Which is the best choice for you?

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

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

In these situations, secondary glazing is an excellent alternative that can be installed with ease. It's also a popular option for people looking to update their period property without having to tear down the original sash windows and replace them with contemporary ones.

There are a variety of different options available for secondary glazing sash windows, each of which is configurable to suit your existing frame. The proprietary systems typically feature painted aluminium frames that are designed to fit within the depth of a staff bead on an existing sash window, meaning that shutters and sills can be kept.

They can be fitted with a variety of installation methods, including glazing clips or Velcro. They offer a more stylish solution than screw-fixed units, and are especially suited for windows that do not need to be opened frequently. You can also select a fixed lift-out unit that can be easily lifted out and then reinstalled to open your windows.

Horizontal Sliders

Horizontal Sliders provide excellent thermal insulation and are the most well-known option for enhancing existing windows with sash. They are also discrete and ideal for historic properties, conservation areas & listed property. In the majority of instances, they can be installed without having access to the outside since they operate from the inside.

They are easy to operate by hand and can be open wide or left partially open for ventilation. They are effective at preventing draughts, and they also filter harmful UV light. They can be combined with an insect screen to deter mosquitoes and other insects during summer months.

Trackglaze horizontal sliding systems provide all the benefits of double glazing for your original window sash. It is comprised of PVC double sliding sash windows track that runs across all four sides of the cavity and a simple brush seal around each glass sheet and 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 angle which can be butted together to create larger spans.

Secondary glazing can have a significant effect on noise reduction, specifically for rail, road and airport traffic. The addition of laminated or toughened glass can further improve acoustic performance. Secondary glazing that is standard reduces outside noise to 52dB (Rw) and special glass, like Stadip Silence Laminated Acoustic Glass can provide higher levels of acoustic efficiency.

It can increase the efficiency of your house by keeping it warm for longer. This will decrease the need for central heating. It is less expensive than replacing your sash windows and is installed almost everywhere without the need to remove the existing window or door frame.

Vertical Sliders

Secondary glazing is a cost-effective alternative that is usually more manageable than full window replacement sash windows. It's also suitable for Listed Buildings & Conservation Areas. It's the ideal option to replace windows with sash in Suffolk & Essex with modern insulation benefits, while maintaining the charm of older homes.

Vertical Sliders are specifically designed for sash windows where regular hinged panels aren't appropriate. They have two secondary sashes that are secured with one over the other, within an outer frame. They are supported by robust spring balances for ease of movement. The system is available as a face-fixed' (installed to the inside of the existing window) for increased thermal performance or a 'reveal-fixed' version which is fitted with a glass to glass cavity inside the window reveal, for optimal sound quality.

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

'Choices’ Imagine vertical slider secondary glass features the same authentic wood details you'd expect to see in a period window treatment. It is available in a variety of colors that are compatible with your sash. It's difficult to differentiate from the original sash window with features like sash horns and traditional butt joints being incorporated into the design. It comes in a variety of sizes and can accept glass up to 6.8mm to add insulation to loss of heat. The tilt-in feature allows the sashes of each window to be hinged inwards to make it easier for cleaning.

Hinged Casement

Our single-pane secondary glass can be fitted on sash windows in any style, including traditional box sash window restoration and casement. The hinged units we offer are made with a secure multi-point locking system and can be supplied with a key lock handle. This will ensure that the glass panel is secured 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 made by double-glazing. Double-glazed windows provide better sound insulation and are available in 43dB (for 47dB) and 51dB (for 51dB) or 47dB (for 49dB).

Casement windows are able open outwards and catch breezes from different angles. This is different from a the horizontal sash window locks window with movable sashes in the frame that move horizontally. They can be opened both from the top and bottom for controlled ventilation. For this reason, they can increase airflow and offer an effective alternative to traditional windows made of sash.

They are commonly utilized in modern homes as they have small "sightlines" and unobstructed views. However, they can also be fitted into listed homes because they do not require transoms or mullions. They can also be used in hard-to-reach places as they can be opened simply by turning a handle.

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

Lift Out Windows

Secondary glazing can be set up in a variety of ways and the price will vary according to the thickness, type and materials you select for your frames and panes. Upvc frames are the most expensive followed by aluminium, and then wooden frames. Specialized glass may also increase the cost and also any additional features like sound reduction or security.

Another factor that affects the cost is the complexity of the installation. The more complicated the installation is, the more time and labor it will require. This is especially true for heritage properties that have more complex design of sash windows.

Analyzing the condition of windows in use is a good place to begin. A survey by a skilled professional will give you a precise estimate of what the cost could be.

In general secondary glazing can have little effect on the appearance of your home. This is due to the fact that modern FINEO double-glazing has sleek and subtle frame lines, which means you can achieve thermal efficiency without compromising on aesthetics.

A very popular choice for secondary glazing is horizontal sliding, which provides easy access to your existing sash windows to clean or ventilation. It is also possible to get them with a tilt function, which is activated by unlocking the catch on your secondary glazing panel and lifting it vertically to a preset point. This is ideal for windows that aren't opened very often. It can be used to provide air conditioning access in bay windows. You can even make use of them to open the middle sash on a traditional sash bay window to give a more symmetrical appearance.